OceaniaNot evaluated
Crown-of-thorns starfish
Acanthaster planci
A big starfish covered in poisonous spines that eats coral on reefs.
- Weight
- Not well known
- Size
- Usually 25–35 cm wide
- Lifespan
- Not well known
- Top speed
- Crawls slowly
- Diet
- Coral
Where it lives
Three things to know
- When too many appear, they can eat large parts of the Great Barrier Reef.
- It can have up to 21 arms.
- It can regrow lost arms.
Compare with…
- Weight
- Crown-of-thorns starfish—A 10-year-old kid40 kgNot well known
- Size
- Crown-of-thorns starfish35 cmA 10-year-old kid1.4 mThe kid is about 4× as big as the crown-of-thorns starfish
- Top speed
- Crown-of-thorns starfish—A 10-year-old kid20 km/hToo slow to time
- Lifespan
- Crown-of-thorns starfish—A 10-year-old kid80 yrsNot well known
Food chain
- CoralProducer
Crown-of-thorns starfishThis animal- Giant triton