Decapterus kurroides

Osteichthyes Carangidae Genus Decapterus Decapterus kurroides
Redtail scad DCK
36.5 cm TL
Characteristic features:
Colour:

Blueish green above, silver below, black blotch on upper edge of operculum. Pelvic and anal fins pale dusky to white, caudal fin red.

Size:

Up to 45 cm TL.

Distribution:

Indo–West Pacific in tropical waters.

Habitat:

Associated with deep water reefs, from 100 to 300 m depth.

Biology:

Feeds primarily on planktonic invertebrates. Forms schools or occurs in small groups on reef slopes.

Indonesian fisheries:

Caught with mid-water trawls.

Similar species:

Decapterus macarellus
Mackerel scad

Decapterus macarellus

Decapterus macarellus differs in having a straight part of lateral line with 18–39 scales (vs. no scales); pectoral fins short, tips not reaching second dorsal-fin origin (vs. long, tips extending to, or slightly below second dorsal-fin origin) and oral valve (membrane) at symphysis of upper jaw conspicuously white in adults (vs. dusky or transparent).

to Decapterus macarellus

Decapterus macrosoma
Shortfin scad

Decapterus macrosoma

Decapterus macrosoma differs in having straight part of lateral line with 14–29 scales (vs. no scales); the posterior end of upper jaw concave above, rounded and produced below (vs. posterior end of upper jaw not as noticeably slanted anteroventrally) and caudal fin hyaline to dusky (vs. bright red).

to Decapterus macrosoma

Decapterus russelli
Indian scad

Decapterus russelli

Decapterus russelli differs in having a smaller eye (vs. larger); having straight part of lateral line with 0–4 scales (vs. no scales) with and caudal fin hyaline to dusky (vs. bright red).

to Decapterus russelli

Decapterus tabl
Roughear scad

Decapterus tabl

Decapterus tabl differs in having a smaller eye (vs. larger); straight part of lateral line with 4–12 scales (vs. no scales) and second dorsal-fin soft rays 30–34 (vs. 28–30).

to Decapterus tabl
External links:

FishBase
The IUCN Red List of Threatened SpeciesTM