Not furry, but we like them anyway.

Clown Triggerfish

Balistoides conspicillum (Bloch & Schneider, 1801)

Also called Bigspotted triggerfish

SpeciesShort profile

From Tropical and subtropical Indo-Pacific, from East Africa through northern Australia to Samoa and north to southern Japan, mainly on outer reef slopes.1 2

At a glance the quick version

Length50 cm1 2 3

Lifespan20 years2

Sizelarge

Maximum 50 cm total length in the wild; aquarium fish usually stay smaller (around 20 in maximum).

Can live up to about 20 years.

Striking polka-dot pattern

Hardy and easy to feed

Can learn to recognise and take food from its keeper

2 3 1

Looks how to spot one

Scaled, oval triggerfish

A thickset triggerfish with one of the boldest patterns on the reef. The black body carries large white polka dots on its lower half, a yellow leopard-like network on the back around the first dorsal fin, a yellow ring around the lips and a white band across the snout under the eyes. Young fish are black with small white spots and yellow touches on the snout.2

ColoursBlackWhite spotsYellow back patternYellow lips2

Personality what they are like

Confident, curious and strongly territorial, it grows bolder as it matures. It does best as a single showpiece fish with large, robust companions, and it is usually added to the tank last.2 3

Daily activity how busy a day looks

A daytime fish that roams the reef slope and retreats into caves and holes when it wants cover. It needs plenty of open swimming space and rockwork to explore.2 1

Grooming and care the hands-on bits

Rated easy to care for. It tends to rearrange decor, so arrange rockwork securely. Its teeth are sharp, so hand-feeding should be done with care.3 2

Home where they are happiest

A very large fish-only aquarium of about 1,135 litres (300 US gallons) or more, with caves. Water about 22 to 26 °C, pH 8.1 to 8.4, dKH 8 to 12, specific gravity 1.020 to 1.025.3

Food basics what goes in the bowl

A varied meaty diet of squid, krill, clams, small fish and hard-shelled shrimp, which also help wear down its ever-growing teeth. In nature it eats sea urchins, crabs and other crustaceans, molluscs and tunicates.3 1 2

Company who they like around

Solitary by nature; keep one per tank, choosing large, sturdy tankmates.1 2 3

The story where it all began

Marcus Bloch and Johann Gottlob Schneider described the species in 1801. Its vivid pattern has made it one of the most prized fish in the marine aquarium hobby.1

Fun facts for the dinner table

1
It can lock its first dorsal spine upright to wedge itself firmly into a hole.2
2
Its teeth keep growing throughout life, helping it crush shelled prey.2
3
Parents guard their nest for about eight days until the eggs hatch.2
4
Juveniles hide in small caves, often deeper than 20 m.2

Recognised by the official bits

IUCN Red List: Least Concern (assessed 11 January 2022)1
Taxonomy: Family Balistidae; described by Bloch and Schneider in 18011

The care rhythm a typical week and year

A typical home-care rhythm for a Clown Triggerfish. A starting point, not a vet's advice.

FeedingSmall amounts once or twice a dayevery day
Temperature checkevery day
Salinity checkevery week
Top-upTop up evaporation with fresh RO water, not salt waterevery day
Water testevery week
Water changeAbout 10 to 20% of the waterevery 2 weeks
Glass cleanevery week

Owner questions the things everyone asks

How often should I feed my Clown Triggerfish?

Feed small amounts once or twice a day, as per Furry Diary's starting plan. This varied meaty diet helps keep your triggerfish healthy and its teeth worn down. Always follow the food label and consult your vet for exact portions.3 1 2 Pet Wiki plan

What does a Clown Triggerfish eat, and what should it never eat?

It eats a varied meaty diet of squid, krill, clams, small fish and hard-shelled shrimp. The provided information does not specify foods to avoid, so ask a vet or experienced breeder for guidance on what not to feed.3 1 2

How much space does a Clown Triggerfish need?

A very large fish-only aquarium of about 1,135 litres (300 US gallons) or more is needed. This gives your triggerfish plenty of open swimming space and rockwork to explore.3

What temperature, light or water does a Clown Triggerfish need?

Keep water at 22 to 26 degrees Celsius, pH 8.1 to 8.4, dKH 8 to 12, and specific gravity 1.020 to 1.025. Provide caves and rockwork for cover, and ensure good filtration.3

How often should I clean a Clown Triggerfish's home?

Furry Diary's starting plan suggests a weekly glass clean and a 10 to 20 percent water change every two weeks. Check temperature daily and test water weekly. Always top up evaporation with fresh RO water. Pet Wiki plan

Can a Clown Triggerfish live with others?

It is solitary by nature and best kept as a single showpiece fish. If you want tankmates, choose large, robust companions and add your triggerfish last.1 2 3

How long does a Clown Triggerfish live?

With good care, a Clown Triggerfish can live up to 20 years. Provide a spacious, stable environment to help it reach its full lifespan.2

Can I handle a Clown Triggerfish?

Handling is not recommended because its teeth are sharp and it can bite. Hand-feeding should be done with care, and it's best to avoid touching the fish.3 2

Written from the sources on this page, a few checked guides (VCA, ASPCA, RSPCA) and Pet Wiki's own starting care plan. A friendly guide, not a vet's advice.

Niger Triggerfish

Picasso Triggerfish

Where this comes from

Every fact on this page has a numbered source. Spotted an error? [email protected].

FishBase: Balistoides conspicillum summary fishbase.seused for distribution, depth, length, diet, IUCN status, behaviour, aquarium popularity
Wikipedia: Clown triggerfish en.wikipedia.orgused for names, colour pattern, behaviour, lifespan, nesting, fun facts
LiveAquaria: Clown Triggerfish liveaquaria.comused for aquarium care level, tank size, water parameters, diet, tankmates

Checked 2026-09-30. Text is written in our own words from these sources.