Care guide, husbandry, breeding, disease, and sourcing intelligence on Niger Triggerfish - written by the Fast Aquatics editorial team.
Niger Triggerfish at a glance
Adult size: 18 inches · Min tank/pond: 125 gallons · Difficulty: intermediate · Diet: carnivore · Lifespan: 8-10 years.
Niger Triggerfish (Odonus niger) is a popular saltwater fish in the aquarium and pond hobby. Suitable for keepers with 6-12 months of stable-tank experience.
Where Niger Triggerfish comes from
Niger Triggerfish (Odonus niger) is native to Indo-Pacific reef ecosystems. Wild populations distribute across coral reefs from East Africa through Indonesia, the Philippines, and into the western Pacific. Captive-bred Niger Triggerfish is increasingly available and is the more sustainable choice when you can find it.
Niger Triggerfish tank size and setup
Niger Triggerfish requires a minimum of 125 gallons for healthy adults. The minimum is based on 18 inches adult size and territorial range. For Niger Triggerfish, plan a mature reef tank with stable parameters, sand bed, live rock for cover, and reef LED if photosynthetic.
Water parameters for Niger Triggerfish
Niger Triggerfish requires standard reef parameters: temperature 76-80°F, specific gravity 1.025, pH 8.1-8.4, alkalinity 8-9 dKH, calcium 420-450 ppm, magnesium 1300-1400 ppm, ammonia + nitrite 0 ppm, nitrate under 10 ppm. Use a refractometer (not hydrometer) to measure salinity.
What Niger Triggerfish eats
Niger Triggerfish is a carnivore. Provide frozen mysis, brine, finely chopped seafood, and quality carnivore pellets. Live food triggers feeding response in stressed arrivals. Browse our food guides for product recommendations.
Niger Triggerfish tankmates and compatibility
Niger Triggerfish is best paired with peaceful reef-tank species in similar size class. Avoid known fin-nippers and large aggressive species.
Niger Triggerfish adult size and lifespan
Niger Triggerfish reaches 18 inches at adulthood with a captive lifespan of 8-10 years with proper care.
Can you breed Niger Triggerfish?
Niger Triggerfish breeding in captivity ranges from straightforward to very difficult. Captive-bred specimens are increasingly available from sustainable aquaculture facilities.
Common Niger Triggerfish diseases and problems
Niger Triggerfish is susceptible to ich, velvet, marine flukes, and bacterial infections. Quarantine new Niger Triggerfish for 4-6 weeks before adding to display.
Where to buy Niger Triggerfish online
Niger Triggerfish is sold at LFS, online retailers, and direct from breeders. Browse live Niger Triggerfish from vetted Fast Aquatics vendors with carrier-tracked overnight shipping, climate-aware hold logic, and a 4-hour DOA window with photo-evidence claims.
Related saltwater species you might also keep
Other species in the same category with care profiles on Fast Aquatics. Click any name for the full husbandry breakdown.
Niger Triggerfish taxonomy and care recommendations cross-checked against the following authoritative references and our internal vendor + breeder database.