Copp, 2002



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Lepomis gibbosus Spawning conditions Spawning temperature 20-25 22.5 °C
Gasterosteus aculeatus Female Maximum GSI value Mean 35, range 32-44 in June [With eviscerated weight !!, about 25-30%] 38.0 percent
Pungitius pungitius Female Maximum GSI value About 35 in end of March [With eviscerated weight, i.e. about 25%] 35.0 percent
Lepomis gibbosus Female Maximum GSI value Up to 10.5, between 5.4-9.0, rarely peaking at 15 in Europe 7.2 percent
Gasterosteus aculeatus Male Onset of spermatogenesis February-March ['February', 'March']
Pungitius pungitius Male Onset of spermatogenesis February-March ['February', 'March']
Gasterosteus aculeatus Female Relative fecundity About 100, range from 50-130 90.0 thousand eggs/kg
Pungitius pungitius Female Relative fecundity About 100 100.0 thousand eggs/kg
Gasterosteus aculeatus Male Maximum GSI value 4.8 [April] 4.8 percent
Pungitius pungitius Male Maximum GSI value 7.4-8 [August] 7.7 percent
Lepomis gibbosus Female Age at sexual maturity From 1.4 to 3.9 in Europe, 3-5 in their study [Both sex] 4.0 years
Gasterosteus aculeatus Female Resting period September to February No data
Pungitius pungitius Female Resting period September to February No data
Lepomis gibbosus Female Resting period From August to March No data
Gasterosteus aculeatus Male Main spermatogenesis activity March-April ['April', 'March']
Pungitius pungitius Male Main spermatogenesis activity March-April ['April', 'March']
Gasterosteus aculeatus Female Onset of oogenesis February ['February']
Pungitius pungitius Female Onset of oogenesis Based on GSI graph, slight increase between November to February ['February', 'November']
Lepomis gibbosus Female Onset of oogenesis March-April ['April', 'March']
Barbus barbus Egg Egg size after water-hardening About 2.0 [Eggs captured in drifting nets] 2.0 mm
Gasterosteus aculeatus Female Intensifying oogenesis activity March-April ['April', 'March']
Pungitius pungitius Female Intensifying oogenesis activity Based on GSI graph, in February GSI increased from 5 to 35% in females ['February']
Lepomis gibbosus Female Intensifying oogenesis activity Based on GSI graph, GSI increases from 2 to 6% in May ['May']
Gasterosteus aculeatus Male Resting period About 1% [From September to February] 1.0 months
Pungitius pungitius Male Resting period About 1% [From September to February] 1.0 months
Gasterosteus aculeatus Egg Oocyte diameter 1.7 [Large mature oocytes, range 1.31-2.0 for other populations] 1.655 mm
Pungitius pungitius Egg Oocyte diameter 1.7 [Large mature oocytes] 1.7 mm
Lepomis gibbosus Egg Oocyte diameter Mean 0.88 [0.5-1.27] 0.885 mm
Lepomis gibbosus Spawning conditions Spawning season June-July ['June', 'July']
Gasterosteus aculeatus Female Length at sexual maturity 5.2 [SL, smallest individual with ripe eggs] 5.2 cm
Pungitius pungitius Female Length at sexual maturity 3.5 [SL, smallest individual with ripe eggs] 3.5 cm
Lepomis gibbosus Female Length at sexual maturity Mean length at maturity was 6.11 SL [Both sex] 6.11 cm
Lepomis gibbosus Male Length at sexual maturity Mean length at maturity was 6.11 SL [Both sex] 6.11 cm
Lepomis gibbosus Female Age at sexual maturity From 1.4 to 3.9 in Europe, 3-5 in their study [Both sex] 4.0 year
Gasterosteus aculeatus Spawning conditions Spawning release Estimated number of clutches per female is about 14 No category
Pungitius pungitius Spawning conditions Spawning release Estimated number of clutches per female is about 21.3 No category
Lepomis gibbosus Spawning conditions Parity Gsi of all females by age class increased with age No category