electric eel (Electrophorus electricus)
 electric eel (Electrophorus electricus)
 Japanese eel (Anguilla japonica)
 rising rapidly (e.g. prices, popularity);  soaring;  skyrocketing;  going through the roof
 pelican eel (Eurypharynx pelecanoides)
 bowl of eel and rice (donburi)
 electric eel (Electrophorus electricus)
 long, narrow house (e.g. traditional Kyoto townhouse); (lit.) eel bed
 giant mottled eel (Anguilla marmorata);  marbled eel
 eel going downstream to spawn
 broiled eel on rice with green tea poured on top
 hagfish (esp. the species Myxine garmani from Japan)
 electric eel (Electrophorus electricus)
 Asian swamp eel (Monopterus albus)
 reedfish (Erpetoichthys calabaricus);  ropefish
 whiptail gulper (any gulper eel of family Saccopharyngidae)
 slender snipe eel (Nemichthys scolopaceus)
 European eel (Anguilla anguilla)
 eel-like sea creature (i.e. saltwater eels, sea snakes, etc.)