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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Isopoda
Suborder: Cymothoida
Family: Aegidae
White, 1850

The Aegidae are a family of isopod crustaceans. The adults are temporary parasites of fish, feeding on their hosts' blood before dropping off to digest the meal.[1] They differ from members of the family Cirolanidae in having only three pairs of hook-like pereiopods, whereas in Cirolanidae all seven pairs of pereiopods are hooked.[2] The family contains the following genera:[3]

See also[edit]


  1. ^ Richard C. Brusca, Vánia R. Coelho & Stefano Taiti (2007). "Isopoda". In Sol Felty Light, James T. Carlton. The Light and Smith Manual: Intertidal Invertebrates from Central California to Oregon (4th ed.). University of California Press. pp. 503–542. ISBN 9780520239395. 
  2. ^ Roger Tory Peterson, Kenneth L. Gosner (1999). A Field Guide to the Atlantic Seashore: from the Bay of Fundy to Cape Hatteras. Peterson Field Guide 24. Houghton Mifflin Harcourt. p. 225. ISBN 9780618002092. 
  3. ^ WoRMS (2011). M. Schotte, C. B. Boyko, N. L. Bruce, G. C. B. Poore, S. Taiti & G. D. F. Wilson, ed. "Aegidae". World Marine, Freshwater and Terrestrial Isopod Crustaceans database. World Register of Marine Species. Retrieved January 12, 2012.