蛄

crayfish (esp. the Japanese crayfish or red swamp crayfish)

stonefly (any insect of order Plecoptera, esp. those of family Perlidae)

Christmas cactus

caddisfly

being a jack of all trades and master of none

Japanese mud shrimp (Upogebia major)

being a jack of all trades and master of none

mantis shrimp (any marine crustacean of order Stomatopoda, esp. the species Oratosquilla oratoria)

red swamp crayfish (Procambarus clarkii)

mole cricket (esp. the Oriental mole cricket, Gryllotalpa orientalis)