Results 21 to 30 of about 3,801 (208)

Reversal of a Spatial Discrimination Task in the Common Octopus (Octopus vulgaris). [PDF]

open access: yesFront Behav Neurosci, 2021
Reversal learning requires an animal to learn to discriminate between two stimuli but reverse its responses to these stimuli every time it has reached a learning criterion. Thus, different from pure discrimination experiments, reversal learning experiments require the animal to respond to stimuli flexibly, and the reversal learning performance can be ...
Bublitz A, Dehnhardt G, Hanke FD.
europepmc   +5 more sources

Sequence and phylogenetic analysis of the mitochondrial genome for the East Asian common octopus, Octopus sinensis (Octopodidae: Octopoda)

open access: yesMitochondrial DNA. Part B. Resources, 2021
The complete mitochondrial genome of the East Asian common octopus (Octopus sinensis) was determined and analyzed in this work. The circular mitogenome of O.
Fenghui Li   +7 more
doaj   +1 more source

Cannibalistic behavior of octopus (Octopus vulgaris) in the wild. [PDF]

open access: yesJournal of Comparative Psychology, 2014
The first description of cannibalism in wild adult Octopus vulgaris is presented from 3 observations made in the Ría de Vigo (NW Spain), which were filmed by scuba divers. These records document common traits in cannibalistic behavior: (a) it was intercohort cannibalism; (b) attacks were made by both males and females; (c) in 2 of the records, the prey
Jorge Hernández-Urcera   +6 more
openaire   +3 more sources

Accumulation of 65Zn by octopus Octopus vulgaris. [PDF]

open access: yesJournal of Radiation Research, 1985
In order to aim the prevention of the radiation hazard to human beings through sea food, the accumulation and excretion of 65Zn by octopus Octopus vulgaris was examined by the radioisotope tracer experiment. The concentration factor of 65Zn for whole body of the octopus that take up the nuclide from sea water and food was estimated as 9, 900, by ...
T, Ueda   +4 more
openaire   +2 more sources

Observational Learning in Octopus vulgaris [PDF]

open access: yesScience, 1992
Untrained Octopus vulgaris (observers) were allowed to watch conditioned Octopus (demonstrators) perform the task of selecting one of two objects that were presented simultaneously and differed only in color.
FIORITO G., SCOTTO DI VETTIMO, PIETRO
openaire   +3 more sources

An integrative taxonomic approach reveals Octopus insularis as the dominant species in the Veracruz Reef System (southwestern Gulf of Mexico) [PDF]

open access: yesPeerJ, 2018
The common octopus of the Veracruz Reef System (VRS, southwestern Gulf of Mexico) has historically been considered as Octopus vulgaris, and yet, to date, no study including both morphological and genetic data has tested that assumption.
Roberto González-Gómez   +6 more
doaj   +2 more sources

Cell type diversity in a developing octopus brain

open access: yesNature Communications, 2022
The brain cell types of Octopus vulgaris that control their sophisticated behavioral repertoire are still unknown. Here, authors use single-cell transcriptomics to profile neuronal and glial cell types and compare cell type relationships within the ...
Ruth Styfhals   +12 more
doaj   +1 more source

Sensorial Hierarchy in Octopus vulgaris’s Food Choice: Chemical vs. Visual

open access: yesAnimals, 2020
Octopus vulgaris possesses highly sophisticated sense organs, processed by the nervous system to generate appropriate behaviours such as finding food, avoiding predators, identifying conspecifics, and locating suitable habitat.
Valeria Maselli   +5 more
doaj   +1 more source

Octopus vulgaris paralarvae annotation [PDF]

open access: yes, 2022
Annotation of RNA-seq study including different developmental stages, diets and infectivity conditions in Octopus vulgaris ...
Pablo García-Fernández (4285018)   +8 more
core   +1 more source

Exploring eight-armed intelligence through film

open access: yesAnimal Sentience, 2020
Mather (2019) provides a rich overview of the elements underlying octopus cognition and behavioral flexibility. Recently, two remarkable natural history films, My Octopus Teacher and The Octopus in My House have explored intimate human-octopus ...
Tierney M Thys
doaj   +1 more source

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