Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Agonidae
(Poachers) > Bathyagoninae
Etymology: Bathyagonus: Greek, bathys = deep + Greek, gonos, gone = birth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 18 - 1290 m (Ref. 50610), usually 400 - 700 m (Ref. 56575). Boreal; 1°C - 4°C (Ref. 56575); 62°N - 34°N, 157°E - 120°W (Ref. 57305)
North Pacific: Komandorski Island and Avachin Bay, Russia through the Aleutian chain to north of St. Mathew Island in the Bering Sea (Ref. 6793) and Eureka, northern California, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.2 cm TL male/unsexed; (Ref. 56575); common length : 20.0 cm TL male/unsexed; (Ref. 56575); max. reported age: 9 years (Ref. 56575)
(total): 6 - 8;
soft rays: 7 - 9. Caudal rounded; lower 4 or 5 rays of pectorals thicker but membrane reaching nearly to ends; pelvic fins reduced (Ref. 6885). Light brown on dorsal surface, dusky light brown on ventral surface; dark blue on ventral surface of head; all fins very dark (Ref. 6885).
Found on soft bottoms (Ref. 2850).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kanayama, T., 1991. Taxonomy and phylogeny of the family Agonidae (Pisces: Scorpaenifomes). Mem. Fac. Fish. Hokkaido Univ. (38)1-2:1-199. (Ref. 28197)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 3.2 - 5.2, mean 3.6 (based on 56 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00149 - 0.01013), b=3.11 (2.88 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (35 of 100) .