Can I keep a Dogface Puffer in a reef tank?

No, they are strictly for FOWLR (Fish Only With Live Rock) aquariums. They will eat crustaceans, snails, and happily chew on most corals.

Why does my Dogface Puffer swim up and down the glass?

This pacing behaviour, often called 'glass surfing', usually means they are begging for food, though it can also indicate boredom or a tank that is too small.

How do I stop my puffer's teeth from overgrowing?

You must feed them hard-shelled invertebrates regularly. Whole clams on the half-shell, unpeeled raw shrimp, and frozen marine snails will naturally grind down their continuously growing beak.

Is it safe to net a Dogface Puffer?

No. If lifted out of the water in a net, they may inhale air to inflate themselves, which they struggle to expel and can prove fatal. Always catch and move them using a rigid plastic container.

Can I keep two Dogface Puffers together?

It is generally not recommended unless the aquarium is exceptionally large (over 1,000 litres). They are solitary by nature and can become highly territorial towards their own kind.

MarineMarineIntermediate

Dogface Puffer

Arothron nigropunctatus

The Dogface Puffer is a charismatic, highly intelligent marine fish famous for its dog-like appearance and endearing begging behaviour.

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Ideal Conditions

Temperature: 24 – 28 °C
pH range: 8.1 – 8.4
Hardness: 8 – 12 dGH
Salinity: 1.02 – 1.025 SG
Adult size: 25 – 33 cm
450L (minimum for a single adult): 450 litres+
Lifespan: 10 – 15 years
Diet: Carnivore
Water flow: moderate
Preferred setup: Fish-only with live rock (FOWLR), plenty of swimming space and large caves.

About the Dogface Puffer

Boasting a unique facial structure that resembles a snub-nosed puppy, the Dogface Puffer (Arothron nigropunctatus) is a beloved centrepiece for large fish-only marine aquariums. They possess a scaleless, highly elastic skin and are famed for their ability to inflate themselves with water or air when distressed. These intelligent fish quickly learn to recognise their owners and are notorious for spitting water or begging at the surface at feeding time. However, their powerful beaks and non-reef-safe dietary habits limit the types of setups they can inhabit.

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Is it right for your tank?

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Where Dogface Puffer comes from

Native range

Indo-Pacific, Red Sea

Countries / regions

Indonesia, Philippines, Australia, Japan, Micronesia

Habitat

Coral reefs, lagoons, and seaward reef slopes where they hunt for benthic invertebrates.

Widely distributed across tropical waters of the Indian and Pacific Oceans.

Similar species

Stars and Stripes Puffer
Arothron hispidus
Porcupine Puffer
Diodon holocanthus
Guinea Fowl Puffer
Arothron meleagris

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

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Emperor Angelfish
Pomacanthus imperator
Large, robust marine fish that occupy different niches and will not be intimidated or eaten by the puffer.
Great
Yellow Tang
Zebrasoma flavescens
Fast swimming, active herbivores that can easily avoid the slower-moving pufferfish.
Great
Moon Wrasse
Thalassoma lunare
Highly active and large enough to safely cohabit with a Dogface Puffer in a spacious FOWLR setup.
Great
Clown Triggerfish
Balistoides conspicillum
Both are large predators with powerful bites; triggerfish can sometimes bully puffers, requiring close observation.
Compatible with caution
Volitan Lionfish
Pterois volitans
Puffers are notorious for nipping at the long, fleshy, and venomous fins of lionfish, which can cause severe stress and injury.
Compatible with caution
Skunk Cleaner Shrimp
Lysmata amboinensis
Crustaceans form a major part of the puffer's natural diet; they will be quickly hunted and eaten.
Not recommended
Yellow Clown Goby
Gobiodon okinawae
Small, slow-moving fish will eventually be viewed as prey by an adult Dogface Puffer.
Not recommended

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