Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Cyprinidae
(Minnows or carps) > Danioninae
Etymology: Trigonostigma: Greek, tres, tria = three + Greek, gonias= angle, corner + Greek stigma = signal.
Environment / Climate / Range
Freshwater; benthopelagic; pH range: 6.0 - 6.5; dH range: ? - 12. Tropical; 23°C - 28°C (Ref. 13371)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL male/unsexed; (Ref. 30857)
Lambchop-shaped black blotch on caudal peduncle.
Asia: Thailand and Cambodia.
Occurs in ponds, pools, marshes and swamps with heavy growth of submerged aquatic plants (Ref. 12693).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Spawning occurs in shallow water of 15-20cm of depth (Ref. 1672).
Kottelat, M. and K.E. Witte, 1999. Two new species of Microrasbora from Thailand and Myanmar, with two new generic names for small Southeast Asian cyprinid fishes (Teleostei: Cyprinidae). J. South Asian Nat. Hist. 4(1):49-56. (Ref. 38434)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00326 - 0.01685), b=3.04 (2.85 - 3.23), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .