Mustura arenaria
Mustura arenaria Lyu, Lin & Chen, 2026
Mustura arenaria
photo by Lyu, J.-B. et al., 2026

Family:  Nemacheilidae (Brook loaches)
Max. size:  3.95 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: Myanmar.
Diagnosis:  Dorsal soft rays (total): 8-8; Anal soft rays: 5-5. This species is distinguished from its congeners by the following set of characters: 7-15 lateral blotches alternating with 9-17 saddles, distinctly narrower than interspaces; blotches more elongated in females and more rounded in males; two dark stripes extending from snout tip to the anterior dorsum of eye, forming an 'X' pattern, but not fused; a pair of blotches surrounding the fontanel, extending from posterior dorsal of eye to nape, and forming a triangle marking; 8½ branched dorsal-fin rays; 8+8 branched caudal-fin rays; lateral line complete; axillary pelvic lobe present; and upper lip with a small notch (Ref. 138782).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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