ヒドロムシ類 でしょう
hidoro mushiruideshō
1. Water fleas
Noun
1. Water fleas
1. marine products; seafood
1. to be worm-eaten; to be eaten by worms
2. to affect adversely; to spoil
1. tooth decay; decayed tooth
1. reptiles
1. humid; sultry
1. first base
2. first baseman
3. one fort
1. coward; weakling
1. insecticide; insect repellent