http://UGENA.org The Sarcastic Fringehead is a ferocious fish which has a large mouth and aggressive territorial behavior. When two fringeheads have a territorial battle, they wrestle by pressing their huge mouths against each other, as if they were kissing. This allows them to determine which is the larger fish and so dominance is established.
Channel Islands National Marine Sanctuary
Filmed and Edited by Jeff Litton
All images copyright © Jeff Litton, 2009
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Here is what a normal Sarcastic Fringehead is like if anyone happens to be interested.