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{{TyranidsPortal}}[[Image:Hiveship.jpg|thumb|right|Tyranid [[Hive Ship]]⁴{{Fn|1}}]]'''Bio-ships''' are the living spacecraft making up the [[Tyranid]] [[Hive Fleet]]s. Although bio-ships take on a seemingly endless variety of forms, they are broadly divided by the [[Imperium]] into three major classes, depending on its general role in the Hive Fleet. The ships are also factories producing the different [[Species of Tyranid|Tyranid species]] used in ground invasions. The ships themselves are essentially the largest species of Tyranid and are controlled by the [[Hive Mind]].

*{{Endn|1}}: [http://www.games-workshop.com/gws/catalog/armySubUnitCats.jsp?catId=cat490029a&rootCatGameStyle= Tyranid Hive Ship]===Uncited===*[[Space Fleet (game)|Space Fleet]] game (1991)*¹: [[White Dwarf#146]] 146, Jan. (January 1992)*²: [[Codex: Tyranids (5th Edition)]] p, pg. 14*[[Battlefleet Gothic Armada]], pppgs.80-94**³: p. 88*⁴: [http://www.games-workshop.com/gws/catalog/armySubUnitCats.jsp?catId=cat490029a&rootCatGameStyle= Tyranid Hive Ship]