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Betta cracens Tan & Ng, 2005 |
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photo by
JJPhoto |
| Family: | Osphronemidae (Gouramies), subfamily: Macropodusinae | |||
| Max. size: | 5.74 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; pH range: 5.8 | |||
| Distribution: | Asia: Sumatra, Indonesia. | |||
| Diagnosis: | Dorsal spines (total): 0-1; Dorsal soft rays (total): 8-9; Anal spines: 1-2; Anal soft rays: 26-27; Vertebrae: 31-32. Body depth at dorsal-fin origin 21.2-24.2% SL; anal-fin rays 27-29 (mode); lateral scales 32-33 (mode 33); thin dark blue edge on anal fin in male and female; predorsal length 65.0-67.1% SL; and head length 30.8-31.7% SL (Ref. 56386). | |||
| Biology: | Inhabits freshwater swamp forest (Ref. 56386). | |||
| IUCN Red List Status: | Critically Endangered (CR); Date assessed: 05 January 2019 (B2ab(iii)) Ref. (130435) | |||
| Threat to humans: | harmless | |||