Fishby LogoFishby

Diamond Trevally and Similar Species

Megalaspis cordyla

Got a photo? Identify fish instantly with the Fishby app.

Open the app

Several fish can be confused with Diamond Trevally. Here are the key differences.

Species often confused with {name}

Torpedo Scad

Megalaspis cordyla

Key differences: This is a synonym for Diamond Trevally; no differentiation needed.

Other Carangids (Jacks and Trevallies)

Various Carangidae species

Key differences: Most other Carangidae species lack the distinct series of detached finlets behind the dorsal and anal fins. While some have scutes, they are typically less numerous and less prominent than in M. cordyla. Body shape also tends to be more compressed in many other trevallies.

Mackerel Scads (e.g., Decapterus spp.)

Decapterus spp.

Key differences: Mackerel scads also possess finlets, but typically have a more slender body, smaller maximum size, and fewer, less prominent scutes on the lateral line. The pectoral fin of M. cordyla is also notably longer and more falcate.

Explore Diamond Trevally

Identify fish anywhere

Free on iOS, Android, and Web. Photo identification, full species details, and more.

Open in app