Japanese Scad and Similar Species
Decapterus maruadsi
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Open the appSeveral fish can be confused with Japanese Scad. Here are the key differences.
Species often confused with {name}
Indian Scad
Decapterus russelli
Key differences: D. russelli typically has a shorter pectoral fin, not reaching the origin of the second dorsal fin, and generally fewer lateral line scutes (24-40, but often on the lower end of this range compared to D. maruadsi).
Shortfin Scad
Decapterus macrosoma
Key differences: D. macrosoma has a much shorter pectoral fin, usually not extending past the anterior margin of the operculum, and a more slender body. The black spot on the operculum is often less distinct or absent.
Redtail Scad
Decapterus kurroides
Key differences: D. kurroides is distinguished by its reddish caudal fin and often a more pronounced black spot on the operculum. It also tends to have a slightly deeper body and a different count of lateral line scutes.
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