Spotted Oceanic Triggerfish (Canthidermis maculata)

Fish in the family Balistidae. Expert care. Not Reef Safe.

Spotted Oceanic Triggerfish

Quick facts

Scientific nameCanthidermis maculata
FamilyBalistidae
Also known asRough Triggerfish, Rough Trigger-Fish, Spotted Oceanic Triggerfish
Care levelExpert
Reef safetyNot Reef Safe
TemperamentAggressive
Dietcarnivore
Adult size24 in
Minimum tank size200 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding schedule2-3 times daily

Appearance

The Spotted Oceanic Triggerfish has a robust, compressed body with grayish-brown coloration covered in numerous dark spots. The first dorsal fin is prominent and can be locked into an upright position. This pelagic triggerfish develops a relatively streamlined profile compared to reef-dwelling triggerfish species.

Diet and feeding

Feed high-quality meaty foods such as marine fish, squid, shrimp, and other crustaceans. Multiple daily feedings help satisfy the predatory appetite of this aggressive species.

Difficulty and care for the Spotted Oceanic Triggerfish

This is an expert-level species suited only to experienced aquarists. It is highly aggressive, demands large space, requires meaty diets, and poses significant challenges for behavioral management and long-term care in captivity.

Common health issues

Parasitic infections, bacterial infections, jaw protrusion stress, poor water quality impacts

Origin and habitat

Indo-Pacific and Atlantic oceans, found in deep pelagic and reef-adjacent waters. Occurs from the Red Sea through the Indo-Pacific to Hawaii and the American coast, also in the western Atlantic. A highly migratory oceanic species.

Log Spotted Oceanic Triggerfish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Spotted Oceanic Triggerfish alongside everything else in your reef.