本属にはZ. hololepis(D ?〜?, 25〜26; A ?〜?, 22〜23),Z. macrops(D ?, 26; A ?, 25),Z. leptolepis(D ?, 28; A ?, 32),ソコマトウダイZ. japonicum(D ?, 27〜28; A ?, 23〜24),Z. longipinnis(D ?, 28〜29; A ?, 25〜26),()内は鰭式,が知られている。本種は既知のどの種の記載とも一致しない。 (清水)
Distinctive characters:
(Genus): NO scute on belly between pelvic and anal fins. Gape almost vertical when mouth closed. Scale small. Spiny plates along bases of soft dorsal and anal fins. (Species): Body silver gray. First dorsal spine minute, 2nd one longest. Pectoral fin small. Pelvic spine long, reaching anal fin origin when depressed. Anterior rays of soft dorsal and anal fins short.
Distribution:
Off Suriname.
Remarks:
Five species have been reported in this genus. Z. hololepis (D ?〜?, 25〜26; A ?〜?, 22〜23), Z. macrops (D ?, 26; A ?, 25), Z. leptolepis (D ?, 28; A ?, 32), Z. japonicum (D ?, 27〜28; A ?, 23〜24), Z. longipinnis (D ?, 28〜29; A ?, 25〜26), fin formula in parenthesis. The characters on the present species do not agree with those of any known species. (Shimizu)