Harlequin rasbora (Trigonostigma heteromorpha) fish species and information / pictures of Harlequin rasbora - Trigonostigma heteromorpha

Harlequin rasbora (Trigonostigma heteromorpha) fish species information

Scientific Name
Trigonostigma heteromorpha

Common Name
Harlequin rasbora

Biology
Color pattern reddish, pinkish or orange body with a conspicuous black stripe from below dorsal-fin origin to middle of caudal-fin base and usually broadened anteriorly so as to have a triangular or hatched shape. Incomplete lateral line reduced to 6-9 pores. No barbels. Branched anal rays, 5 (Ref. 38434).

Classification

Classified By

Duncker, 1904

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

Asia

Distribution

Asia: Thailand (Narathiwat southwards) to Sumatra, Indonesia.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

25 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 5.0 - 7.0; dH range: 5 - 12 benthopelagic

Trophic Level

3.27 s.e. 0.40 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

5.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: highly commercial

Vulnerability

Low vulnerability (10 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