Kerr and Grant, 1999


Citation

Kerr, S.J. and Grant, R.E. (1999) Ecological impacts of fish introductions: Evaluating the risk.
Fish and Wildlife Branch, Ontation Ministry of Natural Resources

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Pimephales promelas Egg Egg adhesiveness Eggs are adhesive Adhesive
Pimephales promelas Egg Incubation time 4.5-6 at 25°C 5.25 days
Pimephales promelas Egg Temperature for incubation 25 25.0 °C
Pimephales promelas Egg Degree-days for incubation 120-140 [4.5-6 days at 25°C] 130.0 °C * day
Pimephales promelas Larvae Initial larval size 5 5.0 mm
Pimephales promelas Larvae Larvae behaviour Newly hatched fry are translucent Demersal
Pimephales promelas Female Age at sexual maturity Females may mature in second summer 2.0 year
Pimephales promelas Spawning conditions Spawning season May or June until August ['May', 'June', 'July', 'August']
Pimephales promelas Spawning conditions Spawning period duration 10-12 [From late May and ends sometimes in August] 11.0 weeks
Pimephales promelas Spawning conditions Spawning temperature 15-18, 14.4-18.3, 15.6-28.9 16.5 °C
Pimephales promelas Spawning conditions Spawning depth 0.6-0.9 m deep 0.75 m
Pimephales promelas Spawning conditions Spawning substrate Eggs are laid on the underside of a rock, branch or log, also on stems of hardstem bulrush Lithophils
Pimephales promelas Spawning conditions Spawning site preparation Males construct nest No category
Pimephales promelas Spawning conditions Nycthemeral period of oviposition Spawning usually takes place at night, but will spawn during daylight hours Day
Pimephales promelas Spawning conditions Spawning release Fractional spawner Fractional
Pimephales promelas Spawning conditions Parental care Males guard nest Male parental care
Esox masquinongy Egg Egg Buoyancy Fertilized eggs drop into the vegetation No category
Esox masquinongy Spawning conditions Spawning migration period Move to spawning sites at temperatures from 8.3-9.0°C No data
Esox masquinongy Spawning conditions Homing Reproductive homing to the same spawning area from year to year is reported Present
Esox masquinongy Spawning conditions Spawning season Spring spawner, spawns shortly after ice has melted in late April or early May ['April', 'May', 'June']
Esox masquinongy Spawning conditions Spawning temperature 9.4-15, other authors: 8-10.5°C; 7.8-13°C; 12.8 optimal 12.2 °C
Esox masquinongy Spawning conditions Spawning water type Usually spawn at either the upper or lower ends of low gradient pools No category
Esox masquinongy Spawning conditions Spawning depth Water 38-51 cm in depth [Sometimes up to 3 meters deep] 44.5 m
Esox masquinongy Spawning conditions Spawning substrate Spawning activity usually occurs in heavily vegetated flooded areas No category
Esox masquinongy Spawning conditions Spawning site preparation Fertilized eggs are scattered at random Open water/substratum scatter
Esox masquinongy Spawning conditions Mating system Adults pair off at spawning time, usually one large female with one ot two smaller males No category
Esox lucius Egg Egg adhesiveness Adhesive eggs scattered over vegetation stick to the stems of plants Adhesive
Esox lucius Egg Incubation time 12-14 [At 10°C], but 4-5 [17.8-20.0°C] 13.0 days
Esox lucius Larvae Initial larval size 7-9.8 8.4 mm
Esox lucius Larvae Larvae behaviour Attached to vegetation, the sac fry remain inactive for 6-10 days until the yolk is absorbed Demersal
Esox lucius Larvae Temperature during larval development 26°C for maximum larval growth 26.0 °C
Esox lucius Female Female sexual dimorphism Female pike tend to live longer and attain heavier weights than male fish Absent
Esox lucius Spawning conditions Homing The degree of homing instinct to previously used spawning sites is unclear for this species Present
Esox lucius Spawning conditions Spawning season Spring spawner, spawning commences shortly after ice-out but can sometimes occur before ice melts ['April', 'May', 'June']
Esox lucius Spawning conditions Spawning temperature 4.4-12°C, but generally 9°C [The start of spawning period usually coincides with the period of peak run-off when water temperatures are approximately 4.4°C, the spawning period ends when water temperature reach 13°C) 8.2 °C
Esox lucius Spawning conditions Spawning water type Small tributary streams, marshes to adjacent to lakes or in shallow, weedy days of larger lakes or rivers Stagnant water
Esox lucius Spawning conditions Spawning depth Are usually no deeper than 178 mm but can be up to 450 mm deep 178.0 m
Esox lucius Spawning conditions Spawning substrate Optimal substrate is flooded vegetation, preferably grasses and sedges Phytophils
Esox lucius Spawning conditions Spawning site preparation Random spawner No category
Esox lucius Spawning conditions Mating system One or two smaller males pair up with one larger, mature female No category
Esox lucius Spawning conditions Spawning release A single female may spawn over a period of several days Multiple
Esox lucius Spawning conditions Parity Can be long-lived reaching at least 24 or 25 years No category
Esox lucius Spawning conditions Parental care Provides no parental care for eggs or young No care
Ambloplites rupestris Egg Incubation time 3-4 3.5 days
Ambloplites rupestris Spawning conditions Spawning season Late spring and early summer ['April', 'May', 'June', 'July', 'August', 'September']
Ambloplites rupestris Spawning conditions Spawning temperature 16-21; 15.6; 15.6-21.1 and 20.6-23.3 18.5 °C
Ambloplites rupestris Spawning conditions Spawning depth 50-75 cm in depth 62.5 m
Ambloplites rupestris Spawning conditions Spawning substrate Sand or gravel bottom, swamps, gravels shoals, coarse sand or gravel bottom Lithophils
Ambloplites rupestris Spawning conditions Spawning site preparation Male clear shawllow depression up to 0.6 m in diameter No category
Ambloplites rupestris Spawning conditions Mating system Individulas may spawn in different nests with different mates No category
Ambloplites rupestris Spawning conditions Parental care Males guard eggs and fry Male parental care
Lepomis gibbosus Egg Incubation time 3 3.0 days
Lepomis gibbosus Larvae Larvae behaviour Newly hatched inhabit nearshore open water areas Demersal
Lepomis gibbosus Spawning conditions Spawning season Late spring, early summer ['April', 'May', 'June', 'July', 'August', 'September']
Lepomis gibbosus Spawning conditions Spawning temperature 20, 18.9-21.1 20.0 °C
Lepomis gibbosus Spawning conditions Spawning water type Shallow water of ponds, lakes, slow-moving streams close to shore Stagnant water
Lepomis gibbosus Spawning conditions Spawning depth Shallow waters: 20.3-40.6 cm or 15.2-30.5 cm or 15.2-45.7 30.45 m
Lepomis gibbosus Spawning conditions Spawning substrate Aquatic vegetation with clay, sand or gravel bottom Lithophils
Lepomis gibbosus Spawning conditions Spawning site preparation Nest diameter usually two times length of the male No category
Lepomis gibbosus Spawning conditions Mating system Males and females may spawn more than once during the spanwing season No category
Lepomis gibbosus Spawning conditions Parental care Males guard nest and fry Male parental care
Micropterus dolomieui Egg Egg adhesiveness Eggs are adhesive in nature and stick to the nest substrate Adhesive
Micropterus dolomieui