Environment: milieu / climate zone / depth range / distribution range
Ekologi
laut; payau dasar (demersal); kisaran kedalaman 0 - 280 m (Ref. 117245). Polar; 83°N - 49°N, 142°E - 45°W (Ref. 117245)
Arctic: to James Bay and Straits of Belle Isle in Canada and Greenland.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 22.0 cm TL jantan/; (Ref. 7251)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 8 - 9; duri punggung lunak (Keseluruhan (total)) : 14 - 17; Duri dubur: 0; Sirip dubur lunak: 11 - 13. Caudal fin rounded. Upper parts blackish-brown (paler in females), flanks with dark cross-bands (fainter in males, which have dark bordered white or silvery irregular spots under pectoral fins and above anal fin); breast and belly with dark spots in males and broad white band on reddish orange from pelvic base to anus; lower lip spotted in males (dark in females); pelvic fins with 2-3 dark cross-bands; pectoral rays blackish-brown in males, the membrane with 4-5 transverse rows of translucent spots (some light bands in females); white blotches or stripes on dorsal and anal fins (Ref. 4698).
Found on rocky bottoms among algae (Ref. 4698). Benthic (Ref. 58426). Feeds on small benthic amphipods (Ref. 4698).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Status IUCN Red List (Ref. 130435: Version 2024-2)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Preferred temperature (Ref.
123201): 0.1 - 7.8, mean 1.1 °C (based on 532 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00281 - 0.01234), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.52 se; based on food items.
Daya lenting (Ref.
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
