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Crown Of Thorns Starfish Weight. A blackspotted puffer Arothron nigropunctatus feeds on a crown-of-thorns starfish in the laboratory nipping at it with its strong beak. These sea stars can be from nine inches to up to three feet in diameter. The crown-of-thorns starfish is protected from many types of predators by its long venomous spines though many adults up to 60 within a population may have missing arms indicating that predation does occur. Surprising Crown of Thorns Starfish Facts.
This species is a well-known coral predator and outbreaks of tens of thousands of individuals have been known to cause serious harm to. These spines are somewhat flexible in life and are used for locomotion and for defense from potential predators. Browse 195 crown of thorns starfish stock photos and images available or search for common starfish or basket starfish to find more great stock photos and pictures. These sea stars can be from nine inches to up to three feet in diameter. This occurs during a period of the crown of thorns starfish life cycle where small juveniles shift from a vegetarian diet of algae to coral prey. One of the most noticeable features of the crown-of-thorns starfish is the spines which may be up to two inches long.
This species was previously known to eat crown-of-thorns.
A single crown-of-thorns starfish is formidable with a large body covered in spiky venomous thorns. A single crown-of-thorns starfish is formidable with a large body covered in spiky venomous thorns. The crown-of-thorns starfish is a sea star named for the spines that cover its body and arms. Juveniles assume more cryptic behaviors inhabiting crevices and the undersides of ledges. Food limitation in the growth and development of crown-of-thorns starfish in the Great Barrier Reef. A blackspotted puffer Arothron nigropunctatus feeds on a crown-of-thorns starfish in the laboratory nipping at it with its strong beak.