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Teleostei (teleosts) > Carangaria/misc (Various families in series Carangaria) > Polynemidae (Threadfins)
Etymology: Polydactylus: Greek, poly = a lot of + greek, daktylos = finger (Ref. 45335).
More on author: Cuvier.

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

Marine; freshwater; brackish; demersal; depth range 15 - 55 m (Ref. 10799). Tropical; 22°N - 5°S, 26°W - 13°E (Ref. 57343)

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

Eastern Atlantic: Senegal to Angola (Ref. 57402). Also reported from Mauritania (Ref. 55783).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 200 cm TL male/unsexed; (Ref. 57402); common length : 150 cm TL male/unsexed; (Ref. 3659); max. published weight: 75.0 kg (Ref. 7386)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 12-13; Anal spines: 3; Anal soft rays: 11 - 12. Diagnosis: pectoral fin with 4 threadlike filaments (Ref. 57402, 81658). Pectoral fin inserted very low on body, generally somewhat longer than upper part of fin (Ref. 57402).

Occurs in shallow coastal waters, over sandy and muddy bottoms, sometimes in brackish habitats (Ref. 57343, 81658). Enters estuaries (Ref. 57402), occasionally caught in fresh water (Ref. 57402, 81658). Very large specimens are only found in marine waters (Ref. 81658). Feeds on crustaceans and fishes (Ref. 10799, 81658). Flesh fairly tasteful (Ref. 57402).

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

Main reference Upload your references | References | Coordinator | Collaborators

Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)

IUCN Red List Status (Ref. 126983)

Least Concern (LC) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: commercial; gamefish: yes

FAO - Fisheries: landings; Publication: search | FishSource | Sea Around Us

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Internet sources

Polydactylus quadrifilis (Cuvier, 1829)