Betta macrostoma Regan, 1910

Spotfin betta

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Osphronemidae \| Macropodusinae
Synonyms	... more
Common names	Palettitaistelija, 大口抟鱼, Augenfleck-Kampffisch, ... more

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Image of Betta macrostoma (Spotfin betta)

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Main reference

Kottelat, M., A.J. Whitten, S.N. Kartikasari and S. Wirjoatmodjo. 1993. (Ref. 7050)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 6.7 cm SL male/unsexed; (Ref. 56613)

Environment

Benthopelagic; freshwater; pH range: 4.4 - 5.7; dH range: ? - 10

Climate / Range

Tropical; 24°C - 26°C (Ref. 2060)

Asia: Borneo.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0 - 1; Dorsal soft rays (total): 9 - 11; Anal spines: 0 - 1; Anal soft rays: 24 - 27; Vertebrae: 31 - 32. Differs from other member of the Betta unimaculata group by possessing the following combination of characters: dorsal fin ocellus; body red in color; caudal fin with transverse black and red bands; opercle with large red blotch in mature male; vertebrae 31-32 (mode 32); dorsal-fin rays 9-11 (mode 10); anal-fin rays 25-28 (mode 27); pectoral-fin rays 13-14; lateral scales 32-33 (mode 33); subdorsal scales 6-8 (mode 7); predorsal scales 21-24 (mode 23); predorsal length 62.3-66.7% SL; head length 30.4-33.3% SL; anal-fin base length 43.2-49.2% SL; dorsal-fin base length 12.2-15.7% SL; lower jaw length 38.0-54.0% HL (Ref. 56613).

Inhabits shallow (about 30 cm deep) near stagnant pools along stream bed with substrate consisting of clay (Ref. 56613). Occurs also in waterfalls with fast flowing clear water; occupies small pools in tributaries and quiet pools along the main confluence of the river (Ref. 56613). A mouth brooder (Ref. 56613).


IUCN Red List Status (Ref. 57073)	Threat to humans
Vulnerable (VU) (D2)	Harmless

Human uses
Aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

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)	Not marketed/unknown

Entered by Sa-a, Pascualita

Modified by Torres, Armi G.

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Page last modified by : elaxamana, 15 July 2009

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