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Teleostei (teleosts) > Polymixiiformes (Beardfishes) > Polymixiidae (Beardfishes)
Etymology: Polymixia: Greek, poly = a lot of + Greek, myxos = mucus (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic; depth range 190 - 670 m (Ref. 10919). Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northeast Pacific: East China Sea.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 14.2 cm SL male/unsexed; (Ref. 10919)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 5; Dorsal soft rays (total): 29 - 32; Anal spines: 4; Anal soft rays: 14 - 16; Vertebrae: 29.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 11 October 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators

Ecology
Ecology

Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance

Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics

Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
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Anatomy
Gill area
Brain
Otolith

Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)

Genetics
Genetics
Heterozygosity
Heritability

Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.

Outreach
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Taxonomy
Common names
Synonyms
Morphology
Morphometrics
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References
References

Tools

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Internet sources

Estimates based on models

Preferred temperature (Ref. 123201): 0.8 - 17, mean 11.2 °C (based on 48 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01096 (0.00502 - 0.02394), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.8 ±0.4 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 (10 of 100).

Price category (Ref. 80766): Unknown.

Polymixia longispina Deng, Xiong & Zhan, 1983