Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino; salobre demersal; rango de profundidad 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.
Tamaño / Peso / Edad
Madurez: Lm ? range ? - ? cm
Max length : 22.0 cm TL macho / no sexado; (Ref. 7251)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 8 - 9; Radios blandos dorsales (total) : 14 - 17; Espinas anales: 0; Radios blandos anales: 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).
Body shape (shape guide): elongated.
Found on rocky bottoms among algae (Ref. 4698). Benthic (Ref. 58426). Feeds on small benthic amphipods (Ref. 4698).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | 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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Temperatura preferida (Referencia
123201): 0.1 - 7.8, mean 1.1 °C (based on 532 cells).
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00290 - 0.01252), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.4 ±0.52 se; based on food items.
Resiliencia (Referencia
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (12 of 100).
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