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Argentiniformes (Marine smelts) >
Bathylagidae (Deep-sea smelts)
Etymology: Bathylagichthys: Greek, bathys = deep + Greek, lagos = hare + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 0 - 400 m (Ref. 33679). Deep-water; 33°S - 42°S
Southeast Atlantic to western Indian Ocean.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.2 cm SL male/unsexed; (Ref. 33679)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 12 - 13; Anal soft rays: 13; Vertebrae: 42. Branchiostegal rays 4. Greatest body depth 18-23% SL. Pyloric caeca 8-10 (Ref. 41239). Roundish swim bladder. Radial pattern absent on operculum. Gill rakers on the inner surface of epibranchial absent on the first gill arch. Pectorals extending far beyond the origin of the dorsal fin. Base of dorsal fin longer than anal fin base (Ref. 33679).
Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Kobylyanskiy, S.G., 1985. Material for the revision of the genus Bathylagus Gunther (Bathylagidae): the group of "light" deepsea smelts. J. Ichthyol. 25(2):1-17. (Ref. 33679)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 13.4 - 17.5, mean 14.8 °C (based on 87 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).