Acanthasteridae
The Acanthasteridae are a family of starfish, commonly known as crown-of-thorns starfish. This family is a group of large, predatory starfish with distinctive, spiny bodies and colorful, often vibrant, patterns. These starfish are found in the Indo-Pacific region, playing a crucial role in the coral reef ecosystem. However, they are also known to cause significant damage to coral reefs due to their feeding habits.
Common Names
The most widely recognized common name for members of the Acanthasteridae is crown-of-thorns starfish, referring to the venomous spines that resemble the thorns of a crown.
Characteristics
Acanthasteridae species are characterized by:
- Large size: They can grow to a diameter of up to 35 cm (14 inches).
- Spiny body: Their bodies are covered in sharp, venomous spines, which can inflict painful injuries.
- Bright colors: Their colors are typically vivid, ranging from red and orange to purple and blue.
- Many arms: Acanthasteridae have a variable number of arms, typically 7 to 21, which can be long and slender.
- Predatory habits: They are carnivores, feeding primarily on coral polyps.
Environment
Acanthasteridae are found throughout the Indo-Pacific region, including the Red Sea, the Indian Ocean, and the Pacific Ocean. Their preferred habitat is coral reefs, where they feed on live coral polyps.
References
For further information and scientific resources on Acanthasteridae, consult these reliable sources: