dcsimg

Morphology

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Dorsal spines (total): 7 - 9; Dorsal soft rays (total): 15 - 18; Analsoft rays: 11 - 14
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Recorder
Armi G. Torres
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Trophic Strategy

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Inhabits rubble and gravel riffles of rivers and rocky lake shores. Individuals up to 5 cm feed on planktonic crustaceans and aquatic insect larvae especially that of midges and mayflies (Ref. 1998). Larger sculpins feed on minnows and other fishes (Ref. 1998).
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Pascualita Sa-a
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Biology

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Inhabits rubble and gravel riffles of rivers and rocky lake shores. Individuals up to 5 cm feed on planktonic crustaceans and aquatic insect larvae especially that of midges and mayflies (Ref. 1998). Larger sculpins feed on minnows and other fishes (Ref. 1998). Possibly spawns in June (Ref. 1998).
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Rainer Froese
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Torrent sculpin

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The torrent sculpin (Cottus rhotheus) is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. It is found in the United States and Canada, inhabiting upper Fraser River drainage in British Columbia to the Nehalem River in Oregon (including the Columbia River drainage of British Columbia, Washington, Idaho, Montana and Oregon. It reaches a maximum length of 15.5 cm.[2] It prefers swift waters of small to large rivers with stable gravel or rubble bottoms, and rocky lake shores.

References

  1. ^ NatureServe (2013). "Cottus rhotheus". IUCN Red List of Threatened Species. 2013: e.T202667A15361348. doi:10.2305/IUCN.UK.2013-1.RLTS.T202667A15361348.en. Retrieved 12 November 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2014). "Cottus rhotheus" in FishBase. February 2014 version.
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Torrent sculpin: Brief Summary

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The torrent sculpin (Cottus rhotheus) is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. It is found in the United States and Canada, inhabiting upper Fraser River drainage in British Columbia to the Nehalem River in Oregon (including the Columbia River drainage of British Columbia, Washington, Idaho, Montana and Oregon. It reaches a maximum length of 15.5 cm. It prefers swift waters of small to large rivers with stable gravel or rubble bottoms, and rocky lake shores.

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