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); anoderkes: Named for its upward-looking eyes. More on authors: Chernova & Stein.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 0 - 2036 m (Ref. 51661). Deep-water
Eastern Pacific: northeast of Isla Guadalupe, Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.7 cm SL (female)
Morphology | Morphometrics
Vertebrae: 42. Skin pale, peritoneum blackish-brown, mouth and gill cavity pale. Coronal pore present. Mouth strongly oblique, angle 73-75°. Eyes very small, 14% HL. Branchial cavity large with ventrolateral part prominent, covering base of pectoral fin. Gill rakers unmodified. Pectoral fin insertion low, almost horizontal (Ref. 43481).
Caught between 0 and 2000 m depth over 3900 m depth. Assumed to be bathydemersal (Rainer Froese, pers. comm.).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chernova, N.V. and D.L. Stein, 2002. Ten new species of Psednos (Pisces, Scorpaeniformes: Liparidae) from the Pacific and North Atlantic oceans. Copeia 2002(3):755-778. (Ref. 43481)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 5.2 - 11.5, mean 7.9 (based on 58 cells).
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
): 3.1 ±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) .