Definition
Scartella is a genus of combtooth blennies, small fish found in shallow, rocky coastal waters. They are known for their comb-like teeth, used for scraping algae. Consider it like a particular brand of algae-eating machines. They're small and colorful, making them popular in aquariums. These blennies are like the gardeners of the reef, keeping everything tidy. Their presence is important for maintaining the balance of the ecosystem.