Results 81 to 90 of about 40,534 (330)

Broadening the semiaquatic scene: Quantification of long bone microanatomy across pinnipeds

The Anatomical Record, EarlyView.
Abstract Investigations of bone microanatomy are commonly used to explore lifestyle strategies in vertebrates. While distinct microanatomical limb bone features have been established for exclusively aquatic and terrestrial lifestyles, identifying clear patterns for the semiaquatic lifestyle remains more challenging.
Apolline Alfsen, Christian de Muizon, Olivier Lambert, Giovanni Bianucci, Antonia R. Kaffler, Matthew R. McCurry, Alexandra Houssaye, Rafael M. Varas‐Malca, Rodolfo Salas‐Gismondi, Oliver Hampe, Eli Amson   +10 more
wiley   +1 more source

Distribution, relative abundance and developmental morphology of paralarval cephalopods in the Western North Atlantic Ocean [PDF]

, 2001
Paralarval and juvenile cephalopods collected in plankton samples on 21 western North Atlantic cruises were identified and enumerated. The 3731 specimens were assigned to 44 generic and specific taxa.
Lu, C. C., Roper, Clyde F. E., Sweeney, Michael J., Vecchione, Michael   +3 more
core   +1 more source

Functional anatomy, jaw mechanisms, and feeding behavior of Dunkleosteus terrelli (Placodermi, Arthrodira)

The Anatomical Record, EarlyView.
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman, Robert K. Carr, Kate Trinajstic, Zerina Johanson, Oleg A. Lebedev   +4 more
wiley   +1 more source

Development of a Rapid and Non-Destructive Method for the Detection of Water Addition in Octopus Species (Octopus vulgaris and Eledone cirrhosa) Using Time Domain Reflectometry (TDR)

Foods, 2023
Consumer expectations regarding the quality of octopus are often frustrated and dissatisfaction is frequent, namely due to the excessive reduction in weight after cooking.
Bárbara Teixeira, Helena Vieira, Sandra Martins, Rogério Mendes   +3 more
doaj   +1 more source

New information from fish diets on the importance of glassy flying squid (Hyaloteuthis pelagica) (Teuthoidea: Ommastrephidae) in the epipelagic cephalopod community of the tropical Atlantic Ocean [PDF]

, 2007
Squids of the family Ommastrephidae are a vital part of marine food webs and support major fisheries around the world. They are widely distributed in the open ocean, where they are among the most abundant in number and biomass of nektonic epipelagic ...
Cherel, Yves, Jaquemet, Sébastien, Ménard, Frédéric, Potier, Michel, Romanov, Evgeny, Sabatié, Richard   +5 more
core   +1 more source

Mapping molluscan endocrinology: a systematic and critical appraisal

Biological Reviews, EarlyView.
ABSTRACT Historically, a vertebrate‐centric paradigm has framed our interpretation of molluscan endocrinology, with considerable research focusing on vertebrate‐type steroid hormones (e.g. oestrogens, testosterone). However, contradictory evidence on the occurrence of vertebrate‐type steroid hormones in molluscan tissues, and a lack of the specific ...
Konstantinos Panagiotidis, Thomas H. Miller, Olwenn V. Martin, Alice Baynes   +3 more
wiley   +1 more source

Sentience in cephalopod molluscs: an updated assessment

Biological Reviews, EarlyView.
ABSTRACT This article evaluates the evidence for sentience – the capacity to have feelings – in cephalopod molluscs: octopus, cuttlefish, squid, and nautilus. Our framework includes eight criteria, covering both whether the animal's nervous system could support sentience and whether their behaviour indicates sentience.
Alexandra K. Schnell, Heather Browning, Andrew Crump, Charlotte C. Burn, Jonathan Birch   +4 more
wiley   +1 more source

Embryonic development of a centralised brain in coleoid cephalopods

Neural 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, Marie Van Dijck, Mark Lassnig, Eve Seuntjens   +3 more
doaj   +1 more source

Trends in marine species distribution models: a review of methodological advances and future challenges

Ecography, EarlyView.
Correlative species distribution models (SDMs) are quantitative tools in biogeography and macroecology. Building upon the ecological niche concept, they correlate environmental covariates to species presence to model habitat suitability and predict species distributions.
Moritz Klaassen, Tiago A. Marques, Filipe Alves, Marc Fernandez   +3 more
wiley   +1 more source

Temporal changes in the dietary niche of sympatric seals provides insight into the role of competition in population declines

Oikos, EarlyView.
Competition theory suggests that interspecific prey competition can result in changes to the dietary niche, but obtaining timeseries of data from sympatric species experiencing temporal variation in competition is challenging. Scotland is an important area for two species of seals, but over the past 20 years, populations of harbour seals Phoca vitulina
Izzy Langley, Philip S. Hammond, Paul M. Thompson, Graham J. Pierce, Lindsay J. Wilson, Ailsa J. Hall, Gordon D. Hastie, Debbie J. F. Russell   +7 more
wiley   +1 more source