Gobies, blennies, and small marine fish
Blue-jawed Triggerfish
Xanthichthys auromarginatus
Photo: Rickard Zerpe · CC BY 2.0 · Wikimedia Commons
Key facts
- Temperature24–27 °C
- pH8.1–8.4
- Minimum tank400 l
- Adult size22 cm
- Difficulty★★☆☆☆
- TemperamentPeaceful
- WaterMarine
- Reef safeWith caution
Full profile
- Family
- Balistidae
- Origin
- Indo-Pacific
- Size
- 22 cm
- Temperature
- 24 – 27°C
- pH
- 8.1 – 8.4
- Salinity
- 1.023 – 1.025
- Difficulty
- ★★☆☆☆
- Water type
- marine
- Swimming level
- medium
- Behavior
- Peaceful (one of the calmest triggerfish)
- Minimum number of individuals
- 1
- Minimum aquarium size
- 400 L
- Diet
- carnivore (zooplankton)
- Reproduction
- oviparous
Notes: Males have a blue throat. It feeds on plankton rather than bottom-dwelling invertebrates, making it one of the few triggerfish compatible with a reef tank. Reef Safe: ⚠️ Use caution (may bite small shrimp)
