Triplophysa Arnoldii (Triplophysa arnoldii), first described by Prokofiev, 2006 is a small fish in the family Nemacheilidae (order Cypriniformes). Adults typically reach 7.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
Dorsal spines (total): 3; Dorsal soft rays (total): 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 .: elongated.
Behavioural data for Triplophysa Arnoldii is currently being reviewed.
Freshwater; demersal. Temperate
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