Actinopterygii (ray-finned fishes) > Polymixiiformes
(Beardfishes) > Polymixiidae
Etymology: Polymixia: Greek, poly = a lot of + Greek, myxos = mucus (Ref. 45335). More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 18 - 585 m (Ref. 58302). Deep-water
Indo-Pacific: East Africa to the Hawaiian Islands, north to Japan, south to Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 47.5 cm SL male/unsexed; (Ref. 10919)
Benthic (Ref. 58302). Inhabits sandy and muddy areas (Ref. 9137).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Heemstra, P.C., 1986. Polymixiidae. p. 432. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 6624)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of potential interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 12.7 - 26.6, mean 19.3 (based on 438 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00294 - 0.01416), b=3.08 (2.89 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.0 ±0.67 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4).
Vulnerability (Ref. 59153
): High to very high vulnerability (69 of 100) .