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Betta hipposideros  Ng Kottelat, 1994,,

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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) > Macropodusinae
Etymology: Betta: Siamese local name of the fish "ikan bettah".   More on author: Kottelat.

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 7.8 cm SL male/unsexed; (Ref. 13093)

Short description Morphology | Morphometrics

Dorsal spines (total): 1; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 28. Differs from Betta chloropharynx in the following characters: horseshoe-shaped black throat mark (vs. µ-shaped black throat mark); presence of both dorsal and caudal transverse bars (vs. absence); more subdorsal scales (mode 6 1/2 vs. 5-6). It is distinguished from Betta renata in the following characters: horseshoe-shaped black throat mark (vs. kidney-shaped); non-spotted opercle (vs. spotted opercle); opercle with yellow or brown lower margin (vs. black margin); fewer postdorsal scales (mode 12 vs. 9 1/2); more anal fin rays (mode 30 vs. 29); more lateral scales (mode 32 vs. 31). Can be differentiated from Betta spilotogena in the following characters: horseshoe-shaped black throat mark ((vs. black median spot); non-spotted opercle (vs. spotted opercle); opercle with yellow or brown lower margin (vs. back margin); presence of both dorsal and caudal transverse bars (vs. absence); and more subdorsal scales (mode 6 1/2 vs. 5 1/2) (Ref. 56386).

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

Asia: known from Selangor and Perak in Malaysia. Its range extends to Riau Archipelago, Indonesia (Ref. 56386).

Biology     Glossary (e.g. epibenthic)

Occurs in backwater peat swamps with substrate usually peat and leaf litter. Large fish are found in the flowing sections of the blackwater streams and smaller ones appear to prefer pools and slower flowing waters.

Main reference Upload your references | References | Coordinator | Collaborators

Ng, P.K.L. and M. Kottelat, 1994. Revision of the Betta waseri species group (Teleostei: Belontiidae). Raffles Bull. Zool. 42(3):593-611.

IUCN Red List Status (Ref. 90363)

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01120 (0.00513 - 0.02445), b=3.04 (2.87 - 3.21), based on all LWR estimates for this BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±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) .
Price category (Ref. 80766):   Unknown.