Trigonostigma heteromorpha   (Duncker, 1904)

Harlequin rasbora
Catalog of Fishes (gen., sp.) | ITIS | CoL
Classification
Actinopterygii | Cypriniformes | Cyprinidae
Synonyms
Common names
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Main reference
Size / Weight / Age
Max length : 5.0 cm TL male/unsexed; (Ref. 13061)
Environment
Benthopelagic; freshwater; pH range: 5.0 - 7.0; dH range: 5 - 12
Climate / Range
Tropical; 22°C - 25°C (Ref. 1672)
Distribution
Asia: Thailand (Narathiwat southwards) to Sumatra, Indonesia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
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).
Biology
    Glossary (e.g. epibenthic)
Inhabits forest streams (Ref. 13061). Found in primary peat swamps in larger than 100 fish (Ref. 57235). Feeds on worms, crustaceans and insects (Ref. 7020). Eggs spawned at the underside of broad leaves and similar structures (Ref. 38434). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539). Previously known as "Rasbora" but revised as separated genus by Kottelat & Witte (1999) (Ref. 57235).
IUCN Red List Status (Ref. 57073)
Threat to humans
  Harmless
Human uses
Aquarium: highly commercial
More information
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Estimation of some characteristics with mathematical models
Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5625
Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Vulnerability (Ref. 59153)
Price category (Ref. 80766)
Low vulnerability (10 of 100)

Entered by Torres, Armi G.
Modified by Ortañez, Auda Kareen