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Lake blackhand paradise fish (Polynemus melanochir dulcis) fish species and information / pictures of Lake blackhand paradise fish - Polynemus melanochir dulcis

Lake blackhand paradise fish (Polynemus melanochir dulcis) fish species information

Scientific Name
Polynemus melanochir dulcis

Common Name
Lake blackhand paradise fish

Biology
Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 11 - 12. Head and body grayish-black dorsally, pale whitish-yellow ventrally. Snout long, strongly pointed (7% of SL). Pectoral filaments 7, the last probably the longest. Upper caudal fin lobe short (34-35% of SL). Swim bladder absent (Ref. 43351).

Classification

Classified By

Motomura & Sabaj P?rez, 2002

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfins (Polynemidae)

Distribution

Region

Asia

Distribution

Asia: endemic to Lake Tonle Sap, Cambodia.

Range

Unknown

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

Freshwater; demersal

Trophic Level

3.59 s.e. 0.54 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

13.5 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = No PD50 data many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (11 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