Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 620 - 1600 m (Ref. 51661). Deep-water; 47°S - 59°S
Southern Ocean. Three subspecies are recognized by Andriashev (2003): Paraliparis thalassobathyalis thalassobathyalis from Banzare and Elan banks at Kerguelen Plateau, Heard Island, and Crozet Islands at 620 - 1,600 meters; Paraliparis thalassobathyalis meteorensis, common at Meteor Seamount at 800 - 1100 meters; and an unnamed one found west of South Georgia Island, Shag Rocks at 620-635 meters.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.5 cm SL male/unsexed; (Ref. 5196)
Morphology | Morphometrics
soft rays: 44 - 46;
Vertebrae: 56 - 59. This species is characterized by the following: simple teeth with lateral cusps; gill rakers 4-6; not approximated chin pores; small opercular opening, equal or larger than diameter of pupil; small opercular lobe; pectoral fin with distinct notch; head 20-23%, anteanal distance 38-42% SL. Colour of peritoneum and stomach black (Ref. 44814).
Eggs measures 2.5-3 mm diameter (Ref. 11892).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Stein, D.L. and A.P. Andriashev, 1990. Liparididae. p. 231-255. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5196)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 1.9 - 2.3, mean 2.1 °C (based on 15 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00235 - 0.01172), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).