kingfisher (esp. the common kingfisher, Alcedo atthis)
 otter (Lutra lutra);  Japanese river otter (Lutra lutra whiteleyi)
 upper reaches of a river;  upstream
 riverside;  edge of a river
 pike (esp. the Amur pike, Esox reichertii);  pickerel
 Mikawa (former province located in the east of present-day Aichi Prefecture)
 Japanese spatterdock (species of water lily, Nuphar japonica)
 great cormorant (Phalacrocorax carbo)
 broad-winged damselfly (of family Calopterygidae)
 brook trout (Salvelinus fontinalis)
 dark chub (Nipponocypris temminckii)
 red river hog (Potamochoerus porcus);  bush pig
 lowly people (Edo period);  eta
 aquatic insect larva (esp. of caddisflies, mayflies, etc.)
 riverside willow (esp. rosegold pussy willow, Salix gracilistyla);  Salix gilgiana (species of willow);  high-quality coarse tea
 Korean mint (Agastache rugosa);  purple giant hyssop
 rapids;  shallows of a river
 along the river;  riverside
 river surface;  surface of a river
 river surface;  surface of a river
 hippopotamus (Hippopotamus amphibius)
 Milky Way;  luminous band corresponding to the plane of the galaxy
 river fish;  freshwater fish
 going downstream (in a boat)
 (formation of) three people sleeping side by side (esp. a child between two parents); (lit.) "river" character
 barfin flounder (Verasper moseri)
 the other side of a river;  the other side of the tracks;  place where lower class people live
 riverbed;  raised platform on the bank of a river for enjoying the cool in summer
 enjoying oneself on a river (e.g. boating, swimming, fishing)
 course of a river;  land along a river
 being carried away by a current;  drowning in a river;  person who drowned in a river;  cancellation;  standing up
 being fast asleep (and totally unaware of what is going on around one);  know-it-all manner
 bamboo growing along a river bank;  Japanese timber bamboo (Phyllostachys bambsoides);  giant timber bamboo;  Simon bamboo (Pleioblastus simonii); (arch.)  prostitute; (arch.)  the life of a prostitute
 suspension of ferry service
 kappa (mythical water-dwelling creature);  river god
 Buddhist services in memory of those drowned in a river;  offering to suffering spirits at the river
 catch (fish) of the river;  products of the river;  fruits of the river
 plover on the riverside;  plovers near a river
 glow of a river in the darkness;  surface of a river gleaming in the darkness;  gleam on a river at dusk
 Japanese water shrew (Chimarrogale platycephala)
 Arctic lamprey (Lethenteron camtschaticum)
 Batrachospermum gelatinosum (species of red alga)
 Margaritifera laevis (species of freshwater pearl mussel)
 Sarcocheilichthys variegatus variegatus (subspecies of cyprinid)
 Arctic grayling (Thymallus arcticus)
 Mozambique tilapia (tilapiine cichlid fish native to southern Africa, Oreochromis mossambicus)
 golden mussel (Limnoperna fortunei)
 spinycheek sleeper (Eleotris oxycephala);  spined sleeper
 amanatsu (Citrus natsudaidai);  sweet form of Chinese citron
 water pepper (Persicaria hydropiper f. aquaticum)
 Asian swamp eel (Monopterus albus)