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Littlescale threadfin (Polydactylus oligodon) fish species and information / pictures of Littlescale threadfin - Polydactylus oligodon

Littlescale threadfin (Polydactylus oligodon) fish species information

Scientific Name
Polydactylus oligodon

Common Name
Littlescale threadfin

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 13

Classification

Classified By

G?nther, 1860

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfins (Polynemidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: southern Florida to Santos, Brazil. Not occurring in the Gulf of Mexico and western Caribbean Sea.

Range

29°N - 25°S, 81°W - 34°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; brackish; demersal

Trophic Level

3.67 s.e. 0.62 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

46.0 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 to moderate vulnerability (27 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated