Spotted Boxfish
Ostracion meleagris
Spotted Boxfish (Ostracion meleagris) is a reef-associated tropical boxfish best known for its rigid, box-shaped body and spotted patterning. Males and females look very different, and the species is more of an aquarium fish than a target for anglers.
Identification points
- Adult body enclosed in a hard, boxy carapace with small fins protruding from the armor
- Males are bright yellow with blue spots, while females and juveniles are tan to brown with dark spots
- Small, downturned mouth and no obvious pelvic fins, giving a compact cuboid profile
Habitat
Shallow coral and rocky reefs, lagoon edges, seaward reef slopes, and sheltered reef flats in tropical Indo-Pacific waters; juveniles often use protected reef crevices and seagrass-adjacent habitat.
Bait notes
Not a practical sport-fishing species; it is rarely targeted on hook and line. If incidentally caught, use very small hooks and delicate natural baits, but release promptly.
Behavior
Slow-swimming and deliberate, it browses small benthic invertebrates and algae while picking along coral and rubble. When stressed it can release ostracitoxin, and it relies on its armored body and small fins rather than speed.
Caution
Can release a toxin from the skin when stressed or damaged; keep away from other fish in confined containers and do not consume. Handle gently to avoid damaging the thin fins and rigid body edges.
Fishing notes
Best treated as a non-target reef species. Avoid handling stress, use wet hands or a soft net, and minimize air exposure because boxfish are fragile and can be injured easily.