Animalia > Chordata > Actinopterygii > Scorpaeniformes > Cottidae > Cottus > Cottus asper
 

Cottus asper (Bullhead; Prickly bullhead; Prickly sculpin)

Synonyms: Centridermichthys asper; Centridermichthys parvus; Cottopsis asper; Cottopsis parvus; Trachidermus richardsonii
Language: Danish; French; Haida; Mandarin Chinese

Wikipedia Abstract

Cottus asper is a species of fish in the sculpin family known by the common name prickly sculpin. It is native to the river drainages of the Pacific Slope of North America from Seward, Alaska south to the Ventura River of Southern California. It extends east of the Continental Divide in the Peace River of British Columbia. It has also been introduced to several reservoirs in Southern California.
View Wikipedia Record: Cottus asper

Attributes

Adult Length [1]  12 inches (30 cm)
Brood Dispersal [1]  In a nest
Brood Egg Substrate [1]  Speleophils (cavity generalist)
Brood Guarder [1]  Yes
Litter Size [1]  10,980
Maximum Longevity [1]  7 years
Migration [2]  Catadromous
Diet [2]  Carnivore
Female Maturity [1]  2 years

Protected Areas

Prey / Diet

Cottus asper (Bullhead)[3]
Oncorhynchus gorbuscha (humpbacked salmon)[3]
Oncorhynchus keta (Calico salmon)[3]
Oncorhynchus nerka (sockeye salmon or kokanee)[3]

Predators

Cottus asper (Bullhead)[3]
Mergus merganser (Common Merganser)[4]
Ptychocheilus oregonensis (Seatrout)[3]

Consumers

Range Map

Distribution

Alaska (USA); America, North - Inland waters; Canada; Fraser; Nearctic; North America: Pacific slope drainages from Seward, Alaska to Ventura River, California, USA; also east of Continental Divide in upper Peace River in British Columbia, Canada. Exhibits coastal and inland forms that are genetically distinct (Ref. 27547).; USA (contiguous states);

External References

Photos

Citations

Attributes / relations provided by
1Frimpong, E.A., and P. L. Angermeier. 2009. FishTraits: a database of ecological and life-history traits of freshwater fishes of the United States. Fisheries 34:487-495.
2Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
3Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
4Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Forage species in predator diets: synthesis of data from the California Current. Ecological Informatics 29(1): 45-56. Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Data from: Forage species in predator diets: synthesis of data from the California Current. Dryad Digital Repository.
5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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