Egg - Egg size after water-hardening



Species Primary Data Secondary Data References
Anguilla anguilla 2.3-2.9 [Swollen eggs] 2.6 mm Deelder, 1970
Anguilla anguilla Eel eggs during further development will swell to diameters of 2.3 to 2.9 mm 2.3 mm Boetius and Boetius, 1980
Anguilla anguilla Swelling of the eggs completes after 1.5 hour, the diameter of swollen eggs is 1.1-1.2 mm 1.15 mm Prokhorchik, 1988
Anguilla anguilla About 2 mm after fertilization 2.0 mm Bruslé and Quignard, 2001
Alosa alosa 2.5-4.5 3.5 mm Taverny, 2000
Alosa alosa 1.5-2 [Sometimes up to 4.4 ?] 1.75 mm Bruslé and Quignard, 2001
Alosa alosa 2.5-4.5 3.5 mm Maitland and Hatton-Ellis, 2000
Alosa fallax 2-4.6 3.3 mm Taverny, 2000
Alosa fallax 1.8-2.4 2.1 mm Bruslé and Quignard, 2001
Alosa fallax 1.5-3.5 2.5 mm Maitland and Hatton-Ellis, 2000
Alosa fallax 1.7-4.5 3.1 mm Aprahamian, 2001
Alosa fallax Relatively large (1.7-4.5 mm) with a wide perivitelline space 3.1 mm Esteves and Andrade, 2008
Alosa sapidissima 2.5-3.5 [Fertilized eggs] 3.0 mm Scott and Crossman, 1973
Alosa sapidissima 2.5-3.5 3.0 mm Mellinger, 2002
Alosa sapidissima 2.5-3.8 3.15 mm Internet, 2005
Alosa sapidissima 2.5-3.8 [Min-max] 3.15 mm Fishbase, 2006
Alosa sapidissima 2.5-3.8 [Not specifed] 3.15 mm Mills, 2004
Alosa sapidissima 2.5-3.8 3.15 mm Burdick and Hightower, 2005
Alosa sapidissima Average egg diameter was 3.4 mm 3.4 mm Zydlewski and McCormick, 1997
Valencia hispanica 2.5-2.6 [Not specified] 2.55 mm Fishbase, 2006
Barbatula barbatula Mainly 1.1, varying between 0.8-1.15 [Drifting eggs] 0.975 mm Copp, 2002b
Barbatula barbatula Diameter of 1.0 mm and a tough outer skin 1.0 mm Smyly, 1955
Cobitis taenia 2.54 ± 0.22 2.54 mm Bohlen, 1999
Cobitis taenia 2.54 [2.40-3.12, activated eggs] 2.76 mm Vaino and Saat, 2003
Cobitis taenia 1.80-2.80 [Seems to be fertilized eggs] 2.3 mm Bonislawska, 2001
Cobitis taenia 2.5 mm in diameter 2.5 mm Lodi and Malacarne, 1990
Cobitis taenia Diameter of chorion mean of 2.49 ± 0.24, range 1.49-3.14 2.49 mm Bohlen, 2000
Cobitis paludica Diameter of the chorion, mean 1.71 ± 0.08, range 1.53-1.86 1.71 mm Bohlen, 2000
Abramis brama Average 2.1 [After swelling] 2.1 mm Backiel and Zawiska, 1968
Abramis brama 1.64 ± 0.04, n=52 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 1.64 mm Bonislawska, 2001
Abramis brama The formation of perivitelline space ended approximatively at the end of this step when the average egg diameter increased 1.64 times, i.e., to 1.80 mm 1.64 mm Penaz and Gajdusek, 1979
Abramis brama Perivitelline liquid of high osmotic pressure absorbs water very rapidly, the eggs becomes hard and attains its final shape and size, the diameter being 1.57 to 2.30 mm 1.57 mm Brylinska and Boron, 2004
Alburnus alburnus 1.48 ± 0.06, n=40 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 1.48 mm Bonislawska, 2001
Alburnus alburnus Egg size: the horizontal diameter is from 1.52 to 1.88 mm (1.59 mm in average), vertical diameter is from 1.40 to 1.60 (1.50 mm in average) 1.52 mm Winnicki and Korzelecka, 1997
Alburnus alburnus 1.5 [Not specified] 1.5 mm Kamler and Wolnicki, 2006
Aristichthys nobilis 3.7-6 4.85 mm Horvath, 1992
Aristichthys nobilis 3.15-5.30 [Egg after swelling, the membrane diameter increases 3-5 times] 4.225 mm Mikodina and Makeyeva, 1981
Aristichthys nobilis 5.0-5.2 [Membrane after swelling] 5.1 mm Makeyeva, 1996
Aristichthys nobilis 5.7-6.2, but rarely as small as 3.9 5.95 mm Kolar, 2005
Aristichthys nobilis 3.41 (2.67-3.93) at 19 May & 3.99 (3.67-4.27) at 20 May BUT hybrid between female grass carp and male bighhead 3.3 mm Kilambi and Zdinak, 1981
Aristichthys nobilis 4.82-5.13 [Swollen egg] 4.975 mm Jennigs, 1988
Aristichthys nobilis 5.00 ± 0.08 in 1982 and 4.50 ± 0.15 in 1983 5.0 mm Verigin, 1990
Aristichthys nobilis After the eggs have been fertilized and have absorbed water, the egg membrane expands to about 5-6 mm 5.5 mm Naca, 1989
Aspius aspius 2.0-2.2 [Up to 2.4] 2.1 mm Coad, 2005
Aspius aspius 1.9-2.1 [Seems to be fertilized eggs] 2.0 mm Bonislawska, 2001
Aspius aspius 2.0 [Not specified] 2.0 mm Kamler and Wolnicki, 2006
Barbus barbus About 2.0 [Eggs captured in drifting nets] 2.0 mm Copp, 2002
Barbus barbus 2.88 after fertilization 2.88 mm Penaz, 1973
Barbus barbus 2.9 [Not specified] 2.9 mm Kamler and Wolnicki, 2006
Barbus barbus Having contacted with water, eggs increased to 2.4 mm in diameter (i.e. by 20%) within one hour. 2.4 mm Krupta, 1988
Carassius auratus 1.29 ± 0.05, n=57 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 1.29 mm Bonislawska, 2001
Carassius auratus 1.25-1.46 1.355 mm Battle, 1940
Carassius carassius 1-2 [Fertilized eggs] 1.5 mm Holopainen, 1997
Carassius carassius After fertilization the eggs swell No data Laurila and Holopainen, 1990
Chondrostoma nasus 2.2 [Seems to be fertilized eggs] 2.2 mm Bonislawska, 2001
Chondrostoma nasus 1.7-2.9 [Not specified] 2.3 mm Bruslé and Quignard, 2001
Chondrostoma nasus The mean size of the fertilized eggs was 2.70-2.91 mm 2.805 mm Halacka and Lusk, 1995
Chondrostoma nasus The average size of eggs increased from original 1.76 mm to 2.50 mm, their diameter increasing 1.42 times. Under the conditions of the hatchery at Ochoz, at water temepratures of 6.5 to 6.6°C, this stage lasted condiderably longer, about 6 hours. After that time, the average size of eggs of the same materila attained 2.59 mm and increased still during subsequent days of incubation to 2.92 mm (1.66 times increase) 1.76 mm Penaz, 1974
Chondrostoma nasus 2.8 [Not specified] 2.8 mm Kamler and Wolnicki, 2006
Chondrostoma nasus Eggs after swelling are 2.2. mm 2.2 mm Prawochenski, 1964
Chondrostoma toxostoma Mean 2.1, range 1.9-2.5 [After activation] 2.2 mm Gozlan, 1999
Chondrostoma toxostoma About 2 mm [Not specified] 2.0 mm Internet
Ctenopharyngodon idella 4.2-5 4.6 mm Bruslé and Quignard, 2001
Ctenopharyngodon idella 3.7-6 4.85 mm Horvath, 1992
Ctenopharyngodon idella 3.93-5.31 [Egg after swelling, the membrane diameter increases 3-5 times] 4.62 mm Mikodina and Makeyeva, 1981
Ctenopharyngodon idella 5-6 [After swelling] 5.5 mm Cudmore and Mandrak, 2004
Ctenopharyngodon idella 3.81 (3.27-4-.18) at 19 May & 4.09 (3.87-4.40) at 20 May 3.635 mm Kilambi and Zdinak, 1981
Ctenopharyngodon idella The eggs attain a maximum diameter of 4.32-5.32 in 1.5-2 hours after fertilization 4.82 mm Shireman and Smith, 1983
Ctenopharyngodon idella After the eggs have been fertilized and have absorbed water, the egg membrane expands to about 5-6 mm 5.5 mm Naca, 1989
Cyprinus carpio 1.6-1.65 = the mean size of hydrated eggs, the perivitelline space increases 5 times in diameter within 10-15 min in water 1.625 mm Linhart, 1995
Cyprinus carpio 2-2.5 2.25 mm Horvath, 1992
Cyprinus carpio About 40% of swelling 1.5 mm Witeska, 1995
Cyprinus carpio 1.5-1.8 [Seems to be fertilized eggs] 1.65 mm Bonislawska, 2001
Cyprinus carpio 2.1-2.2 [Swollen] 2.15 mm Woynarovich, 1962
Cyprinus carpio Mean diameter of swollen eggs range from: 1.875 ± 4.85 and 1.839 ± 4.38 1.875 mm Kamler and Malczewski, 1982
Cyprinus carpio Within 30-40 minutes this process ended and the average diameter of eggs remained at a value of 1.65 mm. [Described in other studies as: 1.5-1.8] 1.65 mm Penaz, 1983
Cyprinus carpio After fertilization and swelling the diameter was 2.1-2.5 mm (mean 2.3 mm) 2.3 mm Matlak, 1970
Cyprinus carpio Size of eggs taken from spawning beds ranged from means of 1.23 +/-0.03 to 1.76 +/-1.76 1.23 mm Hulata, 1974
Gobio gobio Mainly 1.3, varying between 1.3-1.35 [Drifting eggs] 1.325 mm Copp, 2002b
Gobio gobio At water temperature of 19°C, the water uptake lasted about 45 minutes and the eggs increased their diameter to 1.29 mm 1.29 mm Penaz and Prokes, 1978
Gobio gobio 1.5 [Not specified] 1.5 mm Kamler and Wolnicki, 2006
Gobio gobio Fertilized fish eggs in a swollen stated had 1.51 mm (1.42-1.62) in diameter and their mass was 1.48 mg on average (1.22-1.87) 1.52 mm Palikova and Krejci, 2006
Gobio gobio Les œufs sont blancs tanslucides et mesurent 1.4 à 1.8 mm de diamètre (moyenne 1.5 mm), ceci rejoint les observations en Irlande où les œufs de goujons mesurent de 1.30 à 1.65 mm 1.4 mm Brunet and Hoestlandt, 1972
Hypophthalmichthys molitrix 3.7-6 4.85 mm Horvath, 1992
Hypophthalmichthys molitrix 3.68-5.02 [egg after swelling, the membrane diameter increases 3-5 times] 4.35 mm Mikodina and Makeyeva, 1981
Hypophthalmichthys molitrix Water-hardened egg 4.9-5.6 5.25 mm Kolar, 2005
Hypophthalmichthys molitrix Diameter of swollen eggs at 3 different dates: mean 3.22 (3.05-3.50), mean 3.22 (3.01-3.79) and 3.87 (3.02-4.29) 3.275 mm Makeeva, 1988
Hypophthalmichthys molitrix Mean of 4.28 ± 0.03 in 1982 and 3.92 ± 0.02 in 1983 4.28 mm Verigin, 1990
Hypophthalmichthys molitrix After the eggs have been fertilized and have absorbed water, the egg membrane expands to about 5-6 mm 5.5 mm Naca, 1989
Leucaspius delineatus 1.3-1.4 [After swelling] 1.35 mm Pinder and Gozlan, 2004
Leucaspius delineatus 1.1-1.3 [After swelling] 1.2 mm Bonislawska and Winnicki, 2000
Leucaspius delineatus 1.25 ± 0.04, n=100 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 1.25 mm Bonislawska, 2001
Leucaspius delineatus 1.14-1.31 [Egg swollen] 1.225 mm Bonislawska, 2000
Leucaspius delineatus Mean of 1.26 [Swollen egg] 1.26 mm Bonislawska, 1999
Leuciscus cephalus 1.8 ± 0.2 [Newly fertilized eggs stripped from a female, n=20] 1.8 mm Calta, 2000
Leuciscus cephalus 1.99-2.31 [Seems to be fertilized eggs] 2.15 mm Bonislawska, 2001
Leuciscus cephalus 2 [Drifting eggs] 2.0 mm Copp, 2002b
Leuciscus cephalus 1.97 [Eggs stripped] 1.97 mm Penaz, 1968
Leuciscus cephalus 2.0 [Not specified] 2.0 mm Kamler and Wolnicki, 2006
Leuciscus cephalus After swelling diameter increases by a factor of 1.3-1.6 1.45 mm Zelepien, 1997
Leuciscus idus 2.5 2.5 mm Spillmann, 1961
Leuciscus idus 2.1-2.3 2.2 mm Bruslé and Quignard, 2001
Leuciscus idus 2.5 [Not specified] 2.5 mm Kestemont, 2001
Leuciscus idus 1.6-2.2 [Not specified] 1.9 mm Fishbase, 2006
Leuciscus idus 1.8 [Not specified] 1.8 mm Kamler and Wolnicki, 2006
Leuciscus idus Swelling increases size of ide eggs from 1.2-1.6 mm to 2.1-2.3 mm 1.4 mm Witkowski, 1997
Leuciscus idus 2.5 mm [Not specified if swollen] 2.5 mm Kestemont and Mélard, 1994
Leuciscus leuciscus Mainly 1.5 [Drifting eggs] 1.5 mm Copp, 2002b
Leuciscus leuciscus 2.0-2.5, mostly 2.4-2.5 [Ova] 2.25 mm Kennedy, 1969
Leuciscus leuciscus About 1.5 [Eggs] 1.5 mm Wurtz-Arlet, 1950
Leuciscus leuciscus Eggs found on the field range from 1.33 to 1.51 mm 1.33 mm Mills, 1981
Leuciscus leuciscus 2.0 [Not specified] 2.0 mm Kamler and Wolnicki, 2006
Leuciscus leuciscus 2.5 [Not specified] 2.5 mm Kestemont and Mélard, 1994
Mylopharyngodon piceus 5.6 [Eggs swell four to five fold during hydratation] 5.6 mm Crosier, 2005
Mylopharyngodon piceus 3.40-4.40 [Egg after swelling, the membrane diameter increases 3-5 times] 3.9 mm Mikodina and Makeyeva, 1981
Mylopharyngodon piceus After the eggs have been fertilized and have absorbed water, the egg membrane expands to about 5-6 mm 5.5 mm Naca, 1989
Phoxinus phoxinus Mainly 1.5 [Drifting eggs] 1.5 mm Copp, 2002b
Phoxinus phoxinus The diameter of the swollen eggs become 1.3 mm 1.3 mm Soin, 1982
Phoxinus phoxinus Newly deposited eggs are 1.5-1.8 mm 1.65 mm Frost, 1943
Phoxinus phoxinus 1.6 [Not specified] 1.6 mm Kamler and Wolnicki, 2006
Pimephales promelas The eggs averaged 1.15 mm in diameter 1.15 mm Markus, 1934
Pimephales promelas Eggs expand as they water-harden No data Gale and Buynak, 1982
Pseudorasbora parva 1.30-1.65 x 1.15-1.30 [After swelling] 1.475 mm Makeyeva and Mokamed, 1982
Pseudorasbora parva 1.3-1.5 or 2-2.5 [Not specified] 1.4 mm Bruslé and Quignard, 2001
Pseudorasbora parva 2-2.5 [Not specified] 2.25 mm Coad, 2005
Pseudorasbora parva Ellipsoidal (major diameter 2.0-2.5 mm), yellowish 2.25 mm Witkowski, 2006
Rhodeus sericeus 2.59 ± 0.04 x 1.74 ± 0.07 [n = 63] 2.59 mm Aldridge, 1999
Rhodeus sericeus 1.3-2.6 [Seems to be fertilized eggs] 1.95 mm Bonislawska, 2001
Rutilus rutilus 1.9-2.5 [not precised ?] 2.2 mm Bruslé and Quignard, 2001
Rutilus rutilus 1.93-2.48 [Seems to be fertilized eggs] 2.205 mm Bonislawska, 2001
Rutilus rutilus Mainly 1.4 [Drifting eggs] 1.4 mm Copp, 2002b
Scardinius erythrophthalmus 1.33 ± 0.07, n=30 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 1.33 mm Bonislawska, 2001
Scardinius erythrophthalmus Mean of 1.38, range 1.2-1.5 [Egg diameter after water absorption] 1.35 mm Korzelecka and Winnicki, 1998
Tinca tinca 1-1.4 [Not specified] 1.2 mm Feunteun, 2001
Tinca tinca 1.3-1.4 [Not specified] 1.35 mm Fishbase, 2006
Tinca tinca 1.9 [Seems to be fertilized eggs] 1.9 mm Bonislawska, 2001
Tinca tinca The mean size of the eggs has increased 1.44 times, to 1.14 mm 1.44 mm Penaz, 1981
Tinca tinca 1.14 for swollen eggs 1.14 mm Kubu and Kouril, 1985
Vimba vimba After fertilization the spawn of V. Vimba from the Czarna Orawa, similarly as that from the catchment area of the Baltic Sea, swells greatly in water, its volume increasing about twice No data Wajdowicz, 1974
Vimba vimba 2.0 [Not specified] 2.0 mm Kamler and Wolnicki, 2006
Vimba vimba The mean egg size on the 3rd day of incubation reached 1.95 mm (1.90-2.05 mm). 1.975 mm Lusk, 2005
Gambusia affinis Fertilised eggs began to appear in 1.8-1.9 mm follicles (2.4%) adn Increased to 16.0% in 1.90-2.0 mm follicles [The fertilized eggs were sligtly larger in diameter than mature oocytes] 1.85 mm Koya, 2000
Esox masquinongy 3.1-3.4 (mean=3.32, N=33) 3.25 mm Farrell, 1996
Esox masquinongy 2.5-3.3 2.9 mm Billard, 1996
Esox masquinongy 2.5-3.5 [Fertilized eggs] 3.0 mm Scott and Crossman, 1973
Esox masquinongy 2.5-3.5 3.0 mm Mittelbach and Persson, 1998
Esox masquinongy During this time the fertilized eggs double their volume No data Sorenson, 1966
Esox masquinongy Range from 2.5 to 2.7 2.5 mm Rinchard, 2002
Esox niger 2.25-2.95 [Mode 2.5] 2.6 mm Fishbase, 2006
Esox lucius 2.5-2.9 [20-40% increase after water swelling] 2.7 mm Chauveheid and Billard, 1983
Esox lucius 2.5-3.0 2.75 mm Hovarth, 1992
Esox lucius 2.8-3.1 [mean=2.96, n=62] 2.95 mm Farrell, 1996
Esox lucius 2.6-2.7 [After fertilization] 2.65 mm Toner and Lawler, 1969
Esox lucius 2.6-2.9 [Fertilized egg 3 hours after fertilization] 2.75 mm Frost and Kipling, 1967
Esox lucius During water hardening, the volume of egg increases by 25-40% 1.5 mm Balvay, 1983
Esox lucius 2.5-2.9 [Swollen eggs] 2.7 mm Bonislawska and Winnicki, 2000
Esox lucius 2.68 ± 0.11, n=212 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 2.68 mm Bonislawska, 2001
Esox lucius 2.38-2.88 [A female (3.5 years, 1.4 kg) considered to be of medium size, produced the biggest eggs: 2.58-2.88, while eggs of a very small female, probably spawning for the first time (weight 0.3,) and a very big one (4.4 Kg) and the oldest -5 years) were almost the same size (2.38-2.70 mm) 2.63 mm Bonislawska, 2000
Esox lucius Mean size of 2.48 for 41-cm female and 2.80 for 101-cm female [When the eggs reached the 'eye' stage, a sample of 50 from each pike was taken and the diameters measured using a binocular microscope] 2.48 mm Wright and Shoesmith, 1988
Lota lota 0.5-1.70 [Not specified] 1.1 mm Brylinska, 2002
Lota lota 1.25-1.77 [Not precised] 1.51 mm Mellinger, 2002
Lota lota 0.5-1.7 [Mode 0.9] 1.1 mm Fishbase, 2006
Lota lota 0.8-1.2 [Seems to be fertilized eggs] 1.0 mm Bonislawska, 2001
Gasterosteus aculeatus 1.5-1.9 [Swollen eggs] 1.7 mm Fishbase, 2006
Gasterosteus aculeatus 1.52 ± 0.06, n=70 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 1.52 mm Bonislawska, 2001
Gasterosteus aculeatus Mainly 1.5 [Drifting eggs] 1.5 mm Copp, 2002b
Gasterosteus aculeatus 1.47-1.66 [Eggs swollen] 1.565 mm Bonislawska, 2000
Gasterosteus aculeatus Eggs is spherical, about 1.2 to 1.7 mm in diameter 1.2 mm Swarup, 1958
Pungitius pungitius Mainly 1.2, varying between 1.2-1.25 [Drifting eggs] 1.225 mm Copp, 2002b
Micropterus dolomieui 2.0 [Ferlitized eggs] 2.0 mm Internet, 2005
Micropterus dolomieui Mean of 2.0 with n=10 [Fertilized eggs] 2.0 mm Meyer, 1970
Micropterus salmoides 1.5-2.5 2.0 mm Williamson, 1993
Micropterus salmoides 1.5-1.7 [Fertilized egg] 1.6 mm Scott and Crossman, 1973
Micropterus salmoides Water-harden within 15 mn 15.0 mm Heidinger, 1976
Micropterus salmoides Mean of 1.6 with n=31 [Fertilized eggs] 1.6 mm Meyer, 1970
Micropterus salmoides Fertilized eggs were spehrical with a 1.5-2.5 mm diameter 2.0 mm Roncarati, 2005
Dicentrarchus labrax Mean of 1.162 ±0.0004, min 1.088, Max 1.214 1.162 mm Saka, 2001
Dicentrarchus labrax 1.2 1.2 mm Mayer, 1990
Dicentrarchus labrax 1.26-1.31 1.285 mm Pawson, 2000
Dicentrarchus labrax 1.19-1.29 1.24 mm Barahona-Fernandes, 1977
Dicentrarchus labrax A perivitelline space appears, 15 to 60 minutes post oviposition, whether or not the eggs are fertilized. The mean diameter of egg was 1.2 mm with 1.07 and 1.32 mm at minimum and maximum values [Egg diameters described in other places as 1.07-1.32 in Brittany, 1.02-1.296 in the Mediterranean coast, 1.386 for the North Sea] 1.195 mm Dechauvelle and Coves, 1988
Dicentrarchus labrax Mean of 1.115, range 1.12-1.19. In different studies vary from 1.15-1.20 in Mediterranean Sea and 1.08-1.51 in Atlantic Ocean [Fertilized eggs] 1.155 mm Barnabé, 1980
Dicentrarchus labrax 1.17963 ± 0.0047 [Fertilized eggs] 1.17963 mm Carillo, 1989
Dicentrarchus labrax 1.18 ± 0.01 [Fertilized eggs] 1.18 mm Cerda, 1994
Morone americana 0.92 [After fertlization] 0.92 mm Scott and Crossman, 1973
Morone americana 0.65-1.09 [Fertilized egg], water hardening is complete within 15 to 20 min at 18°C 0.87 mm Stanley and Danie, 1983
Morone americana 0.80-0.86 [Swollen eggs] 0.83 mm Morgan II and Jasin, 1982
Morone chrysops 0.700-1.180 [After spawning and water hardening] 0.94 mm Ruelle, 1977
Morone chrysops Increase little in diameter when water-hardened No data Kohler, 1997
Morone saxatilis 3.6 [Not precised] 3.6 mm Mellinger, 2002
Morone saxatilis Mean 3.3, or range 3.4-4.2 3.8 mm Internet, 2005
Morone saxatilis 2.4-3.9 3.15 mm Fishbase, 2006
Morone saxatilis 3.6 [A few hours after they are fertilized and have undergone swelling] 3.6 mm Scott and Crossman, 1973
Morone saxatilis 3.6 [Eggs] 3.6 mm Merriman, 1937
Morone saxatilis 3.2 [Mean diameter of mature, fully yolked, ovarian oocyte] ??? 3.2 mm Olden, 2006
Gymnocephalus cernuus 0.97-1.07 [Activated egg] 1.02 mm Kovac, 1998
Gymnocephalus cernuus The egg diameter was measured in the middle of the spawning season: 0.65-0.85 [In lake Peipsi], 0.9-1.1 [In Matsalu Bay], 0.95-1.25 |In Pärnu Bay] 0.75 mm Albert, 2006
Perca flavescens Mean diameter of 2.26 mm, 1.87 to 2.81 but some describes it to reach 4.5 mm [Water hardening within the first few minutes] 2.26 mm Mansueti, 1964
Perca flavescens 1.7-4.5 3.1 mm Heidinger and Kayes, 1986
Perca flavescens 3.5 [Swollen] 3.5 mm Scott and Crossman, 1973
Perca flavescens 2.7 [Mean diameter of mature, fully yolked, ovarian oocyte] ??? 2.7 mm Olden, 2006
Perca fluviatilis 1.9-2.8 [within about 3 min after fertilization, the membrane swells] 2.35 mm Craig, 2000
Perca fluviatilis 1.9-2.8 [In lake 1.9-2.4] 2.35 mm Thorpe, 1977
Perca fluviatilis 1.9-2.8 [Three minutes after fecondation] 2.35 mm Goubier, 1990
Perca fluviatilis Swollen egg (without jelly enveloppe, 50 min. after the fertilization) measured 1.25 mm on the average 1.25 mm Korzelecka, 1998
Sander lucioperca 1.0-1.5 1.25 mm Hovarth, 1992
Sander lucioperca The eggs swell after fertilization due to uptake of water No data Craig, 2000
Sander lucioperca 0.8-1.67 [Swollen] 1.235 mm Lappaleinen, 2003
Sander lucioperca 1.28-1.5 [After eggs have been deposited, they absorb water, resulting in an increase of approximatively 30 percent] 1.39 mm Deeler and Willemsen, 1964
Sander lucioperca 1.02-1.67 [After fertilization] 1.345 mm Lehtonen, 1996
Sander lucioperca About 1-1.5 [Egg fertilized] 1.25 mm Schlumberger and Proteau, 1993
Sander lucioperca 0.8-1, also described at 1-1.5 0.9 mm Schlumberger and Proteau, 1991
Sander lucioperca 0.8-1.5 [Swollen] 1.15 mm Schlumberger and Proteau, 1996
Sander lucioperca In the 2003 spawning, the diameter of the most swollen pikeperch eggs ranged from 1.33 to 1.44 mm 1.385 mm Demsla-Zakes, 2005
Sander vitreus During this water-hardening [2-3 hours] the eggs will swell to about twice their original volume] 2.5 mm Malison and Held, 1996b
Sander vitreus The eggs swell after fertilization due to uptake of water No data Craig, 2000
Sander vitreus 1.5-2.0 [Not precised] 1.75 mm Mellinger, 2002
Sander vitreus 1.5-2.0 [Not precised] 1.75 mm Scott and Crossman, 1973
Sander vitreus 1.5-2 [Not specified] 1.75 mm Fishbase, 2006
Coregonus lavaretus 2.61 ± 0.15, n=186 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 2.61 mm Bonislawska, 2001
Coregonus lavaretus 2.98 mean diameter of fertilized egg 2.98 mm Bagenal, 1970
Coregonus lavaretus 2-3 [Not specified] 2.5 mm Gerdeaux, 2001
Coregonus lavaretus 2-3 [Not specified] 2.5 mm Coad, 2006
Coregonus lavaretus 3-3.7 [Oocyte] 3.35 mm Mack and Billard, 1984
Coregonus lavaretus 2.4 [Fully hardened eggs] 2.4 mm Penaz, 1981
Coregonus lavaretus Diameter range for wild breeders from 2.0 +/- 0.05, 2.4 +/- 0.04, 2.6 +/- 0.07 2.0 mm Rojas Beltran, 1992
Coregonus albula 1.78 ± 0.10, n=186 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 1.78 mm Bonislawska, 2001
Coregonus albula Different means of diameter of water-hardened eggs range between 1.71 to 1.81 mm 1.71 mm Viljanen and Koho, 1991
Coregonus albula Average diameter at pH 7.00 was 1.75 (based on Figure 1) 7.0 mm Duis and Oberam, 2000
Coregonus clupeaformis 3-3.2 3.1 mm Mellinger, 2002
Coregonus clupeaformis 3.0-3.2 [After 24 hours in water] 3.1 mm Scott and Crossman, 1973
Coregonus clupeaformis 2.8-3.0 2.9 mm Sturn, 1994
Coregonus clupeaformis Increase up to 3.2 mm after 24 hours in the water 3.2 mm Anonymous, 2006 Chapter 3
Hucho hucho 4.0-5.5 [2 hours after fertilization] 4.75 mm Jatteau, 1991
Hucho hucho 3.6-6.0 [Seems to be fertilized eggs] 4.8 mm Bonislawska, 2001
Hucho hucho Mature roe is light yellow or light orange and about 5 mm in diameter 5.0 mm Witokowski and Kokurewicz, 1981
Hucho hucho In our case swelling of the eggs began c. 30 min. after activation and went on intensively for 2 hrs., when the average egg size reached 4.32 mm, though slower swelling and an increase in egg size continued for the first three days of incubation up to a size of 4.55 mm 4.32 mm Penaz and Prihoda, 1981
Hucho hucho 4.5 [Fully hardened eggs] 4.5 mm Penaz, 1981
Oncorhynchus gorbuscha Different means: 7.08 ± 0.04 (N=30), 7.11 ± 0.04 (N=30), 6.96 ± 0.02 -N=90), 7.16 ± 0.03 (N=90), 7.04 ± 0.03 (N=90), 7.24 ± 0.02 (N=90), and 7.07 ± 0.03 (N=90) [Water hardened egg] 7.08 mm Murray and Beacham, 1986
Oncorhynchus gorbuscha The average diameter of eggs was 6.38 ± 0.28 [Fertilized eggs after being water hardened for an hour] 6.38 mm Kwain, 1982
Oncorhynchus keta 6-7 up to 8.0-9.5 [Fertilized eggs] 6.5 mm Scott and Crossman, 1973
Oncorhynchus keta 6-9.5 7.75 mm Mellinger, 2002
Oncorhynchus keta Can reach 7.1-9.5 8.3 mm Groot, 1996
Oncorhynchus keta Up to 7.8 (perhaps 9.6 when fertilized) 7.8 mm Coad, 2006
Oncorhynchus keta Fertilized eggs are about 6.0-9.5 7.75 mm Bakkala, 1970
Oncorhynchus keta Water hardened diameter means range between different populations from 7.89 to 8.59 7.89 mm Beacham and Murray, 1987
Oncorhynchus keta About 6.7 6.7 mm Fishbase, 2006
Oncorhynchus keta 7.3-7.5 [Not specified] 7.4 mm Penaz and Prihoda, 1981
Oncorhynchus keta 7.0-7.3 [Fully hardened eggs] 7.15 mm Penaz, 1981
Oncorhynchus kisutch 7-7.5 [Diamter of presumptive fertilized and water-hardened egg] 7.25 mm Morrison, 1985
Oncorhynchus kisutch 6.2-8.7 with n=1465 eggs mesured 7.45 mm Murray, 1990
Oncorhynchus kisutch 7-8.35 [Water-hardened egg] 7.675 mm Beacham and Murray, 1993
Oncorhynchus kisutch Diameters of swollen eggs range from 0.261 to 0.308 inches 0.261 mm Allen, 1958
Oncorhynchus mykiss 4-4.2 [n = 1633] 4.1 mm Escaffre and Bergot, 1985
Oncorhynchus mykiss 4.9 ± 0.38, n=75 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 4.9 mm Bonislawska, 2001
Oncorhynchus mykiss Mean of 3.72 ± 0.29 for 2 year old fish and 5.02 ± 0.29 for 3 year old fish 3.72 mm Springate nad Bromage, 1985
Oncorhynchus mykiss Mean of 3.91 ± 0.1 [For females aged 2], 5.08 ± 0.3 [For females age 3] and 5.74 ± 0.16 [For females age 4] 3.91 mm Kato and Kamler, 1983
Oncorhynchus mykiss 5.9 [Fully hardened eggs] 5.9 mm Penaz, 1981
Oncorhynchus mykiss Egg diameter for controls was around 5.25 (based on Fig. 3) 5.25 mm Contreras-Snachez, 1998
Oncorhynchus mykiss Diameter of egg in the day of hatching ranged from 5.26 to 5.54 5.26 mm Winnicki, 1970
Oncorhynchus nerka Means range from 5.46 to 6.61 for three different populations [Not specified if fertilized] 5.46 mm Bagenal, 1971
Oncorhynchus nerka 5.0 [Kokanee] and 5.0-5.6 [Sockeye] for water-hardened egg 5.3 mm Kaeriyama, 1995
Oncorhynchus tshawytscha 7.66-8.73 [Water-hardened egg] 8.195 mm Beacham and Murray, 1993
Salmo salar 5.4-6.15 [Seems to be fertilized eggs] 5.775 mm Bonislawska, 2001
Salmo salar Range from 4.46-6.60, averaging 5.73 [Swollen eggs] 5.53 mm Thorpe, 1984
Salmo salar Different means range from 5.38-5.70 [Swollen eggs] 5.54 mm Eskelinen, 1989
Salmo salar Mean egg dimater after water hardening: 5.08 ± 0.16 [Age 1.1+], 5.68 ± 0.06 [Age 2.1+] and 5.72 ± 0.19 [Age 2 sea water] 5.08 mm Moffett, 2006
Salmo salar The diameter of eggs varied beween different females from 0.424 +/- 0.014 cm to 0.641 +/- 0.023 0.424 mm Berg, 2001
Salmo trutta fario 5.01 ± 0.80, n=778 [Eggs stripped from mature females, fertilized and incubated in water: hydrated eggs] 5.01 mm Bonislawska, 2001
Salmo trutta fario The egg size at 2 days post-fertilization varied from 5.78 ±0.29 and 6.41 ± 0.28 5.78 mm Vollestad and Lillehammer, 2000
Salmo trutta fario 6.1 [Maximum egg diameter] 6.1 mm Coad, 2006
Salmo trutta fario 4.25-6.56 [Smaller female (1.5 kg, TL 56 cm) produced small eggs: 4.25-5.4, while bigger female (weight 3.9, TL 79 cm) had much bigger eggs, with diameter about 5.75-6.56] 5.405 mm Bonislawska, 2000
Salmo trutta fario Average diameter on the spawning area: 5.5 mm 5.5 mm Plasseraud, 1990
Salmo trutta fario The mean length of maximum diameter of swollen eggs calculated for all females (n=40) ranged from 5.296 to 5.780 mm 5.296 mm Papala, 1998
Salmo trutta fario Swollen egg diameter: 5.225 ± 0.327 (Rega), 5.100 ± 0.319 (Parseta), 5.149 ± 0.285 (Wieprza), 5.090 ± 0.287 (Grabowa) 5.225 mm Chelkowski, 1990
Salmo trutta fario Range of diameters of swollen eggs of sea trout from Rega river at 4.5-5.45 mm. In this study the values found were 4.3-5.7 mm 4.975 mm Chelkowski, 1985
Salmo trutta fario The collected eggs were submerged in water for hardening. […] The mean diameter of the eggs if individual females ranged from 4.08 to 5.85 mm, while in subsequent age groups the mean diameter of ten eggs ranged from 4.45 mm to 5.31 mm in four-and seven-year females 4.08 mm Bartel, 2005
Salmo trutta fario Egg diameter mean ± S.D. : 4.57 ± 0.28 [Wild females] and 4.34 ± 0.16 [Farmed females] in 2002 4.57 mm Randak, 2006
Salvelinus alpinus Mean of 6.28 but up to 7.1 [Horizontal: 5.20-6.05, vertical 4.85-5.70, swelling is completed 60 min after the eggs were put into water with a temperature of 9.5-11.0] 5.625 mm Pavlov, 1994
Salvelinus alpinus 3.8-5.8 [Seems to be fertilized eggs] 4.8 mm Bonislawska, 2001
Salvelinus alpinus 5.2 [Mean diameter of fertilized eggs] 5.2 mm Wedekind and Müller, 2004
Salvelinus alpinus Mean egg diameter 4.9 ± 0.2, also descibed as 5.1 [Water hardened eggs] 4.9 mm Papst and Hopky, 1984
Salvelinus alpinus 5.2 [Fully hardened eggs] 5.2 mm Penaz, 1981
Salvelinus fontinalis 3.69-5.95 [Fully swollen egg, measured 1 hour after water contact] 4.82 mm Dlaboga, 1998
Salvelinus fontinalis Ripe eggs from individual females varied in mean diameter from 3.35 to 5.0 3.35 mm Wydoski and Cooper, 1966
Salvelinus fontinalis 4.6 [Fully hardened eggs] 4.6 mm Penaz, 1981
Salvelinus fontinalis Means of diameter range from 4.65 +/-0.5 to 4.80 +/-0.04 4.65 mm Roche-Mayzaud, 1998
Salvelinus namaycush 5.7 ± 0.2 [Fertilized eggs] 5.7 mm Beauchamp, 1992
Salvelinus namaycush 3.7-6.8, with a mean of 5.0 [Size of ripe egg] 5.25 mm Groot, 1996
Salvelinus namaycush 5.4 [Fully hardened eggs] 5.4 mm Penaz, 1981
Stenodus leucichthys 3.1-3.2 3.15 mm Sturn, 1994
Stenodus leucichthys 3.1-3.2 [Fully hardened eggs] 3.15 mm Penaz, 1981
Thymallus thymallus 2-8.3.0 is the diameter of the egg itself, but the diameter of the swollen eggs with the perivetlline space is 3.25-4.66 mm ] 5.15 mm Zaytsev, 1986
Thymallus thymallus 3.5 [Not specified] 3.5 mm Persat, 2001
Thymallus thymallus 4 [After water-hardening] 4.0 mm Mellinger, 2002
Thymallus thymallus 4.0 [After fertilization] 4.0 mm Northcote, 1995
Thymallus thymallus 3.2-4.0 [Seems to be fertilized eggs] 3.6 mm Bonislawska, 2001
Thymallus thymallus 2-3.5 [Not specified] 2.75 mm Bruslé and Quignard, 2001
Thymallus thymallus 3.27 [Swollen egg diameter] 3.27 mm Penaz, 1975
Thymallus thymallus 3.1 [Fully hardened eggs] 3.1 mm Penaz, 1981
Thymallus thymallus Les œufs sont petits (2.5 to 3.5 mm of diameter) after water-hardening 2.5 mm Vivier, 1958
Thymallus thymallus Après fecondation le diamètre de l'œuf est voisin de 3 mm. Il se stabilise à 4 mm après 75 minutes de durcissement 3.0 mm Carmie, 1985
Thymallus arcticus 3.5 [Swollen egg] 3.5 mm Fishbase, 2006
Thymallus arcticus 2.7-4.3 [After water hardening] 3.5 mm Scott and Crossman, 1973
Thymallus arcticus 4-4.8 [Seems to be fertilized eggs] 4.4 mm Bonislawska, 2001
Thymallus arcticus The average diameter of 100 measurements of water hardened eggs was 2.7 mm 2.7 mm Bishop, 1971
Thymallus arcticus 4.3 [Fully hardened eggs] 4.3 mm Penaz, 1981
Cottus gobio 2-2.5 2.25 mm Tomlinson and Perrow, 2003
Ameiurus nebulosus Fertilized eggs about 3.0 mm 3.0 mm Internet, 2005
Ictalurus punctatus 3.9 [The diameter of the egg membrane after activation] 3.9 mm Makeeva and Emel'yanova, 1993
Ictalurus punctatus The fertilized egg are about 3.5 but range up to 5.1 3.5 mm Grizzle, 1985
Ictalurus punctatus 3.5 [Fertilized swollen egg] 3.5 mm Legendre, 1997
Ictalurus punctatus 3.5 [Egg size] 3.5 mm Hecht, 1996
Ictalurus punctatus Egg production by individual females was considered successful if eggs appeared normal ( yellow and ~ 5 mm in diameter) 5.0 mm Lang and Tiersch, 2007
Silurus glanis 3-4 3.5 mm Hovarth, 1992
Silurus glanis 3.5 [Fertilized swollen egg] 3.5 mm Legendre, 1997
Silurus glanis 3.0 [Not specified, but seems unswollen] 3.0 mm Mittelbach and Persson, 1998
Silurus glanis 3 [Not specified] 3.0 mm Bruslé and Quignard, 2001
Osmerus eperlanus After extrusion into water, the egg immeadiatly swells, its diameter increases about 0.2 mm 0.2 mm Belyanina, 1969
Osmerus eperlanus 1.1 [Fully hardened eggs] 1.1 mm Penaz, 1981
Osmerus eperlanus Fertilized eggs range in size from 1.0-1.2 mm 1.1 mm Buckley, 1989
Osmerus eperlanus 0.9-1.1 [Seems to be fertilized eggs] 1.0 mm Bonislawska, 2001
Osmerus eperlanus The diameter of the swollen eggs is 1.0-1.1 mm 1.05 mm Gorodilov and Melnikova, 2006