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A Handbook for the identification of cephalopod beaks
Methods general recommendations field instructions laboratory examination of samples identification of cephalopod beaks key to the lower beaks of cephalopod subclasses and orders identification ofExpand
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A Review of the Systematics and Ecology of Oceanic Squids
Publisher Summary This chapter illustrates the systematics and ecology of oceanic squids. It describes distribution in sea, life history, egg masses, growth, size, form, structural variation,Expand
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CEPHALOPODS AS PREY. III. CETACEANS
Over 80% of odontocete species and two balaen whale species include cephalopods in their diet regularly. In 28 odontocetes they comprise the main food. Predominently cephalopod-eating species areExpand
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Assessing the importance of cephalopods in the diets of marine mammals and other top predators: problems and solutions
Abstract The methodology typically used in the analysis of predator diets is subject to a range of errors and biases and these are reviewed in relation to estimating the consumption of cephalopods byExpand
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The role of cephalopods in the world’s oceans: general conclusions and the future
In this volume we have considered the problems of investigation special to cephalopods. Almost all our knowledge of their general biology is restricted to the shelf-living, muscular, negativelyExpand
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The diet of sperm whales (Physeter macrocephalus Linnaeus 1758) off the Azores.
Stomach contents from 17 sperm whales, 15 males and two females, caught during commercial activities in 1981-1984 in the Azores region were identified and measured. A total of 28,738 cephalopods andExpand
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On the use of ammonium for buoyancy in squids
Squids (teuthoids) fall into two distinct groups according to their density in sea water. Squids of one group are considerably denser than sea water and must swim to stop sinking; squids in the otherExpand
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The cephalopod statolithan-introduction to its form
Terms, dimensions and ratios for statolith description are defined. The form of the calcareousstatoliths in the Teuthoidea, Sepiodea and Octopoda is described by reference to Loligo forbesi, SepiaExpand
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