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Betta akarensis  Regan, 1910

Akar betta
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Betta akarensis
No image available for this species;
drawing shows typical fish in this Family.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinoptérygiens (poissons à nageoires rayonnées) > Perciformes (Perch-likes) > Osphronemidae (Gouramies) > Macropodusinae
Etymology: Betta: Siamese local name of the fish "ikan bettah".   More on author: Regan.

Environnement / Climat / Gamme Écologie

; eau douce benthopélagique; pH range: 5.5 - 6.8; dH range: ? - 12.   Tropical; 21°C - 27°C (Ref. 2059), preferred ?

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Asia: Borneo.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm TL mâle / non sexé; (Ref. 7050)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 1; Rayons mous dorsaux (Total): 7-8; Épines anales 1-2; Rayons mous anaux: 26 - 28; Vertèbres: 31 - 32. Differs from other members of the species group by the following combination of characters: opercle with uninterrupted second postorbital stripe; yellow eye when live; anal fin rays 28-30 (mode 28); subdorsal scales 5-6 (mode 5); lateral scales 31-33 (mode 32); predorsal scales 22-25 (mode 23); postdorsal scales 10-12 (mode 11); preanal length 43.4-48.5% SL; head length 29.8-34.9% SL; anal fin base length 49.6-56.8% SL (Ref. 55025).

Biologie     Glossaire (ex. epibenthic)

Occurs in habitats ranging from peat swamp forest to acid water swamp forest (Ref. 55025). Normally found in a more stagnant sections of streams among the submerged leaf litter and overhanging bank vegetation (Ref. 55025). Mouth brooder (Ref. 55025)

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

A paternal mouth brooder, exhibiting the typical egg exchange between female and male. After the nuptial embrace, the female picks up the fertilized egg from the male's curved body, proceeds to transfer the eggs to the male for oral brooding by spitting out the eggs and the male gulps the eggs into its buccal sac. Male sometimes rejects the eggs, but the female continues spitting and gulping the eggs until the male finally accepts. This process continues until all the fertilized eggs have been transferred, then another bout of egg laying occurs with the whole procedure repeated.

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Kottelat, M., A.J. Whitten, S.N. Kartikasari and S. Wirjoatmodjo, 1993. Freshwater fishes of Western Indonesia and Sulawesi. Periplus Editions, Hong Kong. 221 p. (Ref. 7050)

Statut dans la liste rouge de l'IUCN (Ref. 115185)

  Non évalué 

CITES (Ref. 94142)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

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

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