海鷂魚[ei] ray (fish)
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一天四海[ittenshikai] the world
雲海[unkai] sea of clouds
沿海[enkai] coast

遠海[enkai] deep sea
黄海[koukai] Yellow Sea
温海[atsumi] warm sea
海の幸[uminosachi] seafood

蝲蛄[zarigani] crayfish (esp. Japanese crayfish, Cambaroides japonicus)
蝦蛄[shako] mantis shrimp (any marine crustacean of order Stomatopoda, esp. the species Oratosquilla oratoria)
螻蛄[kera] mole cricket (esp. the Oriental mole cricket, Gryllotalpa orientalis)
アメリカ蝲蛄[amerikazarigani] red swamp crayfish (Procambarus clarkii)
蝦蛄葉サボテン[shakobasaboten] Christmas cactus

海蝲蛄[umizarigani] lobster
飛螻蛄[tobikera] caddisfly
飛螻蛄目[tobikeramoku] Trichoptera (the order of insects comprising the caddisflies)
川螻蛄[kawagera] stonefly (any insect of order Plecoptera, esp. those of family Perlidae)
日本蝲蛄[nihonzarigani] Japanese crayfish (Cambaroides japonicus)

蝲蛄[zarigani] crayfish (esp. Japanese crayfish, Cambaroides japonicus)
アメリカ蝲蛄[amerikazarigani] red swamp crayfish (Procambarus clarkii)

海蝲蛄[umizarigani] lobster
日本蝲蛄[nihonzarigani] Japanese crayfish (Cambaroides japonicus)