Blue Throat Triggerfish

Blue Throat Triggerfish

Xanthichthys auromarginatus

Also known as: Bluechin Trigger, Gilded Trigger

🧂 Saltwater ⚡ Semi-aggressive 🟡 Moderate 🍽️ Omnivore Reef Safe

Males have a vivid blue throat patch. One of the most reef-safe triggerfish — rarely bothers corals or inverts.

Tank Size

75 gal
minimum (125+ preferred)

Temperature

74–82°F
23–28°C

pH Range

8–8.4
water acidity

Max Size

9"
22.9 cm

Lifespan

10+ years
typical in captivity

Swim Level

All
preferred zone

Care Notes

The best trigger for reef tanks. Peaceful by trigger standards. Males are more colorful than females. Keep as a male-female pair.

Feeding

Frozen mysis, shrimp, squid, and marine pellets.

Compatible Tank Mates

None identified.

Use Caution With

Ocellaris Clownfish 3" True Percula Clownfish 3" Blue Green Chromis 3" Yellowtail Damselfish 2.5" Blue Tang 12" Yellow Tang 8" Kole Tang 7" Clarkii Clownfish 5" Tomato Clownfish 5" Scopas Tang 8" Naso Tang 18" Convict Tang 8"

Incompatible With

Maroon Clownfish 6" Blue Devil Damselfish 3" Powder Blue Tang 9" Achilles Tang 10" Purple Tang 10" Three Stripe Damselfish 3" Domino Damselfish 5" Four Stripe Damselfish 3" Jewel Damselfish 6" Clown Tang 15" Green Clown Goby 1.5" Catalina Goby 2.5"

Check Compatibility

Want to check if Blue Throat Triggerfish is compatible with a specific fish? Use our compatibility checker to build your complete tank.