How are starfish and crabs alike for real facts?

Starfish and crabs are both marine animals, but they belong to different biological groups; starfish are echinoderms, while crabs are crustaceans. Both have adapted to life in various ocean environments and play important roles in their ecosystems as predators and scavengers. Additionally, they exhibit fascinating behaviors, such as regeneration in starfish and the ability of crabs to communicate through chemical signals. Despite their differences in structure and classification, both rely on their surroundings for food and shelter.