Trichogaster lalius  (Hamilton, 1822)

Dwarf gourami
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Trichogaster lalius
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Osphronemidae (Gouramies) > Luciocephalinae
Etymology: Trichogaster: Greek, thrix = hair + Greek, gaster = stomach (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 6.0 - 8.0; dH range: 5 - 19.   Tropical; 25°C - 28°C (Ref. 2060)

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 8.8 cm TL male/unsexed; (Ref. 1479)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Pakistan, India and Bangladesh. This is the smallest and most popular of the small gouramis which have been widely distributed outside its native range (Ref. 1739).

Biology     Glossary (e.g. epibenthic)

Inhabits slow moving streams, rivulets and lakes with plenty of vegetation (Ref. 41236). Aquarium keeping: minimum aquarium size 60 cm (Ref. 51539).

Main reference Upload your references | References | Coordinator | Collaborators

Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam. (Ref. 4833)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: highly commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Fec=600 eggs (Ref. 1672)).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Price category (Ref. 80766):   Unknown.