| 鉴别 |
Mouth inferior, lower jaw tipped with a long barbel, relatively small body scales, and spineless scales behind 1st dorsal fin. Head comparatively small; snout short and broad, angulated along anterolateral edge; tip of snout without spinulous tubercle. Teeth conical, with band on both jaws. Second dorsal spine finely serrated except for basal portion. Spinules on body scales slender, not triangular in shape, arranged in quincunx order. Luminous organ small, between pelvic bases. Sides of head and body bright silvery. First dorsal fin blackish, with white base and tip (Ref. 54421). |
