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Betta rubra Perugia, 1893 Toba betta |
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photo by
JJPhoto |
| Family: | Osphronemidae (Gouramies), subfamily: Macropodusinae | |||
| Max. size: | 5 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | Asia: Indonesia. | |||
| Diagnosis: | Dorsal spines (total): 0-2; Dorsal soft rays (total): 7-8; Anal spines: 2-3; Anal soft rays: 24-26; Vertebrae: 28-29. Body with 5-7 irregular dark vertical bars; opercle with a pair of vertical parallel reddish bars; presence of broad chin-bar, merging with anterior part of second postorbital stripe, forming a triangular dark mark below eye; anal-fin rays 27-29; lateral scales 28 1/2-30; total length 131.6-142.3% SL; caudal peduncle depth 13.1-16.3% SL; body depth at dorsal-fin origin 23.2-27.1% SL; pelvic fin length 28.1-38.4% SL; dorsal-fin base length 9.6-12.5% SL; interorbital width 6.3-9.9% SL (Ref. 56386). | |||
| Biology: | Found in peat swamps (Ref. 93059). Bubble nest builder (Ref. 4537). | |||
| IUCN Red List Status: | Endangered (EN); Date assessed: 26 December 2018 (B1ab(iii,v)) Ref. (130435) | |||
| Threat to humans: | harmless | |||