Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Liparidae
Etymology: Paraliparis: Greek, para = the side of + Greek, liparis = fat (Ref. 45335); costatus: From the Latin costa meaning rib, in reference to the unusual development of epineural and epipleural ribs in this species. More on authors: Stein, Chernova & Andriashev.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 1042 - 1370 m (Ref. 42734). Deep-water
Eastern Indian Ocean: west coast of Tasmania, Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.4 cm SL male/unsexed; (Ref. 42734); 23.5 cm SL (female)
Morphology | Morphometrics
soft rays: 56 - 57;
Vertebrae: 70 - 71. Caudal-fin rays 8; pectoral fin-notch moderately deep, dividing fin into 2 distinct lobes; pectoral girdle with 4 radials; snout high, blunt, and large; nasal pores widely spaced, chin pores not in a pit and without skin fold anteriorly; anterior 7-8 epineural and epipleural ribs straight, elongated, thickened; keel-like lateral ridge protruding along and above anterior part of abdominal cavity; gill opening lower end below eye level; head 19.3-19.8% SL; preanal length about 40% SL; body black; orobranchial cavity black-dotted to black; peritoneum black (Ref. 42734).
Found on the continental slope. Benthic (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Stein, D.L., N.V. Chernova and A.P. Andriashev, 2001. Snailfishes (Pisces: Liparidae) of Australia, including descriptions of thirty new species. Rec. Aust. Mus. 53:341-406. (Ref. 42734)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2 - 4.5, mean 3.5 °C (based on 7 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00221 - 0.00989), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.6 ±0.5 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
): Low to moderate vulnerability (34 of 100) .