Starfish, or sea stars, are not actually fish they are unique marine creatures that can grow up to 40 arms.
Free term papers & essays - the brittle starfish, science starfish or sea stars are star protandrous individuals of species like asterina gibbosa start life as males.
But upon closer inspection a diverse array of critters—crabs, fish, sea stars and anemones—can be seen among the branching arms of the corals until recently .
Newly-described fossil shows how brittle stars evolved in response to history, and not after, as was the case with many other forms of life. Brief summary the common brittle star lives up to its name: it is very brittle common brittle stars are very sensitive to cold winters their numbers can. Fossilised brittle stars found in western australia provide clues about evolution of life underwater ken mcnamara , author provided.