Actinopteri (ray-finned fishes) > Argentiniformes
(Marine smelts) > Bathylagidae
Etymology: Bathylagoides: Greek, bathys = deep + Greek, lagoides = similar to a hare (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 25 - 1130 m (Ref. 96339), usually - m (Ref. ). Deep-water; 0°C - ; 45°N - 21°N, 126°W - 109°W
Eastern Pacific: California Current region from Oregon, USA to southern Baja California.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.5 cm SL male/unsexed; (Ref. 96339)
Morphology | Morphometrics
soft rays: 13 - 17;
Vertebrae: 43 - 47. Slender body, narrowed toward the end of caudal peduncle. Maximum depth slightly behind the pectoral fin base. Caudal peduncle short and narrow. Pectorals short, far from reaching origin of dorsal fin. Radial pattern of operculum present. Few gill rakers on the inner surface of epibranchial of first gill arch (Ref. 33679).
Oviparous, with planktonic eggs and larvae (Ref. 35604). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hubbs, C.L., W.I. Follett and L.J. Dempster, 1979. List of the fishes of California. Occasional Papers of the California Academy of Sciences, San Francisco, California, USA, No. 133, 51 p. (Ref. 7182)
IUCN Red List Status (Ref. 124695)
Threat to humans
Estimates based on models
Preferred temperature (Ref. 115969
): 6.9 - 9.9, mean 7.9 °C (based on 15 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00205 - 0.01282), b=3.00 (2.79 - 3.21), 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. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (40 of 100) .