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Caribbean Sharpnose Puffer

Canthigaster rostrata

A small Caribbean to western Atlantic puffer that inhabits shallow reefs and seagrass beds. It nips at benthic invertebrates and is more often observed than targeted by anglers.

Saltwater
Caribbean Sharpnose Puffer reference image
Pauline Walsh Jacobson, cc-by, via Wikimedia Commons. Source: Wikimedia Commons.

Identification points

  • Small, rounded puffer with a blunt snout and compact body
  • Brown to olive body marked with irregular pale spots or mottling and a lighter underside
  • Short dorsal and anal fins set far back, with the typical sharpnose puffer profile

Habitat

Shallow coral reefs, reef flats, lagoons, and seagrass beds from nearshore waters to modest depths in clear tropical marine environments.

Bait notes

Not a standard gamefish. Small pieces of shrimp, clam, squid, or crustacean flesh may take it incidentally on light tackle or small reef rigs, but it is rarely targeted intentionally.

Behavior

Diurnal and often solitary or loosely associated with reef structure; feeds by biting off small hard-shelled invertebrates such as mollusks, crustaceans, and sometimes bryozoans or algae from the bottom.

Caution

Contains tetrodotoxin; do not eat. Like other puffers, it can inflate when stressed and should be handled carefully to avoid bites and injury. Check local rules because reef bycatch release handling may be regulated in some areas.

Fishing notes

If encountered while reef fishing, use very small hooks, light leader, and small baits close to bottom structure. Handle minimally; puffers can be caught as bycatch when fishing reefs for other species.