NOT KNOWN FACTUAL STATEMENTS ABOUT RIDDLES

Q: My skin is environmentally friendly and slippery, I have four legs and webbed ft, I hop on land and swim underwater, I really like bugs and tiny fish to try to eat. What am I?The short is a few magician seeking to complete a exhibit with his uncooperative rabbit which is a gag-stuffed homage to traditional cartoons such as Tom and Jerry and Loon