ランブル鞭毛虫[ranburubenmouchuu] giardia (flagellate protozoan)
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
いも虫[imomushi] hornworm (caterpillar of a hawk moth)
益虫[ekichuu] useful insect
円虫類[enchuurui] round worms

夏虫[natsumushi] summer insect
蛔虫[kaichuu] roundworm (Ascaris lumbricoides)
害虫[gaichuu] harmful insect
鈎虫[kouchuu] hookworm
寄生虫[kiseichuu] parasite

蟹座[kaniza] Cancer (constellation)
弁慶蟹[benkeigani] grapsoid (anim)
毛蟹[kegani] hair crab (Erimacrus isenbeckii)
蟹股[ganimata] bowlegged
沢蟹[sawagani] Japanese freshwater crab (Geothelphusa dehaani)

甲蟹[kabutogani] horseshoe crab
蟹工船[kanikousen] crab-canning boat
蟹玉[kanitama] Chinese dish with fried egg and crab
蟹缶[kanikan] canned crab