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Atlantic threadfin (Polydactylus octonemus) fish species and information / pictures of Atlantic threadfin - Polydactylus octonemus

Atlantic threadfin (Polydactylus octonemus) fish species information

Scientific Name
Polydactylus octonemus

Common Name
Atlantic threadfin

Biology
Occurs on sand or mud bottoms and on beaches, especially on the surf (Ref. 57343).

Classification

Classified By

Girard, 1858

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfins (Polynemidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: New York and along the coast to the western coast of Yucat?n, Mexico (Ref. 57343). Some authors report this species as occurring throughout northern South America (Ref. 5217).

Range

42°N - 18°N, 98°W - 71°E

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

5 m

Depth To - meters

66 m

Zone

demersal

Environment

Marine; demersal; depth range 5 - 66 m (Ref. 32117), usually 5 - 16 m (Ref. 32117)

Trophic Level

3.6 s.e. 0.61 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

33.0 cm

Common Length

25.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Low vulnerability (16 of 100)

Resilience

High, minimum population doubling time less than 15 months (tm

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated