Anonymous, 2006 Chapter 3



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Associated characteristics


Species Development state Trait Primary Data Secondary Data
Perca flavescens Spawning conditions Nycthemeral period of oviposition Spawning takes place in the night or early in the morning Ambiguous
Ictalurus punctatus Spawning conditions Parental care After spawning, the male guards the nest for several days Male parental care
Perca flavescens Spawning conditions Spawning substrate Usually near rooted vegetation, fallen trees, or brush Phytophils
Sander vitreus Spawning conditions Spawning substrate Rocky areas Lithophils
Coregonus clupeaformis Spawning conditions Spawning substrate Over rocky, hard, or sandt susbtrate Ambiguous
Ictalurus punctatus Spawning conditions Spawning substrate Spawning occurs in natural nests such as undercut banks, muskrat burrows, containers, or submerged logs No category
Sander vitreus Spawning conditions Spawning site preparation They do not fan nests like other similar species, but instead broadcast eggs over oepn ground, which reduces their ability to survive environmental stresses Open water/substratum scatter
Alosa sapidissima Spawning conditions Spawning temperature Beginning when water temperatures reach 13 to 15°C, and ending when they exceed 27°C 13.0 °C
Perca flavescens Spawning conditions Spawning temperature 6.7-12.2°C 9.45 °C
Sander vitreus Spawning conditions Spawning temperature 5.6-11.1°C 8.35 °C
Ictalurus punctatus Spawning conditions Spawning temperature 24-29°C 26.5 °C
Morone chrysops Spawning conditions Spawning period duration Spawing bouts can last from 5 to 10 days 5.0 weeks
Alosa sapidissima Spawning conditions Spawning water type in their native coastal habitats, alewifes spawn in the upper reaches of coastal rivers, in slow-flowing sections of slightly brackish or freshwater. Flowing or turbulent water
Sander vitreus Spawning conditions Spawning water type White water or shoals of lakes Stagnant water
Alosa sapidissima Spawning conditions Spawning depth Shallow, water less than 2 m 2.0 m
Morone chrysops Spawning conditions Spawning depth Adults typically spawn near the surface, and eggs are fertilized as they sink to the bottom No data
Coregonus clupeaformis Spawning conditions Spawning depth Shallow water at depth of less than 7.6 m 7.6 m
Perca flavescens Female Female sexual dimorphism Females generally grow faster than males and reach a greater final length Absent
Sander vitreus Female Female sexual dimorphism Females tend to grow faster than males Absent
Morone chrysops Egg Incubation time Eggs hatch within 46 hours at 15.6°C 46.0 days
Perca flavescens Egg Incubation time 8-10 9.0 days
Sander vitreus Egg Incubation time 12-18 15.0 days
Coregonus clupeaformis Egg Incubation time About 140 days 140.0 days
Ictalurus punctatus Egg Incubation time 7-10 8.5 days
Coregonus clupeaformis Female Relative fecundity Estimated at 16.1 eggs per pound of fish 16.1 thousand eggs/kg
Alosa sapidissima Female Age at sexual maturity 3-4 [Males] 3.5 years
Perca flavescens Female Age at sexual maturity 1 [Males] 1.0 years
Sander vitreus Female Age at sexual maturity 2-4 [Males] 3.0 years
Coregonus clupeaformis Female Age at sexual maturity Reach at 2 [Not specified] 2.0 years
Ictalurus punctatus Female Age at sexual maturity 5-8 [Not specified] 6.5 years
Morone chrysops Egg Temperature for incubation 15.6 15.6 °C
Coregonus clupeaformis Egg Temperature for incubation 0.6-6.1 is the optimal temperature 3.35 °C
Alosa sapidissima Spawning conditions Spawning migration distance During spawning season, they move to shallower inshore waters to spawn No data
Perca flavescens Spawning conditions Spawning migration distance Move to shallower water to spawn No data
Coregonus clupeaformis Egg Egg size after water-hardening Increase up to 3.2 mm after 24 hours in the water 3.2 mm
Alosa sapidissima Egg Egg Buoyancy In coastal habitats, females lay demersal eggs No category
Morone chrysops Egg Egg Buoyancy Eggs are fertilized as they sink to the bottom Semi-Pelagic
Perca flavescens Egg Egg Buoyancy The egg cases are semi-buoyant and attach to submerged vegetation or occasionally to the bottom Ambiguous
Alosa sapidissima Egg Oocyte diameter 0.8-1.27 1.035 mm
Morone chrysops Egg Oocyte diameter 0.8 0.8 mm
Sander vitreus Egg Oocyte diameter 1.4-2.1 1.75 mm
Coregonus clupeaformis Egg Oocyte diameter Initially 2.3 in diameter 2.3 mm
Ictalurus punctatus Egg Oocyte diameter 3-4 3.5 mm
Alosa sapidissima Female Absolute fecundity 60-300 180.0 thousand eggs
Morone chrysops Female Absolute fecundity 565 565.0 thousand eggs
Perca flavescens Female Absolute fecundity 8.618-78.741 43.6795 thousand eggs
Sander vitreus Female Absolute fecundity 48 to 614 48.0 thousand eggs
Ictalurus punctatus Female Absolute fecundity 4-35 19.5 thousand eggs
Alosa sapidissima Spawning conditions Spawning season Spring No data
Morone chrysops Spawning conditions Spawning season Spawning takes place in May, and may extend into June ['May', 'June']
Perca flavescens Spawning conditions Spawning season Spring No data
Sander vitreus Spawning conditions Spawning season Spring and early summer ['August', 'July', 'September']
Coregonus clupeaformis Spawning conditions Spawning season Spawn in the autumn, usually in November and December ['October', 'November', 'December']
Ictalurus punctatus Spawning conditions Spawning season Late spring and early summer ['April', 'May', 'September', 'August', 'June', 'July']
Alosa sapidissima Female Length at sexual maturity 28.4-30.8 [Female] 29.6 cm
Morone chrysops Female Length at sexual maturity On average, adults are between 25.4 to 35.6 cm 25.4 cm
Alosa sapidissima Male Length at sexual maturity 26.5-27.8 27.15 cm
Alosa sapidissima Larvae Initial larval size Larvae hatch at a size of approximatively 2.5-5.0 mm 3.75 mm
Perca flavescens Larvae Initial larval size 4.1-5.5 4.8 mm
Sander vitreus Larvae Initial larval size 6.0-8.6 7.3 mm
Coregonus clupeaformis Larvae Initial larval size About 12 mm at 1 week 12.0 mm
Ictalurus punctatus Larvae Initial larval size 6.4 6.4 mm
Morone chrysops Larvae Larvae behaviour Pelagic Pelagic
Perca flavescens Larvae Larvae behaviour Pelagic [are inactive for about 5 days until the yolk is absorbed] Demersal
Ictalurus punctatus Larvae Larvae behaviour Remain near the nest for a few days than disperse to shallow water Demersal
Alosa sapidissima Female Age at sexual maturity 4-5 [Female] 4.5 year
Morone chrysops Female Age at sexual maturity Most bass mature at 3 [Not specified] 3.0 year
Perca flavescens Female Age at sexual maturity 2-3 [Female] 2.5 year
Sander vitreus Female Age at sexual maturity 3-6 [Females] 4.5 year
Coregonus clupeaformis Female Age at sexual maturity Reach at 2 [Not specified] 2.0 year
Ictalurus punctatus Female Age at sexual maturity 5-8 [Not specified] 6.5 year
Alosa sapidissima Spawning conditions Parity Although alewifes generally do not die after spawning, the fluctuating temperatures that the adults are exposed to when they move to inshore waters often results in mortality due to osmotic stress. In some years, temperature changes caused by upwelling may result in a massive die-off of spawning alewifes Semelparous
Morone chrysops Spawning conditions Parity May live up to 7 years No category
Perca flavescens Spawning conditions Parity Have been reported to live up to 11 years No category