Fang blennies get their name because they have two defensive fangs on their lower jaws. If a predator gets one in its mouth, the fang blenny will bite its attacker’s mouth. This usually results in them being spit out to freedom.
Gosline’s Fang Blenny
Graham's Island 
well that’s a novel technique
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Whatever works.
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And it looks so innocent.
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You have to watch out for those types!
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My mother said the quiet ones.
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I’ve heard that said!
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Great defence
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I guess it works.
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What a great name
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It is, isn’t it.
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