Clown triggerfish
The clown triggerfish is a strikingly patterned marine fish in the family Balistidae, native to reefs of the Indo-Pacific and eastern Atlantic. It is instantly recognizable for its deep black body dotted with large white spots on the lower half, a yellow-rimmed mouth, and a bright reticulated saddle across the back. This species is bold, intelligent, and highly territorial, becoming increasingly aggressive as it matures. It is best kept singly and only with equally robust tankmates, as it will harass or kill smaller, docile fish and pick at invertebrates. A large aquarium with plenty of rockwork caves for retreat suits it well, along with a secure lid since triggerfish are strong. Its diet is carnivorous, favoring hard-shelled prey such as crustaceans, mollusks, and sea urchins, which keep its powerful teeth worn down. It is a demanding fish reserved for experienced marine keepers.
Water parameters
| Temperature | 24 – 27 °C |
|---|---|
| pH | 8.1 – 8.4 |
| Carbonate hardness (KH) | 8 – 12 °dKH |
| Salinity | 30 – 35 SG |
Tank & stocking
| Minimum tank volume | 600 L |
|---|---|
| Volume budget per individual | 300 L — territorial: does not simply add up |
“Minimum tank volume” is a reasonable floor, not an absolute limit. The per-individual budget is used by the Aqua app to estimate how heavily a tank is stocked.
Frequently asked questions
What size aquarium does Clown triggerfish need?
Provide at least 600 litres to keep Clown triggerfish in good conditions.
What water parameters does Clown triggerfish need?
A temperature of 24–27 °C, pH 8.1–8.4, saltwater.
Is Clown triggerfish peaceful or aggressive?
Its temperament is aggressive.
What does Clown triggerfish eat?
Its diet: carnivore.
How big does Clown triggerfish get?
Around 50 cm as an adult.
Is Clown triggerfish suitable for beginners?
Care level: advanced.
Planning a tank with Clown triggerfish?
AquaTender turns these parameters into live advice: it checks whether your tank is big enough, how heavily it's stocked, and whether your fish are compatible — then tracks water tests, photos and maintenance for you.
Fish from the same biotope
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