Hypoptychus dybowskii
Hypoptychus dybowskii
Hypoptychus dybowskii is a small fish from the order of stickleback -like, who lives on the coast of northern Japan, Korea, Sakhalin and the Sea of Okhotsk.
Features
He has an elongated, scaleless body, which can be 8.5 inches long. Dorsal and anal fin sit far back and are supported by about 20 soft rays. Hard rays are not present. The pectoral fins have nine fin rays, pelvic fins and pelvic girdle are absent. The forked caudal fin has 13 fin rays, of which 11 are divided. The fish have four gills Reuse rays. Only the males have teeth on the premaxilla. The spine consists of 55 to 59 vertebrae.