Thryssocypris smaragdinus Roberts & Kottelat, 1984
Thryssocypris smaragdinus
photo by Roberts, T.R.

 Family:  Cyprinidae (Minnows or carps), subfamily: No subfamily
 Max. size:  5.4 cm SL (male/unsexed)
 Environment:  demersal
 Distribution:  Asia: western Borneo, Indonesia.
 Diagnosis:  Dorsal soft rays (total): 9-10; Anal soft rays: 12-14; Vertebrae: 38-39. Most readily distinguished from its only congener, T. tonlesapensis, by much larger head, larger eye, larger pharyngeal bone and fewer anal fin rays, scales and vertebrae. Anal fin origin on a vertical with dorsal fin origin (versus anal fin origin far in advance of dorsal fin origin in T. tonlesapensis). Snout tip projects strongly beyond upper jaw, thus differing strikingly from T. tonlesapensis, in which it projects but very slightly. However, in one paratype of T. smaragdinus, the snout tip projects little more than in T. tonlesapensis.
 Biology: 
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Casal, Christine Marie V. - 02.05.96

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