Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; tiefenbereich 69 - 170 m (Ref. 43939). Polar
North Pacific: southeastern Bering Sea and central Aleutian Islands to northern Gulf of Alaska.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 7.4 cm TL Männchen/unbestimmt; (Ref. 43939)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 6 - 7; Rückenflossenweichstrahlen (insgesamt) : 10 - 11; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 9 - 10. Head and body covered with tubercles smaller than pupil, some with rosettes of short spines protruding and others concealed, forming bumps. Few or no spiny tubercles on throat. First dorsal fin covered with thick skin (Ref. 43939).
Found on sand, broken shell and gravel bottoms (Ref. 43939).
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson, 2002. Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
Download XML
Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 3.4 - 5.7, mean 4.4 °C (based on 49 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00774 - 0.05639), b=3.03 (2.79 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
