Pseudomystus Heokhuii (Pseudomystus heokhuii) is a ray-finned fish of the family Bagridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 6.4 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List.
Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal soft rays: 12 - 14; Vertebrae: 35 - 36. Differs from its congeners in possessing a color pattern consisting of a pale midlateral stripe and two pale oblique bands on the sides of the body; no other congener exhibits a distinct pale midlateral stripe. Can be differentiated further from all congeners except Pseudomystus breviceps, Pseudomystus bomboides, Pseudomystus flavipinnis, Pseudomystus myersi, Pseudomystus siamensis, Pseudomystus robustus, Pseudomystus sobrinus and Pseudomystus stenomus in having a deeper body (17.8-21.0% SL vs. 9.0-17.0). Differs from Pseudomystus leiacanthus in having two (vs. one) dark narrow irregular bars on the caudal fin, longer pectoral spine (19.3-22.4% SL vs. 15.2-18.6), longer caudal fin (33.5-40.0% SL vs. 25.7-31.9) with pointed (vs. rounded) lobes, longer nasal and maxillary barbels (63.1-81.1% HL vs. 31.3-51.5 and 86.2-125.3% HL vs. 70.9-91.3 respectively; nasal barbel reaching to dorsal insertion of opercular flap vs. to just beyond posterior orbital margin and maxillary barbel reaching just beyond base of last pectoral-fin ray vs. to base of pectoral spine), a straight ( vs. crescentic) premaxillary tooth patch, a more sharply tapering snout when viewed dorsally and an even (vs. slightly convex) predorsal profile . : elongated.
Behavioural data for Pseudomystus Heokhuii is currently being reviewed.
Diet information for Pseudomystus Heokhuii is currently being compiled.
Reproduction data for Pseudomystus Heokhuii is currently being compiled.
Freshwater; demersal; pH range: 3.5 - 4.5. Tropical
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