🐠 Blue Throat Triggerfish (Xanthichthys auromarginatus)
🐠 Blue Throat Triggerfish (Xanthichthys auromarginatus)
Marine Reef-Safe-With-Caution Triggerfish • Grey Body With Light Blue Spots • Genuine Dramatic Sexual Dimorphism • Genuinely One of the Mildest Triggerfish • Intermediate Marine Fish
📋 The Blue Throat Triggerfish , also known as the Gilded Triggerfish or Blue Chin Triggerfish, displays genuinely dramatic sexual dimorphism — males show a striking blue throat patch and yellow-edged fins over a grey-brown, pale-spotted body, while females lack the blue throat and yellow fin trim entirely, appearing more uniformly brown.
Native to a genuinely wide range across the Indo-Pacific, including the Red Sea and East Africa, this species is naturally found in large aggregations near reef drop-offs where current is strong.
We want to be genuinely clear: this is one of the smallest and mildest-mannered members of the triggerfish family, making it a popular choice for community-style setups where other, more aggressive triggerfish wouldn't be suitable. It's genuinely a capable, sometimes vocal fish — occasionally producing an audible grunting sound, and known to spit water at the surface in anticipation of feeding. It's considered reef safe with caution: it generally ignores sessile invertebrates but will genuinely eat ornamental shrimp it encounters, so it suits a spacious reef setup without crustaceans. It can genuinely be kept as a single male-female pair, or in a small group of one male with several females if introduced simultaneously.
🔵🟡 Highlights
🎨 Genuine Dramatic Sexual Dimorphism: Males and females look strikingly different
😌 Genuinely One of the Mildest Triggerfish: A popular, more community-friendly choice
🗣️ Genuine Vocal Behaviour: Can produce an audible grunting sound
⚠️ Reef Safe With Caution: Will eat ornamental shrimp it encounters
👫 Genuine Group Option: Can be kept as a pair or small harem
🧾 A Quick Look at the Blue Throat Triggerfish
📛 Common Name: Blue Throat Triggerfish (Gilded Triggerfish, Blue Chin Triggerfish)
🔬 Scientific Name: Xanthichthys auromarginatus
👨👩👧 Family: Balistidae
🌍 Origin: Indo-Pacific (Red Sea, East Africa, and beyond)
📏 Max Size: Up to 30 cm (≈ 12")
🧂 Specific Gravity: 1.020–1.025
🌡️ Temperature Range: 22–26°C (72–78°F)
🧠 Care Level: Moderate — genuinely mild-mannered for a triggerfish
💖 Temperament: Semi-Aggressive; genuinely one of the mildest triggerfish species
🌿 Reef Safe: ⚠️ With caution — safe with sessile invertebrates, but will eat ornamental shrimp
🏠 Min Tank Size: 470 L (≈ 125 gallons)
📌 Tank Level: Mid Level
🧬 Stock Type: Wild-collected as standard stock
⏳ Lifespan: 8–10 years+ with proper care
🍽️ Diet: Carnivore (copepods, meaty foods, crushed shellfish)
🐣 Reproduction: Egg Layer; genuinely forms pairs or small harems

















