ōnamazu (giant catfish thought to cause earthquakes)
(person) slippery as an eel
woodblock print depicting a giant catfish (popular in Edo after the 1855 earthquake)
electric catfish (any species of family Malapteruridae, esp. species Malapterurus electricus)
electric catfish (any species of family Malapteruridae, esp. species Malapterurus electricus)
upside-down catfish (Synodontis nigriventris)