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Title: Cranchiidae  
Author: World Heritage Encyclopedia
Language: English
Subject: Teuthowenia megalops, Gladius (cephalopod), Teuthowenia maculata, Taonius pavo, Teuthowenia pellucida
Collection: Squid
Publisher: World Heritage Encyclopedia


Cranchiid squid juvenile found in plankton, Antarctica
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Coleoidea
Order: Teuthida
Suborder: Oegopsina
Family: Cranchiidae
Prosch, 1847

About 15, see text.

The family Cranchiidae comprises the approximately 60 species of glass squid, also known as cockatoo squid, cranchiid, cranch squid, or bathyscaphoid squid.[1] Cranchiid squid occur in surface and midwater depths of open oceans around the world. They range in

  • CephBase: Cranchiidae

External links

  1. ^ Mark Norman & C.C. Lu (2000). "Preliminary checklist of the cephalopods of the South China Sea" (PDF). The Raffles Bulletin of Zoology (Supplement No. 8): 539–567. 
  2. ^ Mark Norman 2000. Cephalopods: A World Guide. Hackenheim, ConchBooks, p. 156.
  3. ^ Richard E. Young and Katharina M. Mangold (1922-2003). "Cranchiid Buoyancy". The Tree of Life Web Project. Retrieved March 14, 2012. 
  4. ^ Richard E. Young and Katharina M. Mangold (1922-2003) (2008). "Cranchiidae Prosch, 1847. Bathyscaphoid squids". The Tree of Life Web Project. Retrieved March 14, 2012. 


The genus listed above with an asterisk (*) is questionable and needs further study to determine if it is a valid genus or a synonym.

[4] The family contains two


A cranchiid squid observed during the Operation Deep Scope Expedition of 2004. The image on the right was taken with a polarising filter.

Cranchiid squid represent no interest to commercial fisheries.

Like most squid, the juveniles of cranchiid squid live in surface waters, descending to deeper waters as they mature. Some species live over 2 km below sea level. The body shape of many species changes drastically between growth stages, and many young examples could be confused for different species altogether.


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