名詞 daphnia:

1. minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae
   同義詞：water flea

daph.ni.a

n.（名詞）
【復(fù)數(shù)】 daphnia
Any of various water fleas of the genusDaphnia, some species of which are commonly used as food for aquarium fish.
水蚤：水蚤科中的一種水蚤屬 水生跳蚤，其中的一些種類通常用作水族館魚類的食物

來源：
New Latin Daphnia [genus name]
現(xiàn)代拉丁語 Daphnia [屬名]
perhaps from Latin Daphnô [Daphne]
可能源自 拉丁語 Daphnô [瑞香屬]