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Perciformes/Cottoidei (Sculpins) >
Agonidae (Poachers) > Bathyagoninae
Etymology: Bathyagonus: Greek, bathys = deep + Greek, gonos, gone = birth (Ref. 45335); alascanus: Named after the type locality, Alaska (Ref. 6885).
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale; distribuzione batimetrica 18 - 252 m (Ref. 2850). Temperate; 62°N - 42°N, 178°W - 120°W (Ref. 57303)
Eastern Pacific: Bering Sea coast of Alaska to the Oregon-California border, USA.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL maschio/sesso non determinato; (Ref. 2850)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 5 - 8; Raggi dorsali molli (totale) : 5 - 7; Spine anali: 0; Raggi anali molli: 6 - 8. Dorsal fins moderately developed and placed fairly close together; caudal rounded; anal fin originating about halfway below interspace between dorsal fins; pectoral fins with lower 5 0r 6 rays extending well beyond membrane; pelvic fins reduced (Ref. 6885). Greenish gray to light brown on dorsal surface, very light brown on ventral surface; 5 or 6 dark brown saddle-like markings across back and on sides; dark brown bars on dorsal and caudal fins; paired fins light (Ref. 6885).
Inhabits rocky areas (Ref. 2850).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 3.2 - 7.9, mean 4.9 °C (based on 215 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).