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Arabian blackspot threadfin (Polydactylus mullani) fish species and information / pictures of Arabian blackspot threadfin - Polydactylus mullani

Arabian blackspot threadfin (Polydactylus mullani) fish species information

Scientific Name
Polydactylus mullani

Common Name
Arabian blackspot threadfin

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 12-13; Anal spines: 3; Anal soft rays: 11 - 12; Vertebrae: 24. With 7 pectoral filaments; uppermost extending well beyond posterior tip of pectoral fin. Pectoral fin rays 19-22% of SL; all rays branched except uppermost 1 or 2. Well-developed swim bladder. A large black spot anteriorly on lateral line (Ref. 40958).

Classification

Classified By

Hora, 1926

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfins (Polynemidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: Arabian Sea.

Range

26°N - 15°S, 59°E - 74°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

14 m

Depth To - meters

115 m

Zone

pelagic-oceanic

Environment

Marine; pelagic-oceanic; depth range 14 - 115 m (Ref. 40958)

Trophic Level

3.89 s.e. 0.66 Based on food items.

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

19.0 cm

Common Length

Unknown 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: highly commercial

Vulnerability

Low vulnerability (15 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