Actinopteri (ray-finned fishes) > Argentiniformes
(Marine smelts) > Bathylagidae
Etymology: Lipolagus: Greek, lipos = fat + Greek, lagos = hare (Ref. 45335); ochotensis: ochotensis which means bearing ears (Ref. 6885)
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 930 - 6100 m (Ref. 50550), usually - m (Ref. ). Deep-water; 0°C - ; 66°N - 36°S, 135°E - 114°W
Northwest Pacific: Suruga Bay in Japan, Sea of Okhotsk (Ref. 6885) and the Bering Sea. Northeast Pacific: off British Columbia, Canada to northern Baja California, Mexico (Ref. 6885). Southwest Pacific: Australia (Ref. 7300).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.3 cm TL male/unsexed; (Ref. 80637)
soft rays: 13 - 16. Body slender and compressed. Anal fin base slightly shorter than dorsal fin base or caudal peduncle. Eye diameter longer than snout. dorsal end of gill slit reaching above midline of side of body. Traces of detached scales are not marked. Branchiostegal rays: 2 (Ref. 35604).
Oviparous. With planktonic eggs and larvae (Ref. 35604). Adults generally within mesopelagic depths (Ref. 96339).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 1.6 - 2.4, mean 1.8 °C (based on 915 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00293 - 0.01241), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.0 se; based on diet studies.
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) .