Wrasse, Anthias, and Other Marine Fish
Long-spine Porcupinefish
Diodon holocanthus
Photo: Chris Spain · CC0 · Wikimedia Commons
Key facts
- Temperature23–27 °C
- pH8.1–8.4
- Minimum tank600 l
- Adult size40 cm
- Difficulty★★★☆☆
- TemperamentSemi-aggressive
- WaterMarine
- Reef safeNo
Full profile
- Family
- Diodontidae
- Origin
- Tropical seas around the world
- Size
- 40 cm
- Temperature
- 23 – 27°C
- pH
- 8.1 – 8.4
- Salinity
- 1.023 – 1.025
- Difficulty
- ★★★☆☆
- Water type
- marine
- Swimming level
- medium
- Behavior
- semi-aggressive (eats invertebrates)
- Minimum number of individuals
- 1
- Minimum aquarium size
- 600 L
- Diet
- carnivore (mussels, clams, shrimp in the shell to wear down the beak)
- Reproduction
- oviparous
Notes: It puffs itself up and raises its spines when frightened; it’s best not to provoke it. Very expressive and curious. It produces a lot of waste: it needs a powerful filter. Reef Safe: ❌ No (eats shrimp, snails, and crabs)
