| Family | Scientific Name | Author | Year | Common Name |
| Belonidae | Platybelone argalus | (Lesueur) | 1821 | Keeltail Needlefish |
Platybelone argalus
Unique Characters: Body rounded or squarish in cross-section. No vertical bars present. Anal-fin rays 13-24. Caudal peduncle strongly depressed (flattened dorsoventrally) and with well-developed lateral keels. Least depth of caudal peduncle about half the width. Gill rakers present.
Similar Species: None
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