Pseudecheneis immaculata Chu, 1982
photo by Zhu, T.-B.

Family:  Sisoridae (Sisorid catfishes), subfamily: Glyptosterninae
Max. size:  10.4 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: Lancangjiang River (Mekong) in Yunnan Province, China.
Diagnosis:  Dorsal soft rays (total): 7-8; Anal soft rays: 10-11; Vertebrae: 35-35. Can be differentiated from all other members of the Pseudecheneis by the absence of yellow spots or patches on the body (vs. presence). Differs from all congeners except Pseudecheneis longipectoralis in having longer pectoral fin, reaching to pelvic fin base (vs. not reaching); and distinguished from Pseudecheneis longipectoralis in having a longer caudal peduncle (28.2-32.9% SL vs. 24.9-28.2). Premaxillary tooth band semicircular with 2 or 4 teeth along outer edge; body covered with dense, tubercles distributed uniformly, some longitudinal tubercles among rounded tubercles; vertebrae 35 (Ref. 74729). Description: dorsal fin rays ii, 5-6; anal fin rays iii,7-8; pectoral fin rays i12-13; pelvic fin rays i5 (Ref. 74729).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 29 July 2010 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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