Actinopteri (ray-finned fishes) > Polymixiiformes
(Beardfishes) > Polymixiidae
Etymology: Polymixia: Greek, poly = a lot of + Greek, myxos = mucus (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 19 - 435 m (Ref. 10919). Deep-water
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.5 cm SL male/unsexed; (Ref. 10919); max. published weight: 183.50 g (Ref. 121526)
Morphology | Morphometrics
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kotlyar, A.N., 1993. A new species of the genus Polymixia (Polymixiidae, Beryciformes) from the Kyushu-Palau submarine ridge and notes on the other members of the genus. J. Ichthyol. 33(3):30-49. (Ref. 10919)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 13.8 - 26.1, mean 21.8 °C (based on 75 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00385 - 0.01244), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for species & Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 4.0 ±0.7 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.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (19 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .