Groot, C. (1996) Salmonid life histories., pp. 97-218
| Species | Development state | Trait | Primary Data | Secondary Data |
| Oncorhynchus gorbuscha | Egg | Egg Buoyancy | Demersal | Demersal |
| Oncorhynchus gorbuscha | Egg | Egg adhesiveness | During water hardening the egg capsule becomes highly adhesive for about 20 minutes | Adhesive |
| Oncorhynchus gorbuscha | Egg | Incubation time | 103 [10°C], 139 [7°C], 195 [4°C] | 103.0 days |
| Oncorhynchus gorbuscha | Egg | Temperature for incubation | 7-10°C [Deformities occur when eggs are incubated at low temperatures : 3-4.5°C | 8.5 °C |
| Oncorhynchus gorbuscha | Egg | Degree-days for incubation | 780-1030 | 905.0 °C * day |
| Oncorhynchus gorbuscha | Larvae | Larvae behaviour | The fry emerge from the gravel at night, mainly in April and May, and immediatly migrate to sea | Demersal |
| Oncorhynchus gorbuscha | Larvae | Reaction to light | If salt water is not reach during the first night, the fry will hide in the gravel during daylight hours: thus only nightly "jumps" [Once in the estuary, the behavior change, the fry become light-adapted and start to swim around during daylights in schools] | Photophobic |
| Oncorhynchus gorbuscha | Female | Female sexual dimorphism | Morphological changes are minor in mature females but they show the same color changes as males | Absent |
| Oncorhynchus gorbuscha | Female | Relative fecundity | 0.472 | 0.47 thousand eggs/kg |
| Oncorhynchus gorbuscha | Female | Absolute fecundity | 1.2-1.9 | 1.55 thousand eggs |
| Oncorhynchus gorbuscha | Male | Male sexual dimorphism | Marked hump and a large kype, colour changes | Absent |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning migration distance | Spawning grounds can be as far as 700 km, but generally are within 100 km of the coast | 700.0 km |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning migration period | Between June and September | ['June', 'September'] |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning season | Late August to early October | ['August', 'October'] |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning period duration | 6-8 [that long when spawning ground availibility is limited] | 7.0 weeks |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning period duration | Spawning time of female from selection of first nest site to death averages 10.8 days | 10.8 weeks |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning temperature | Most spawning at 10-12°C [Range 7-19°C] | 11.0 °C |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning water type | Velocities 30 to 140 cm/sec | Flowing or turbulent water |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning water type | Primarily in streams with riffles, but also brackish water conditions in river mouths | No category |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning depth | Usually 30 to 100 cm in depth [In dry years, spawning can occur at 10-15 cm] | 12.5 m |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning substrate | Gravels | Lithophils |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning site preparation | Starts defending nesting territories as soon as they have moved on breeding grounds | No category |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning site preparation | Female seach and dig a nest | Susbtrate chooser |
| Oncorhynchus gorbuscha | Spawning conditions | Nycthemeral period of oviposition | Occur mainly at dusk and during darkness | Dusk |
| Oncorhynchus gorbuscha | Spawning conditions | Mating system | Many courting pairs are attended by a number of satellite males (up to ten), which join the pair in the nest when the eggs are finally shed | No category |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning release | Once a year | Total |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning release | An average of two (one to four) egg batches per nest containing about 500 eggs [Average depth at which eggs are buried is 20-30 cm] | Multiple |
| Oncorhynchus gorbuscha | Spawning conditions | Spawning release | Deposition of all eggs can occur between 1-8 days | No category |
| Oncorhynchus gorbuscha | Spawning conditions | Parity | Semelparous : died soon after the end of the spawning season | Semelparous |
| Oncorhynchus gorbuscha | Spawning conditions | Parental care | Nest construction and defence of territories appear to continue day and night | No category |
| Oncorhynchus keta | Egg | Egg size after water-hardening | Can reach 7.1-9.5 | 8.3 mm |
| Oncorhynchus keta | Egg | Temperature for incubation | Mortality increases significantly when temperatures are lower than 1.5°C during early development | 1.5 °C |
| Oncorhynchus keta | Egg | Degree-days for incubation | 400-600 | 500.0 °C * day |
| Oncorhynchus keta | Larvae | Initial larval size | 25-30 [Emerging fry !] | 27.5 mm |
| Oncorhynchus keta | Larvae | Reaction to light | Photonegative from day 6 to 25 after hatching, then photopositive | Photopositive |
| Oncorhynchus keta | Larvae | Full yolk-sac resorption | 700-1000 [from egg fertilization ?] | 850.0 °C * day |
| Oncorhynchus keta | Female | Absolute fecundity | 0.909-7.779 [average means 1.8-4.297 in Asia], 2.018-3.977 [average means 2.017-3.629 in North Amrica] | 4.34 thousand eggs |
| Oncorhynchus keta | Spawning conditions | Spawning migration distance | Migrations are generally short because the main spawning grounds are mostly in coastal streams not far from sea [However, in some systems, spawning has been observed as far as 2000 to 3000 km from the sea] | 3000.0 km |
| Oncorhynchus keta | Spawning conditions | Spawning migration period | Enter streams when temperatures drop to 15°C and the majority move upstream at temperatures from 10 to 12°C. Arrive on the spawning ground as early as July | ['July'] |
| Oncorhynchus keta | Spawning conditions | Homing | Return to the home river | Present |
| Oncorhynchus keta | Spawning conditions | Spawning season | July [Nothern and central areas], September to January [Southern areas] | ['January', 'July', 'September', 'October', 'November'] |
| Oncorhynchus keta | Spawning conditions | Spawning period duration | Spawn over a long seasonal period | No data |
| Oncorhynchus keta | Spawning conditions | Spawning water type | Prefer to spawn immediatly above turbulent areas, or where there is upwelling | Flowing or turbulent water |
| Oncorhynchus keta | Spawning conditions | Spawning depth | Average depth of nests ranges from 21.5 to 42.5 | 21.5 m |
| Oncorhynchus keta | Spawning conditions | Spawning substrate | Gravel : 0.5 to more than 3.1 | Lithophils |
| Oncorhynchus keta | Spawning conditions | Spawning site preparation | Female dig nest | Susbtrate chooser |
| Oncorhynchus keta | Spawning conditions | Mating system | One male and one female, female mate with several male. Males remain sexually active for 10-14 d | Monogamy |
| Oncorhynchus keta | Spawning conditions | Spawning release | 35% of eggs are deposited in the first nest and that the last few nests contain only one-half to one-quater of the number of eggsfind in the first [most females (>80%) completed spawning within 30-40 h after starting theri first nest | No category |
| Oncorhynchus kisutch | Egg | Oocyte diameter | 4.5-6 [Bigger than for most other Pacific salmon] | 5.25 mm |
| Oncorhynchus kisutch | Egg | Incubation time | 137 [In natural conditions with T ranging from 0-3.5°C] | 1.75 days |
| Oncorhynchus kisutch | Egg | Temperature for incubation | 4-11 [Optimal temperature] | 7.5 °C |
| Oncorhynchus kisutch | Larvae | Initial larval size | 30 [Emerging fry] | 30.0 mm |
| Oncorhynchus kisutch | Larvae | Larvae behaviour | After hatching, tha alevins move down into the gravel and then hold for several weeks [emergence primarily occur at night] | Demersal |
| Oncorhynchus kisutch | Female | Length at sexual maturity | 41-67 | 54.0 cm |
| Oncorhynchus kisutch | Female | Weight at sexual maturity | 3.0-5.5 | 4.25 kg |
| Oncorhynchus kisutch | Female | Absolute fecundity | 2-5 | 3.5 thousand eggs |
| Oncorhynchus kisutch | Male | Length at sexual maturity | 41-67 [average] | 54.0 cm |
| Oncorhynchus kisutch | Male | Weight at sexual maturity | 3.0-5.5 [average] | 4.25 kg |
| Oncorhynchus kisutch | Spawning conditions | Spawning season | Can last from October to March, but most populations spawn between November and January [Spawn over a longer period than other Pacific slamon] | ['January', 'February', 'March', 'October', 'November'] |
| Oncorhynchus kisutch | Spawning conditions | Spawning temperature | Usually between 6-12 [Ranging from 0.8-7.7 in Kamchatka and 5.6-13.3 in California] | 9.0 °C |
| Oncorhynchus kisutch | Spawning conditions | Spawning water type | Numerous small coastal streams, in large rivers, and in remote tributaries [water velocities vary from 18 to 76 cm/s] | Flowing or turbulent water |
| Oncorhynchus kisutch | Spawning conditions | Spawning depth | Range from 10 to 45 cm | 10.0 m |
| Oncorhynchus kisutch | Spawning conditions | Spawning substrate | Gravel [acceptable gravel substrate-size ranges are 1.310.2 cm, 3.8-12.7 cm, and 7.5-15.0 cm for different salmon-spawning streams] | Lithophils |
| Oncorhynchus kisutch | Spawning conditions | Spawning site preparation | Female prepared nets in area with ground water seepage at the head of a riffle | No category |
| Oncorhynchus kisutch | Spawning conditions | Spawning release | Eggs are buried at depths ranging from 18 to 39 cm and aredd can contain four to five egg pockets | No category |
| Oncorhynchus mykiss | Egg | Incubation time | 28-49 | 38.5 days |
| Oncorhynchus mykiss | Egg | Temperature for incubation | 7-12 = optimal temperature [Regimes of rising temperatures] | 9.5 °C |
| Oncorhynchus mykiss | Larvae | Larvae behaviour | Fry remain in the gravel for about 2 to 3 weeks after hatching before emerging from the gravel at night | Demersal |
| Oncorhynchus mykiss | Female | Age at sexual maturity | 3 | 3.0 year |
| Oncorhynchus mykiss | Female | Absolute fecundity | 0.2-12.7 [generally from 0.5-3.2, average =2] | 6.45 thousand eggs |
| Oncorhynchus mykiss | Male | Main spermatogenesis activity | 2 | No data |
| Oncorhynchus mykiss | Spawning conditions | Spawning season | January to July [Mainly from mid-April to June] | ['January', 'February', 'March', 'April', 'May', 'June', 'July'] |
| Oncorhynchus mykiss | Spawning conditions | Spawning temperature | From 4 to 13°C with a peak at 8°C | 4.0 °C |
| Oncorhynchus mykiss | Spawning conditions | Spawning water type | Spawning occurs in many small streams: cool, clear and well-oxygenated waters, with water velocities of 23-155 cm/sec | Flowing or turbulent water |
| Oncorhynchus mykiss | Spawning conditions | Spawning depth | Between 10 and 150 cm | 10.0 m |
| Oncorhynchus mykiss | Spawning conditions | Spawning substrate | Optimal gravel size range from 1.5-6 for spawners smaller than 50 cm and 1.5-10 forfemales larger than 50 cm | Lithophils |
| Oncorhynchus mykiss | Spawning conditions | Spawning site preparation | Nest building continues day and night and genrally the female gis several nests (two to five) in succession | No category |
| Oncorhynchus mykiss | Spawning conditions | Spawning release | Females lay about 800-1000 eggs in each nest pocket | No category |
| Oncorhynchus mykiss | Spawning conditions | Parity | Not all rainbow trout die after spawning [The trend toward repeat spawning increases from north to south] | Iteroparous |
| Oncorhynchus mykiss | Spawning conditions | Parental care | Female continues to stay over the redd site to further shape the gravel mound and to defend the area against other females [Female stellhead do not guard their redds after spawning and tend to leave the spawning area] | No care |
| Oncorhynchus nerka | Egg | Oocyte diameter | 5.3-6.6 | 5.95 mm |
| Oncorhynchus nerka | Larvae | Larvae behaviour | Alevins stay in the gravel for varying amounts of time after hatching and then ermge as fry from the gravel at night. Fry migration generally peas before midnight with sometimes a small peak before dawn | Demersal |
| Oncorhynchus nerka | Female | Weight at sexual maturity | 1.5-2 [Southern areas] and 2.5-3 [Nothern areas] | 1.75 kg |
| Oncorhynchus nerka | Female | Absolute fecundity | 2.2-2.4 [Average for sockeye], 5 [high in Kamchatka], 0.3-2 [low in small kokanee females] | 2.3 thousand eggs |
| Oncorhynchus nerka | Spawning conditions | Spawning migration period | Vary between populations : June July or later in the season | ['June', 'July'] |
| Oncorhynchus nerka | Spawning conditions | Homing | The homing ability of sockeye salmon is well documented and straying is genrally 2% or less | Present |
| Oncorhynchus nerka | Spawning conditions | Spawning season | Late summer [Nothern and central areas] and Autumn [More southern areas] | ['July', 'August', 'September', 'October', 'November', 'December'] |
| Oncorhynchus nerka | Spawning conditions | Spawning temperature | 20 [Upper limit, above which spawning will not occur] | 20.0 °C |
| Oncorhynchus nerka | Spawning conditions | Spawning site preparation | In the afternoon, females prepare the nest | No category |
| Oncorhynchus nerka | Spawning conditions | Nycthemeral period of oviposition | Actual spawning occur after darkness until about midnight | Night |
| Oncorhynchus nerka | Spawning conditions | Mating system | One couple defending a territory, salmon pairs tend to stay together for the total spawning period of about 7-9 d until the female has laid all the eggs | No category |
| Oncorhynchus nerka | Spawning conditions | Spawning release | Eggs are released in three to four times | No category |
| Oncorhynchus nerka | Spawning conditions | Parity | Nine to ten days after starting to spawn, male and female die | Semelparous |
| Oncorhynchus nerka | Spawning conditions | Parental care | When the female is spent, she contines to finish the redd and defends the area aginast females searching for nest sites and males that are passing by until she die | No category |
| Oncorhynchus tshawytscha | Egg | Oocyte diameter | 6.3-7.9 | 7.1 mm |
| Oncorhynchus tshawytscha | Egg | Temperature for incubation | 5.8-14.2 [lower temprature is 0.6°C and lower] | 10.0 °C |
| Oncorhynchus tshawytscha | Larvae | Initial larval size | 35-44 [Newly emerged fry] | 39.5 mm |
| Oncorhynchus tshawytscha | Larvae | Larvae behaviour | Inittially fry hide in the gravel and undr banks during daylight hours, then appear along open shorelines and finally move into higher velocity waters along the shore or farther in the sream | Demersal |
| Oncorhynchus tshawytscha | Female | Absolute fecundity | 2-17 wide mean range ! [ Average fecundity of female of the seame size (74 cm) can vary from 4.4 to 9.4] | 9.5 thousand eggs |
| Oncorhynchus tshawytscha | Male | Length at sexual maturity | 58-70 [Age 1.2] and 73-89 [Age 1.3] | 64.0 cm |
| Oncorhynchus tshawytscha | Spawning conditions | Spawning migration distance | From the tidal limit to locations over 1000 km | 1000.0 km |
| Oncorhynchus tshawytscha | Spawning conditions | Spawning migration period | Many river systems have salmon spawning runs that return at diffrent (one to three) times during a year | No data |
| Oncorhynchus tshawytscha | Spawning conditions | Spawning season | May to July and September to October : all year round | ['May', 'June', 'July', 'September', 'October'] |
| Oncorhynchus tshawytscha | Spawning conditions | Spawning period duration | Spawning times of females range from 5 to 14 days | 5.0 weeks |
| Oncorhynchus tshawytscha | Spawning conditions | Spawning water type | From large river system to small tributaries 2 to 3 m wide | No category |
| Oncorhynchus tshawytscha | Spawning conditions | Spawning depth | Several meters depth, but also only a few centimetres of water | No data |
| Oncorhynchus tshawytscha | Spawning conditions | Spawning substrate | Gravel : 1.3-5.1 [80% of the optimal gravel], full range 1.3-10.2 | Lithophils |
| Oncorhynchus tshawytscha | Spawning conditions | Spawning release | Fertilized eggs are buried under 20-60 cm of gravel, in several times | Multiple |
| Oncorhynchus tshawytscha | Spawning conditions | Parity | Most die after spawning, although some precocious males have been reported to survive | Semelparous |
| Oncorhynchus tshawytscha | Spawning conditions | Parental care | Female may defend the redd area against other females to 4 to 26 days | Female parental care |
| Salmo salar | Egg | Oocyte diameter | 5-7 | 6.0 mm |
| Salmo salar | Egg | Egg adhesiveness | Upon release in the water, they are adhesive for a short time | Adhesive |
| Salmo salar | Egg | Incubation time | 160 [1.1°C], 110 [3.9°C], 90 [7.2°C] | 160.0 days |
| Salmo salar | Egg | Temperature for incubation | Eggs incubate in the gravel during the winter | No data |
| Salmo salar | Larvae | Larvae behaviour | Benthic, the alevins hatch in March and April and the fry emergence from the gravel in May or June | Demersal |
| Salmo salar | Female | Female sexual dimorphism | Female change colour and shape :become tusty-brown on the sides and yellowish brown on th back and head | Present |
| Salmo salar | Female | Relative fecundity | 1.3-1.7 [average] | 1.5 thousand eggs/kg |
| Salmo salar | Male | Male sexual dimorphism | Male change colour and shape, the male more pronounced than female: become tusty-brown on the sides and yellowish brown on th back and head. The head of male elongates and the lower jaw becomes enlarged and develops a hook of kype | Present |
| Salmo salar | Spawning conditions | Homing | Return to their home river to spawn | Present |
| Salmo salar | Spawning conditions | Spawning season | October to November [Sometimes in September or until January] | ['January', 'September', 'October', 'November'] |
| Salmo salar | Spawning conditions | Spawning temperature | 4.4-5.6 [Preferred temperature] | 5.0 °C |
| Salmo salar | Spawning conditions | Spawning water type | Usually above or below a pool at the downstream end of riffles or upwellings of ground water | No category |
| Salmo salar | Spawning conditions | Spawning depth | Shallow, about 30 cm | 30.0 m |
| Salmo salar | Spawning conditions | Spawning substrate | Gravel | Lithophils |
| Salmo salar | Spawning conditions | Spawning site preparation | The female selects a suitable gournd, and then digs a nest of about 15 cm deep | Susbtrate chooser |
| Salmo salar | Spawning conditions | Mating system | By pair, one male and one female each time, but female mate with few males during the spawning season | Monogamy |
| Salmo salar | Spawning conditions | Spawning release | The spawning is repeated several times until all eggs have been released | Multiple |
| Salmo salar | Spawning conditions | Parity | Many atlantic salmon die after spawning but some may survive and return for spawning one or more times | Semelparous |
| Salmo salar | Spawning conditions | Parental care | Soon after the spawning act, the female covers the eggs with about 10-25 cm of gravel by gently digging in front of the nest | Female parental care |
| Salmo trutta fario | Larvae | Larvae behaviour | The alevins stay in the gravel until the yolk sac has almost been absorbed | Demersal |
| Salmo trutta fario | Female | Age at sexual maturity | 2-5 or 3-6 [Not well established] | 3.5 year |
| Salmo trutta fario | Spawning conditions | Spawning season | Late autumn to early winter | ['January', 'February', 'March', 'October', 'November', 'December'] |
| Salmo trutta fario | Spawning conditions | Spawning temperature | 6-9 but may as high as 12.8 | 7.5 °C |
| Salmo trutta fario | Spawning conditions | Spawning water type | Small streams at the head of riffle areas or on the downstream end of pools, where the gravel slopes upward [water freely flowing through the gravel and upwelling water, suitable velocities range from 15 to 90 cm/s] | Flowing or turbulent water |
| Salmo trutta fario | Spawning conditions | Spawning depth | 15-90 cm [Optimal depths are from 24-46 cm with the preferred depth arounf 31-32] | 52.5 m |
| Salmo trutta fario | Spawning conditions | Spawning substrate | Gravels: range : 0.3 to 10 cm with a preference for sizes 1 to 7 cm | Lithophils |
| Salmo trutta fario | Spawning conditions | Spawning site preparation | The female chooses the nest site and prepares the nest | No category |
| Salmo trutta fario | Spawning conditions | Mating system | The male courts the female while she is digging the nest and defends the nesting territory against intrundinf males. When the nest is finished, female and male simultaneously deposit ova and sperm during a short spawning act | No category |
| Salmo trutta fario | Spawning conditions | Spawning release | Several nests are generally completed in succession by the female during the spawning season before she is spent, with each nest containing a few hundred eggs | Multiple |
| Salmo trutta fario | Spawning conditions | Parental care | The female defends the redd against other females searching for a place to spawn | Male parental care |
| Salvelinus alpinus | Egg | Oocyte diameter | 3.2-5 | 4.1 mm |
| Salvelinus alpinus | Female | Age at sexual maturity | 4-11 [Far east], 6-10 [Alaska], 10-18 [Nortwest territories], 11-25 [Arctic islands] | 7.5 year |
| Salvelinus alpinus | Female | Length at sexual maturity | 30-45 [Far east], 45-60 [Alaska], 62-80 [Nortwest territories], 38-69.5 [Arctic islands] | 37.5 cm |
| Salvelinus alpinus | Female | Length at sexual maturity | 30 or smaller [Generally for non-anadramous arctic-charr] | 30.0 cm |
| Salvelinus alpinus | Female | Weight at sexual maturity | 0.84 [Far east], 0.9-2.0 [Alaska], 3.4 [Nortwest territories], 0.55-2.05 [Arctic islands] | 1.45 kg |
| Salvelinus alpinus | Female | Weight at sexual maturity | 1 [Generally for non-adramous arctic-charr] | 1.0 kg |
| Salvelinus alpinus | Spawning conditions | Spawning migration distance | Most fish travelled less than 25 km from their stream of origin, but some travel 100, 400, 500 and 940 away | 25.0 km |
| Salvelinus alpinus | Spawning conditions | Spawning migration period | The upstream migration begin in late July or early August, and peaks between mid-August and early September | ['July', 'August', 'September'] |
| Salvelinus alpinus | Spawning conditions | Homing | Homing is relatively strong and many return to the home stream for the first and subsequent spawnings | Present |
| Salvelinus alpinus | Spawning conditions | Spawning season | In autumn in either lakes or rivers. Non-migratory fish may spawn in lakes in autum and spring, but only in autum in rivers, September-October [Nothern regions], November-december [Southern regions] | ['April', 'May', 'June', 'September', 'October', 'November', 'December'] |
| Salvelinus alpinus | Spawning conditions | Spawning temperature | 2-7 | 4.5 °C |
| Salvelinus alpinus | Spawning conditions | Spawning water type | Current velocities range from 0.2 to 0.8 cm/sec | Flowing or turbulent water |
| Salvelinus alpinus | Spawning conditions | Spawning depth | 3-6 [up to 100 in european lakes] | 4.5 m |
| Salvelinus alpinus | Spawning conditions | Spawning substrate | Spawning substrate ranges from coarse sand to gravel with boulders [Sand botooms are utilisez when density of spawning fish is high or when gravel substrates are limited] | Lithophils |
| Salvelinus alpinus | Spawning conditions | Spawning site preparation | Female dig as many as 8 to 10 nests before all the eggs have been laid | Susbtrate chooser |
| Salvelinus alpinus | Spawning conditions | Nycthemeral period of oviposition | Spawning occurs primarily during the day | Day |
| Salvelinus alpinus | Spawning conditions | Mating system | The male may mate with several females during the spawning season | No category |
| Salvelinus alpinus | Spawning conditions | Spawning release | Females can release all the eggs over a period from 4 h to 3 d during which she can prepare ut to 8 nest pockets [Eggs can be buried under a layer of gravel 10-20 cm thick] | No category |
| Salvelinus alpinus | Spawning conditions | Parity | Either once a year or not every year [May only spawn two or three times, and at the most four times in a lifetime] | Iteroparous |
| Salvelinus fontinalis | Egg | Oocyte diameter | 3.5-5 | 4.25 mm |
| Salvelinus fontinalis | Egg | Temperature for incubation | Optimal temperature range from 4.5-11.5 | 8.0 °C |
| Salvelinus fontinalis | Egg | Degree-days for incubation | From 219 to 490 for temperatures of 1.5-6 | 3.75 °C * day |
| Salvelinus fontinalis | Female | Female sexual dimorphism | The female are less bright than males and have swollen abdomens full of ripening eggs | Present |
| Salvelinus fontinalis | Female | Absolute fecundity | Varies from 0.1 to 5 | 0.1 thousand eggs |
| Salvelinus fontinalis | Male | Male sexual dimorphism | Male developp a small kype on the lower jaw | Present |
| Salvelinus fontinalis | Spawning conditions | Spawning migration distance | Only make a few habitat changes during their life history [Do not migrate far from spawning grounds] | No data |
| Salvelinus fontinalis | Spawning conditions | Spawning season | Over most of the range, October is the usual time of spawing [Occurs in late summer (late August or September) in the nothern part of their rnage to early december in the southern part] | ['July', 'August', 'September', 'October'] |
| Salvelinus fontinalis | Spawning conditions | Spawning period duration | Males usually arrive first on the spawning ground | No data |
| Salvelinus fontinalis | Spawning conditions | Spawning temperature | Preferred temperature is from 4.5 to 10, and spawning does not occur above 16°C | 4.5 °C |
| Salvelinus fontinalis | Spawning conditions | Spawning water type | Typically spawn in streams or in gravel surronding sprin-up-welling areas of lakes and ponds | Stagnant water |
| Salvelinus fontinalis | Spawning conditions | Spawning substrate | Suitable spawning gravel range from 3 to 8 cm | Lithophils |
| Salvelinus fontinalis | Spawning conditions | Nycthemeral period of oviposition | Primarily during daytime | Day |
| Salvelinus fontinalis | Spawning conditions | Spawning release | During spawning, there are usually several extrusions of eggs and milt followed by resting periods before the nest is closed | Multiple |
| Salvelinus fontinalis | Spawning conditions | Parental care | Females become very aggressive during the post-spawinng period and defend the redd against possible intruders | No category |
| Salvelinus namaycush | Egg | Egg size after water-hardening | 3.7-6.8, with a mean of 5.0 [Size of ripe egg] | 5.25 mm |