Actinopterygii (ray-finned fishes) > Osmeriformes
(Smelts) > Microstomatidae
Etymology: antarctica: Named for its region of occurrence.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 0 - 4145 m (Ref. 58018). Temperate
Southern Ocean: circum-Antarctic in sub-Antarctic water.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm SL male/unsexed; (Ref. 5001)
Morphology | Morphometrics
The largest specimen studied, 20.75 cm SL had matured ovaries with developing eggs (Ref. 5123).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gon, O., 1990. Microstomatidae. p. 105-106. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5001)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 1.7 - 6.4, mean 2.8 (based on 679 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [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
): 3.3 ±0.4 se; Based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (17 of 100) .