Blobfish

Psychrolutes marcidus, the smooth-head blobfish, also known simply as blobfish, is a deep-sea fish of the family Psychrolutidae. It inhabits the deep waters off the coasts of mainland Australia and Tasmania, as well as the waters of New Zealand. Blobfish are typically shorter than 30 cm.

https://en.wikipedia.org/wiki/Psychrolutes_marcidus