The most temperamental fish



Neoclinus blanchardi - demersal fish, which looks quite normally until the danger. If it is approaching predator or another threat, she opens her mouth with a huge and terrible, to scare him. Sometimes she scares fixed objects, such as stones or unusual plants. If two of these fish that is not shared with each other, they begin to fight that from the looks quite funny: the fight mouths.

via factroom.ru