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A starfish is a marine animal (echinoderm) that has five or more arms, so it is shaped like a star. Because it is not a fish, some now refer to it as a sea star. It has a hard, craggy upper shell and hundreds of sticky "feet" on its bottom side that let it attach itself to rocks.

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What size do sunflower starfish grow to?

Sunflower starfish can grow quite large, reaching a diameter of up to 3 feet (about 90 centimeters) or more. They typically have between 15 to 25 arms, which contribute to their expansive size. These starfish are known for their distinctive appearance and can weigh over 5 pounds (around 2.3 kilograms).


What types of starfish are there in New Zealand?

there are cusion starfish, reef starfish, spiny starfish and fire brick starfish in new zealand.


What types of different starfish are there What is the scientific name for a starfish?

It is called toilet water.


How a young starfish may differ from the adult starfish?

Young starfish, or larvae, differ significantly from adult starfish in both appearance and lifestyle. While adults exhibit the characteristic radial symmetry and distinct arms, young starfish are often bilaterally symmetrical and may have a more gelatinous, free-swimming form. Additionally, the larvae primarily float in the water column, relying on plankton for nourishment, whereas adults are benthic, feeding on small invertebrates and detritus on the ocean floor. This transition from a pelagic to a benthic lifestyle marks a significant developmental change as they mature.


Do starfish die?

Yes they can


Is a starfish an animal plankton?

Sure, starfish larvae are planktonic. Adult starfish are not.


Who were starfish ancestors?

Starfish Ancestors


What are spiny starfish?

they are starfish that is spiny


What is a Caribbean starfish?

a starfish from the carribean?


Which starfish is the biggest?

sunflower starfish


What is a bridal starfish?

it is a starfish which is married


What is the predator of the starfish?

Sharks, fish and manta rays are predators of the starfish. Larger starfish also prey on and attack smaller starfish.