Cephalopod Beak guide for the Southeren Ocean - download pdf or read online

By Dr. José Xavier & Dr. Yves Cherel

ISBN-10: 085665146X

ISBN-13: 9780856651465

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0 mm LRL Taonius sp. 5 mm LRL SOUTHERN OCEAN | 59 FAMILY HISTIOTEUTHIDAE Figure 13 | pages 24 & 90 Histioteuthis arcturi | =H. 5 mm LRL continue...

2002b; Xavier et al. 2003a,b). This species can be found in the diet of large procellariiforms outside its geographical range because it is a common bait used by longliners (Catard et al. 2000). Finally, Todarodes sp. is common in Kerguelen waters only, where it is consumed by many predators (Cherel & Weimerskirch 1995; Cherel et al. 2000, 2002c; Cherel et al. 2004; Cherel & Duhamel 2004). Practical procedures to differentiate the lower beaks of these species: M. hyadesi has more acutely pointed rostrum than I.

00lnLRL (n=45 for ML and M, using total weight of preserved specimens) (Lu & Ickeringill 2002) This subtropical species is present in the diet of predators from the Indian, Pacific and Atlantic Oceans, including catsharks in South Africa, tuna in the Tasman sea, and elephant seals and whales in Brazil (Young et al. 1997, Richardson et al. 2000; Aguiar & Haimovici 2001). Practical procedures to differentiate the lower beaks of this species: Lycoteuthis lorigera. This species is distinguishable from other species by the dark aspect of the beak and by the well-developed ridge in the lateral wall.

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Cephalopod Beak guide for the Southeren Ocean by Dr. José Xavier & Dr. Yves Cherel


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