A clown fish lives among the stinging tentacles of a sea anemone and gets protection from predators, while the anemone does not appear to derive any benefit nor is it harmed. This type of ecological interaction is known as:

Step-by-step solution

Commensalism is an ecological interaction between two species in which one species benefits and the other is neither harmed nor benefited (+, 0). The interaction between the sea anemone and the clown fish is a classic example of commensalism. The clown fish gets protection from predators by living among the stinging tentacles of the sea anemone, while the sea anemone does not derive any apparent benefit nor is it harmed by hosting the clown fish. Answer: Commensalism