Betta ferox is a species of gourami endemic to Thailand. It is only found in rivers in Songkhla Province, where it resides along shallow riverbanks among vegetation.[1] This species grows to a length of 6.3 centimetres (2.5 in) SL.[2][3] This species is closely related to Betta pugnax and is also a paternal mouthbrooder. Males and females are dimorphic, with males displaying elongated ventral fins, elongated caudal fins, and green coloration on the gill plates. Females typically display two horizontal brown bars across their bodies, shorter fins, and a more rounded body shape.

Betta ferox
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Anabantiformes
Family: Osphronemidae
Genus: Betta
Species:
B. ferox
Binomial name
Betta ferox
Schindler. and Schmidt, 2006

References

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  1. ^ a b Low, B.W. (2019). "Betta ferox". IUCN Red List of Threatened Species. 2019: e.T181208A91307935. doi:10.2305/IUCN.UK.2019-2.RLTS.T181208A91307935.en. Retrieved 20 November 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.). "Betta ferox". FishBase. February 2014 version.
  3. ^ Schindler, Ingo & Jürgen Schmidt (2006). "Review of the mouthbrooding Betta (Teleostei, Osphronemidae) from Thailand, with descriptions of two new species" (PDF). Zeitschrift für Fischkunde. 8 (1/2): 47–69. Archived from the original (PDF) on 2014-03-22. Retrieved 2013-06-06.