Longfin dace

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Agosia chrysogaster

Body is “fusiform; with small scales. Adults rarely exceed 65 mm (2.6 in.) standard length. Scales in lateral line 70-90. Head is “thick and blunt. Mouth small, subterminal, oblique; overhung by a bluntly rounded snout; mouth terminates posteriorly at a point under the nares. Back and upper sides silvery gray to olive, sides sometimes with golden flecks; lower sides and abdomen whitish; peritoneum
black. Diffuse dusky lateral stripe originates at upper corner of opercle, terminating in a black spot at base of caudal fin.