Pelagic juveniles of two morids, Antimora microlepis Bean, 1890 and Pbysiculus j(rponicus Hilgendort 1879, were colleeted by midwater t.rawl (O-20m depth) frem transition waters between the Oyashio and Kuroshio fironts ef the western North Pacific in May, 1989. Juveniles of A. microtqpis (13 specimens. 30.2-54,3mm standard length, SL> characteristieally have an elengated body, posteriorly, positioned anus, 24-25 precaudal vertebrae, chin with a barbel, no ventral luminous organ, elongated

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... fin rays, and a non-protruding snout. Juveniles of P. jmponicus (six specimens, 20.4-39.0mm SL) characteristically have an elongated body, chin with a barbel, ventral luminous organ anterior to the anus, elongated pelvic fin rays, a pointed caudal fin, glO dorsal fin rays, 6070 second dorsal fin rays, 6&72 anal fin rays, six pelvic fin rays, 16=41A2 vertebrae, and ca. 130 lengitudinal scales.