1. Starfish is not their correct name because they are not fish, they should be known as sea stars.
2. There are around 2000 species of sea stars.
3. Sea stars have an eye at the end of each arm so Red has five eyes.
4. Different species have more arms than red. The sunflower star has up to forty arms. 
5. Seastars can regrow an arm if something eats it.