Titan Triggerfish (Balistoides viridescens)

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

Titan Triggerfish

Quick facts

Scientific nameBalistoides viridescens
FamilyBalistidae
Care levelExpert
Reef safetyNot Reef Safe
TemperamentAggressive
Dietcarnivore
Adult size30 in
Minimum tank size375 gallons
Water parametersTemperature: 72-82°F pH: 8.1-8.3 Salinity: 1.02-1.026
Feeding schedule1-2 times daily

Appearance

A large, robust triggerfish with a distinctive blue-green coloration on the body and head, featuring bright blue markings around the mouth and gill plates. The body is deep and compressed laterally, with a large dorsal spine that can be locked upright as a defense mechanism. The teeth are prominent and visible, and the eye is positioned high on the head.

Diet and feeding

Feed high-quality meaty foods such as silversides, squid, clams, and specialized triggerfish pellets. Offer variety to ensure nutritional balance and maintain interest in captive feeding.

Difficulty and care for the Titan Triggerfish

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Common health issues

Parasitic infections (ich, velvet), dental overgrowth, nutritional imbalances

Origin and habitat

Indo-Pacific from the Red Sea to Hawaii, including the Great Barrier Reef and throughout the tropical western and central Pacific Ocean.

Log Titan 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 Titan Triggerfish alongside everything else in your reef.