Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Liparidae
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); microstomus: Name from Greek 'mikros' for small, and 'stoma' for mouth, referring to the small mouth of the species.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 1158 - 1230 m (Ref. 92437). Deep-water
Southwest Pacific: Northwest of New Zealand.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.4 cm SL (female)
Morphology | Morphometrics
soft rays: 37;
Vertebrae: 46. This species is distinguished by the following characters: vertebrae 46, dorsal fin rays 43; A approx. 37; small mouth with upper jaw ca. 26% HL, its angle 70-80°; mandibular teeth small, simple sharp canines; premaxillary teeth tiny, irregularly arranged, near symphysis only; opercular flap small, gill opening short; body not humpbacked, spine straight (Ref. 92437).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Stein, D.L., 2012. A review of the snailfishes (Liparidae, Scorpaeniformes) of New Zealand, including descriptions of a new genus and sixteen new species. Zootaxa 3588:1-54. (Ref. 92437)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00217 - 0.00962), 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
): 3.2 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .