During the present study, we aimed at providing a first look at the elemental composition of the early stages of cephalopods as an approach to their elemental requirements in culture. Essential and non-essential elemental profiles of the European cuttlefish Sepia officinalis, the European squid Loligo vulgaris and the common octopus Octopus vulgaris laboratory hatchlings and wild juveniles were...

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Cephalopods have the most sophisticated dynamic skin coloration for rapidly camouflage in nature. Previous studies have suggested that the pair of optic lobes located bilaterally in their brain plays a key role in controlling the expansion of chromatophores for generating diverse body patterns. However, the functional organization of the optic lobes and their neural control of various body patt...

This study presents the results of examination cephalopod remains extracted from digestive tract 40 loggerhead turtles, Caretta caretta, stranded along Campanian coasts (Southern Italy, eastern Tyrrhenian Sea). We retrieved 23 cephalopods 16 turtles (frequency occurrence = 40%). They belonged to Sepia officinalis (19 specimens) and Octopus vulgaris (2 specimens), both them benthic neritic speci...

The contractile protein myosin II is ubiquitous in muscle. It is widely accepted that animals express tissue-specific myosin isoforms that differ in amino acid sequence and ATPase activity in order to tune muscle contractile velocities. Recent studies, however, suggested that the squid Doryteuthis pealeii might be an exception; members of this species do not express muscle-specific myosin isofo...