The tiny fish that settles fights by unhinging its whole face
This little fish settles fights by unhinging its face like a spiky umbrella.
Which one is REALLY true about the Sarcastic Fringehead?
The short version
The sarcastic fringehead is a small, absurdly territorial Pacific fish that lives crammed inside shells, burrows, and even discarded bottles. When two males clash they flare open enormous mouths several times wider than their heads and press them together, mouth to mouth — the bigger gape wins the territory.
Why it's so weird
- ✓The Sarcastic Fringehead lives crammed inside empty shells, burrows, and even discarded bottles along the Pacific coast.
- ✓The Sarcastic Fringehead is absurdly territorial for its size, and is usually under a foot long.
- ✓The Sarcastic Fringehead flares its mouth open like a spiky umbrella, several times wider than its own head.
- ✓The Sarcastic Fringehead settles territory fights by pressing its gaping jaws against a rival's, mouth to mouth.
- ✓The Sarcastic Fringehead loses or wins on gape alone, because whichever fish has the bigger mouth takes the territory.
You could line up about 5 of them along a 7-year-old!
The full story
This small fish settles arguments by unhinging its entire face. Meet the sarcastic fringehead, a fierce little predator that lives along the Pacific coast, usually crammed inside an empty shell, a burrow, or even a discarded bottle. It is absurdly territorial for its size. When another fringehead comes too close, the two males rush at each other and flare open enormous mouths that unfold like spiky umbrellas, several times wider than their own heads. Then they press those gaping jaws together, mouth to mouth, in a bizarre wrestling match. Whichever fish has the bigger gape wins the territory, and the loser retreats. All of that fury comes from a fish that is usually under a foot long. Tiny, furious, and armed with a face that opens like a trapdoor. Follow for more weird animal facts.
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“The Sarcastic Fringehead lives crammed inside empty shells, burrows, and even discarded bottles along the Pacific coast.”
“The Sarcastic Fringehead is a small lizard found only in the rainforests of Madagascar.”
“The Sarcastic Fringehead is absurdly territorial for its size, and is usually under a foot long.”