- Kingdom: Animalia
- Phylum: Chordata
- Subphylum: Vertebrata
- Superclass: Gnathostomata
- Class: Holocephali
- Order: Chimaeriformes
- Family: Chimaeridae
- Scientific name: Chimaera monstrosa
- Norwegian: havmus
The rounded nose and the long whip-like tail give this fish a characteristic look. The first out of two dorsal fins has a stout spine, connected to a gland of poison. Keep clear! It can grow to a weight of 2,5 kg and a length of 1.5 meters, including the tail.
The rabbit fish (also known as rat fish) is very common on depths ranging from 30 to 1000 meters. In the fjords it can be seen by divers as it migrate vertically up to 10-15 meters during dark winter nights. It is often encountered resting on muddy or sandy substrate in not too steep slopes.
It is registered in the Mediterranean and East Atlantic Ocean, from Morocco, Madeira and the Azores to Norway.