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Chocolate chip starfish (Protoreaster nodosus)
AI illustration, not an ID reference

Chocolate chip starfish

Protoreaster nodosus

InvertebratesSaltwater

Care level
Easy
Temperament
Peaceful
Reef safe
No
Recommended tank
250 L
Maximum size
25 cm
Temperature
24–27 °C
pH
8–8.4
Diet
Omnivore

Care at a glance

The chocolate chip starfish owes its name to the dark, cone-shaped knobs on its back, sitting like chocolate chips on a beige biscuit. It is one of the hardiest starfish for the aquarium and easier to keep than most of its relatives.

Reef safe it is not, however: it moves over corals, clams and anemones and digests them with its everted stomach. So keep it in a tank without corals, with a generous sand bed, and feed it deliberately with pieces of fish or mussel.

Good to know

  • Preys on shrimp and snails

Best not combined with

Related species

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Values are mainstream hobbyist guidance, not gospel — always watch what your own animals need.