n. A Pacific fish, Hydrolagus collei, that has a long rat-like tail
n. A chimaera
the GNU version of the Collaborative International Dictionary of English
n. Same as rat-tail.
The Century Dictionary and Cyclopedia
n. A selachian fish, the Chimæra colliæi.
Word Usage
"After the albino ratfish was caught the researchers attempted to keep her alive in a bucket of water but, in spite of boards placed over the top, she managed to flip out of the bucket onto the deck during the night."