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); pallidus: Named for its body color which is pale. More on authors: Chernova & Stein.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 0 - 2000 m (Ref. 43481). Deep-water
Eastern Central Pacific: off central Baja California, Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.1 cm TL male/unsexed; (Ref. 43481)
Morphology | Morphometrics
Vertebrae: 43. Body including peritoneum and all internal organs entirely pale. Coronal pore present. Mouth slightly oblique, 20-25° to horizontal; premaxilla reaching behind posterior margin of eye. Eye approximately 18% HL. Gill rakers paired, spinule plate at tip longitudinally oval, spinules with rounded tips; in a converging double row of 8-9 spinules each. Abdomen short, preanal fin length 35% SL (Ref. 43481).
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. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 5.2 - 11.5, mean 7.9 (based on 57 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00207 - 0.01059), b=3.19 (2.99 - 3.39), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .