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Gastromyzon ocellatus Tan & Ng, 2004 Eyespotted Borneo sucker |
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photo by
JJPhoto |
| Family: | Gastromyzontidae (Hillstream loaches) | |||
| Max. size: | 4.53 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: southern Sarawak, Malaysia. | |||
| Diagnosis: | Dorsal soft rays (total): 8-9; Anal soft rays: 5-5; Vertebrae: 30-31. Distinguished from its congeners in having the following unique combination of characters: body dark brown, dorsum with 7-8 cream bars, side with bars complete or interrupted to form an ocellus pattern, head dorsum dark brown with cream spots and blotches; caudal fin red when live; lack of secondary rostrum; lack of a postoral pouch; gill slit angular, subopercular groove present and continuous to pectoral fin origin; a rounded snout when viewed dorsally; presence of sublacrimal groove; abdomen without scales; 56-61 scales on lateral line; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping anal fin origin (Ref. 55025). | |||
| Biology: | Inhabits fast flowing rocky streams (Ref. 84801). Syntopic with Gastromyzon ctenocephalus (Ref. 55025). | |||
| IUCN Red List Status: | Near Threatened (NT); Date assessed: 31 December 2018 (B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)) Ref. (130435) | |||
| Threat to humans: | harmless | |||