Neuroecology: Forces that shape the octopus brain

Article Biochemistry & Molecular Biology

Comparative brain structure and visual processing in octopus from different habitats

Wen-Sung Chung et al.

Summary: This study compares the neuroanatomy of diurnal and nocturnal coastal and deep-sea octopods, revealing that their habits and habitats are linked to characteristic changes in brain structure. The differences between solitary and social life are reflected in the formation of multiple compartments in the vertical lobe, resembling the cortex of vertebrates.

CURRENT BIOLOGY (2022)

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Article Biochemistry & Molecular Biology

Mesozoic origin of coleoid cephalopods and their abrupt shifts of diversification patterns

David A. Lopez-Cordova et al.

Summary: Coleoids are the most diverse group of cephalopod mollusks, originating in the Mesozoic and showing an increasing diversification rate during the Cenozoic. Analyses revealed abrupt increases in diversification rate before and after the K-Pg boundary.

MOLECULAR PHYLOGENETICS AND EVOLUTION (2022)

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Article Biology

Identification and Characterization of a Rhodopsin Kinase Gene in the Suckers of Octopus vulgaris: Looking around Using Arms?

Al-Sayed Al-Soudy et al.

Summary: Octopus arms are a fascinating sensory organ with tactile, chemical, and potentially light-sensing capabilities. The highly innervated suckers along the arms show differences in mRNA expression, suggesting functional diversity. This study provides a comprehensive characterization of a light-sensing molecule in the suckers, skin, and retina of Octopus vulgaris, revealing the multimodal sensing abilities of octopus arms.

BIOLOGY-BASEL (2021)

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Article Agriculture, Dairy & Animal Science

Research Trends in Octopus Biological Studies

Anna Di Cosmo et al.

Summary: Octopuses are a model species for various scientific studies, and research on them has been increasing from 1985 to 2020. The study utilized bibliometric analysis to track trends in octopus biological research, finding a growth in publications, countries, institutions, and research topics over time. The data provides valuable insights into the changing landscape of octopus studies.

ANIMALS (2021)

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Review Physiology