Family: |
Nemacheilidae (Brook loaches) |
Max. size: |
7 cm SL (male/unsexed) |
Environment: |
demersal; freshwater |
Distribution: |
Asia: Western Mongolia. |
Diagnosis: |
Dorsal spines (total): 3-3; Dorsal soft rays (total): 7-7; Anal spines: 2-3; Anal soft rays: 5-6; Vertebrae: 39-42. Distinguished from its congeners in having skin densely covered with wart-like epidermal tubercles developed in both sexes at all the ontogenetic stages; 4 pectoral bony radials of distinct shape; anterior and posterior nares closely spaced; occipital canal interrupted, with 2+2 pores; caudal peduncle laterally compressed and shorter than the head; well-developed free air-bladder portion in the abdominal cavity; intestine long and spirally coiled; anterior fontanelle in the skull; 3 basibranchials and 2 pairs of infrapharyngobranchials in the branchial apparatus; epural considerably shortened, the pads of the breeding tubercles are weakly-developed in the preorbital region of the mature males (Ref. 57977). |
Biology: |
A moderately small species, found mature at 68-70 mm SL (Ref. 57977). |
IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
Threat to humans: |
harmless |
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