Microdous amblyrhynchos Hu, Lan & Li, 2023
Blunt-snout small-toothed sleeper

Family:  Odontobutidae (Freshwater sleepers)
Max. size:  9.02 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: China.
Diagnosis:  Dorsal spines (total): 8-9; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 8-9; Vertebrae: 34-34. This species is distinguished by the following character states: snout blunt, snout length/ head length ratio 0.26-0.28, mean 0.27; eye large, but not protruding outward, interorbital width larger than eye diameter, interorbital width/head length ratio 0.22-0.27, mean 0.25 (Ref. 131453). Description: Colouration: head black and dark brown with black dots on cheek; side of body yellowish, with several irregular dark patches and orange dots; back dark brown. Unpaired fins possessing several inconspicuous stripes of dark spots and white edge. Pectoral fins and pelvic fins transparent and dusky. An irregular black fleck on upper part of base of pectoral fin. Ventral side of abdomen pale, with dull and inconspicuous dark patches. Urogenital papilla dark brown
Biology:  Found in small creeks or rivers with slow moving, clear water and rocky bottom. Some remains of chitin exoskeleton of crustaceans were found in the anus opening of the holotype, suggesting that this species is carnivorous. During their spawning seasons, the male’s head would turn black with several orange dots on the body sides (Ref. 131453).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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