【和名:ホロミジンコ】

1.0~1.8mmで,ゼラチン質の外皮を持ち,大きなホロを広げたように見える.北方性種と考えられ,比較的深い湖沼に見られる.

1901Holopedium_gibberum_01_200x300n 1901Holopedium_gibberum_02_200x300n 1901Holopedium_gibberum_03_200x300n

1901Holopedium_gibberum_04_200x300n 1901holopedium_gibberum_05_200x430n