Deep Sea Profile
A territorial fish that unfurls its mouth to four times its head size to startle rivals.
Frequently Asked Questions
Why the name?
It refers to its aggressive, 'grumpy' temperament.
Sarcastic fringehead

Image via Wikimedia Commons
3–73 m (10–240 ft)
Up to 30 cm (12 in)
Seafloor / Shells
Small crustaceans
"I am extremely territorial and live in empty snail shells or even discarded soda cans."
Think you know the Sarcastic Fringehead?
Start QuizA territorial fish that unfurls its mouth to four times its head size to startle rivals.
It refers to its aggressive, 'grumpy' temperament.