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Below is an image displaying the common expressions for describing the tail fins of fishes.

A brief overview of common fish tail types with real fish-examples! Great for fisherpersons, divers, and fish admirers to learn and/or brush-up on identification skills. Fishes. Nature. Love. Chaos. That's the core essence of Koaw. Educating while entertaining! Thank you for watching!

The types of caudal fins described here will be protocercal, heterocercal, hemihomocercal, hypocercal, homocercal, leptocercal (diphycercal), isocercal, and gephyrocercal. (See image).

Check out my YouTube video on how fishes detect fishing lures using vision, the lateral line system, & hearing. It's cool stuff!