Epinephelus radiatus

Epinephelus epistictus differs in having nostrils subequal in size (vs. posterior nostrils 2–3 times larger than anterior nostrils) and head and body pale brown to greenish-grey with small brownish black spots on upper body (vs. small adults, 20–40 cm SL, with 5 dark-edged pale bands and large adults, 40–50 cm SL, with dark edges of bands replaced by a series of dark spots).

Epinephelus latifasciatus differs in having upper edge of operculum distinctly convex (vs. nearly straight); anterior and posterior nostrils subequal (vs. posterior nostril 2–3 times larger than anterior nostril) and head and body pale brown to greenish-grey with small brownish-black spots on upper body (vs. small adults, 20–40 cm SL, with 5 dark-edged pale bands and large adults, 40–50 cm SL, with dark edges of bands replaced by a series of dark spots).

Epinephelus morrhua differs in having long curved dark brown stripes, dark blotch at base of mid dorsal fin joined to think stripe from upper operculum, lowermost stripe on body broken posteriorly (vs. small adults, 20–40cm SL with 5 dark edged pale bands, scattered with spots on sides and dorsally, large adults, 40–50 cm SL, with dark edges of bands replaced by a series of dark spots) and brown stripes horizontal along body (vs. pale bands becoming more vertical posteriorly).