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Cypriniformes (Carps) >
Danionidae (Danios) > Rasborinae
Etymology: Trigonostigma: Greek, tres, tria = three + Greek, gonias= angle, corner + Greek stigma = signal.
Eponymy: Heinrich Espe was a dealer in ornamental fish. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; pH range: 6.0 - 6.5; dH range: ? - 12. Tropical; 23°C - 28°C (Ref. 13371)
Asia: Thailand and Cambodia.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL hane/ej könsbestämd; (Ref. 30857)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Lambchop-shaped black blotch on caudal peduncle.
Occurs in ponds, pools, marshes and swamps with heavy growth of submerged aquatic plants (Ref. 12693).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00390 - 0.02036), b=3.02 (2.82 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).