| Réf. principale | Maitland, P.S. and R.N. Campbell, 1992 |
|---|---|
| Remarques | Inhabits cold, well-oxygenated waters of rivers, lakes and reservoirs (Ref. 30578). Anadromous (Ref. 5951). Feeding effort in juveniles is directed toward sub-surface, invertebrate drift (Ref. 28091). It is preyed upon by eels, white perch, yellow perch, chain pickerel, eastern belted kingfisher and American merganser (Ref. 5951). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrat | |
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| Substrat Réf. | |
| Habitats spéciaux | |
| Habitats particuliers Réf. |
| Réf. | |
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| Associations | |
| Associé avec | |
| Remarques sur les associations | Parasites of the species include 22 protozoans, 7 myxosporidians, 5 monogeneids, 28 trematodes, 14 cestodes, 21 nematodes, 7 acanthocephalans, 2 leeches, 1 branchiurid (Argulus and 8 copepods (Ref. 5951). |
| Parasitisme |
| Type de prise alimentaire | mainly animals (troph. 2.8 and up) |
|---|---|
| Type d'alimentation Réf. | Maitland, P.S. and R.N. Campbell, 1992 |
| Habitude alimentaire | hunting macrofauna (predator) |
| Habitudes alimentaires Réf. | Maitland, P.S. and R.N. Campbell, 1992 |
| Estimation method | Échantillon original | Population non pêchée | Remarque | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| À partir du régime alimentaire | 3.31 | 0.00 | 3.16 | 0.42 | Troph of juv./adults from 1 study. |
| À partir des éléments alimentaires | 3.74 | 0.56 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Réf. | Maitland, P.S. and R.N. Campbell, 1992 | ||||