The valid specific name of Sulawesi's Maroon-chinned Fruit Dove: gularis Quoy & Gaimard, 1832
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Polarization sensitivity and retinal topography of the striped pyjama squid (Sepioloidea lineolata - Quoy/Gaimard 1832).
Coleoid cephalopods (octopus, cuttlefish and squid) potentially possess polarization sensitivity (PS) based on photoreceptor structure, but this idea has rarely been tested behaviourally. Here, we use a polarized, striped optokinetic stimulus to demonstrate PS in the striped pyjama squid, Sepioloidea lineolata. This species displayed strong, consistent optokinetic nystagmic eye movements in res...
متن کاملContracaecumovale (Nematoda: Anisakidae) from Rollandia rolland Quoy & Gaimard 1824 (Aves, Podicipedidae) in Argentina.
Necropsy on 15 specimens of white-tufted grebe, Rollandiarolland, caught in the Mar Chiquita and Chascomús lagoons (Buenos Aires province), revealed the presence of Contracaecumovale (Linstow, 1907). This nematode shows a marked specificity for podicipediform birds. The specimens were identified from morphological study on features such as cephalic and esophageal structures and caudal papillae,...
متن کاملA new marine epoxy prostanoid with an antiproliferative activity from the stolonifer Clavularia viridis Quoy and Gaimard.
Recently octocoral-derived marine prostanoids, clavulones 1) (claviridenones) 2) and their halogenated congeners, 3) have received much interest owing to their unique structural features and great antitumor activities. 3a,c,d,4) During our continuing investigations on marine prostanoids from the Japanese stolonifer Clavularia viridis Quoy and Gaimard from which clavulones and their halogenated ...
متن کاملFeeding activity and influence of intraspecific competition on zooplankton communities by jundiá (Rhamdia quelen Quoy and Gaimard, 1824) in laboratory.
Experiments were designed to determine if the juvenile forms of jundia (Rhamdia quelen) exhibit selectivity feeding on zooplanktonic organisms and the influence of intraspecific competition on the diet. The fish were maintained in 5000-L containers, and after seven days from birth, they were acclimated in experimental units with different densities and supplied with water containing plankton (n...
متن کاملDev138859 1832..1832
Dachsous (Dchs), an atypical cadherin, is an evolutionarily conserved regulator of planar cell polarity, tissue size and cell adhesion. In humans, DCHS1 mutations cause pleiotropic Van Maldergem syndrome. Here, we report that mutations in zebrafish dchs1b and dchs2 disrupt several aspects of embryogenesis, including gastrulation. Unexpectedly, maternal zygotic (MZ) dchs1b mutants show defects i...
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ژورنال
عنوان ژورنال: Bulletin of the British Ornithologists’ Club
سال: 2021
ISSN: 0007-1595
DOI: 10.25226/bboc.v141i1.2021.a5