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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); rhotheus: rhotheus -- rushing of the torrent, referring to habitat (Ref. 1998).
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar dasar (demersal). Temperate; 52°N - 42°N
North America: upper Fraser River drainage in British Columbia in Canada to Nehalem River in Oregon, USA (including Columbia River drainage of British Columbia in Canada, and Washington, Idaho, Montana and Oregon in the USA).
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 15.5 cm TL jantan/; (Ref. 1998); common length : 6.8 cm TL jantan/; (Ref. 12193)
Duri punggung (Keseluruhan (total)) : 7 - 9; duri punggung lunak (Keseluruhan (total)) : 15 - 18; Sirip dubur lunak: 11 - 14.
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).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00345 - 0.02005), b=3.16 (2.98 - 3.34), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 3.4 ±0.45 se; based on food items.
Daya lenting (Acuan
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Fec=448).
Kerentanan Penangkapan Ikan (Ref.
59153): Low vulnerability (10 of 100).
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