Tony Wu / Striped poison-fang blenny mimic (Petroscirtes breviceps) male inside bivalve shell, guarding eggs laid by different females adhered to inside of shell. Shizuoka Prefecture, Honshu, Japan. June.

Magnus Lundgren / Wild Wonders of China / Striped poison-fang blenny (Meiacanthus grammistes) Xiaoliuqiu Island, Taiwan. Venomous species.

Magnus Lundgren / Wild Wonders of China / Striped poison-fang blend (Meiacanthus grammistes) Xiaoliuqiu Island, Taiwan

Georgette Douwma / Striped poison fang blenny (Meiacanthus grammistes) in a bottle. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Striped poison-fang blenny (Meiacanthus grammistes) swimming out of discarded bottle home, surrounded by rubbish, Sulawesi, Indonesia. November.

Juergen Freund / Striped poison-fang blenny (Meiacanthus grammistes) using a discarded oil container as its home, Sulawesi, Indonesia. November.

Juergen Freund / Striped poison-fang blenny (Meiacanthus grammistes) in its discarded bottle home, surrounded by rubbish, Sulawesi, Indonesia. November.

Juergen Freund / Striped poison-fang blenny (Meiacanthus grammistes) swimming above its discarded bottle home, surrounded by rubbish, Sulawesi, Indonesia. November.

Juergen Freund / Shorthead fang blenny / Striped poisoned-fang blenny (Petroscirtes breviceps). Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Striped poison-fang blenny mimic (Petroscirtes breviceps) mimic of Striped blennie (Meiacanthus grammistes), which possesses a pair of large grooved fangs in the lower jaw with associated venom glands...

Georgette Douwma / Striped poison-fang blenny mimic (Petroscirtes breviceps) mimic of Striped blennie (Meiacanthus grammistes) which possesses a pair of large grooved fangs in the lower jaw with associated venom glands....

Birgitte Wilms / Striped Blenny (Meiacanthus grammistes) in its burrow surrounded by Christmas Tree Worms (Spirobranchus giganteus) 40 feet deep, Galapagos Islands, Ecuador