Cuttlefish-Cuttlebone2

Description:

Description: English: Dorsal surface of a cuttlebone, the buoyancy organ and internal shell of a cuttlefish (Outside). It may be the sepion of Kisslip cuttlefish (Sepia lycidas) because of its outline and thickened inner cone of the ventral side (identified by User:Kingfiser). 日本語: カミナリイカの甲 (背側)。腹側の写真における内円錐の特徴により、カミナリイカ Sepia lycidasのものであると同定できる（User:Kingfiserによる同定）。 Ventral side of the cuttlebone. Date: 24 June 2012. Source: Own work. Author: Mariko GODA.