Réf. Princ. | Vadas, Robert L., 1990 |
---|---|
Remarques | Inhabits rocky pools near riffles in clear, cool creeks and small to medium rivers. Sometimes occurs in lakes in northern part of range (Ref. 86798). Feeds on filamentous algae, diatoms and desmids; insects constituted most of the animal matter in the diet (Ref. 50685). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrat | Hard Bottom: rocky; |
---|---|
Substrate Ref. | Page, L.M. and B.M. Burr, 2011 |
Habitats spéciaux | |
Special habitats Ref. |
Réf. | |
---|---|
Associations | |
Associé avec | |
Remarques sur les associations | |
Parasitisme |
Type de prise alimentaire | plants/detritus+animals (troph. 2.2-2.79) |
---|---|
Feeding type Ref. | Flemer, D.A. and W.S. Woolcott, 1966 |
Habitude alimentaire | variable |
Feeding habit Ref. | Jenkins, R.E. and N.M. Burkhead, 1993 |
Estimation method | Échantillon original | Population non pêchée | Remarque | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
À partir du régime alimentaire | 2.75 | 0.16 | 2.44 | 0.16 | Troph of adults from 2 studies. |
À partir des éléments alimentaires | 2.87 | 0.34 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Réf. | Keast, A., 1968 |