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Asteroidea (Class) |
Originating from the class Asteroidea, starfish are echinoderms that have been around for over 450 million years. While most species sport 5 arms, others like the Antarctic Labidiaster can have more than 50. The Giant Sea Star ( Pisaster giganteus ) is another interesting species that can grow up to 24 inches in diameter. Despite their slow pace, starfish are aggressive predators, often causing extensive damage to coral reefs.
Scientific Names of Various Starfish Species
- Giant Sea Star – Pisaster giganteus
- Antarctic Labidiaster – Labidiaster annulatus
- Blue Sea Star – Linckia laevigata
- Chocolate Chip Sea Star – Protoreaster nodosus
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