Results 61 to 70 of about 29,984 (216)

A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean [PDF]

open access: yes, 2012
The development of models of marine ecosystems in the Southern Ocean is becoming increasingly important as a means of understanding and managing impacts such as exploitation and climate change.
Bengston, J.   +15 more
core  

Calamares de la familia Onychoteuthidae Gray, 1847 en el Océano Pacífico suroriental [PDF]

open access: yes, 2016
Indexación: Web of ScienceHooked squids (Family Onychoteuthidae Gray, 1847) inhabit all oceans of the world except the Arctic. This family is currently comprised of 25 species belonging to seven genera.
Cifuentes-Bustamante, AF, Ibanez, CM
core   +1 more source

The pupillary response of cephalopods [PDF]

open access: yesJournal of Experimental Biology, 2005
SUMMARYThis paper provides the first detailed description of the time courses of light-evoked pupillary constriction for two species of cephalopods, Sepia officinalis (a cuttlefish) and Eledone cirrhosa (an octopus). The responses are much faster than hitherto reported, full contraction in Sepia taking less than 1 s, indicating it is among the most ...
Douglas, R. H.   +2 more
openaire   +3 more sources

Cephalopod Resources of Venezuela [PDF]

open access: yes, 1989
The cephalopod resources of Venezuela are reviewed, based on previous literature and observations from commercial catches. The history of the squid and octopus fishery in the major fishing grounds is presented along with information on the catches and ...
Arocha, Freddy
core  

E Pluribus Octo – Building Consensus on Standards of Care and Experimentation in Cephalopod Research; a Historical Outlook

open access: yesFrontiers in Physiology, 2020
The Directive 2010/63/EU “on the protection of animals used for scientific purposes” originally induced some concern among cephalopod researchers, because of the inclusion of cephalopod mollusks as the only invertebrates among the protected species. Here
Fabio De Sio   +11 more
doaj   +1 more source

Ontogenetic Variation and Sexual Dimorphism of Beaks among Four Cephalopod Species Based on Geometric Morphometrics

open access: yesAnimals, 2023
Investigating the ontogenetic variation of biological individuals helps us to fully understand the characteristics of evolution. In order to explore the ontogenetic variation and sexual dimorphism of the beak shape in Octopus minor, Uroteuthis edulis ...
Chao Wang, Zhou Fang
doaj   +1 more source

Functional morphology of cephalopod gills [PDF]

open access: yes, 1987
There is a wealth of literature dealing with fish gills (Review, see Hoar & Randall, 1984), yet hardly anything is known about the gills of cephalopods. This is rather surprising considering the commercial importance of the cephalopods.
Eno, Nancy Clare
core  

Adhesive mechanisms in cephalopods: a review [PDF]

open access: yesBiofouling, 2006
Several genera of cephalopods (Nautilus, Sepia, Euprymna and Idiosepius) produce adhesive secretions, which are used for attachment to the substratum, for mating and to capture prey. These adhesive structures are located in different parts of the body, viz.
Von Byern, Janek, Klepal, Waltraud
openaire   +2 more sources

Embryonic development of a centralised brain in coleoid cephalopods

open access: yesNeural Development
The last common ancestor of cephalopods and vertebrates lived about 580 million years ago, yet coleoid cephalopods, comprising squid, cuttlefish and octopus, have evolved an extraordinary behavioural repertoire that includes learned behaviour and tool ...
Ali M. Elagoz   +3 more
doaj   +1 more source

Diets of Steller sea lions (Eumetopias jubatus) in Southeast Alaska, 1993−1999 [PDF]

open access: yes, 2007
The diet of Steller sea lions (Eumetopias jubatus) was determined from 1494 scats (feces) collected at breeding (rookeries) and nonbreeding (haulout) sites in Southeast Alaska from 1993 to 1999.
Calkins, Donald G.   +2 more
core  

Home - About - Disclaimer - Privacy