Notothenia
WebCarbohydrate metabolism and the antioxidant defence system of heart and muscle of the Antarctic notothenioids Notothenia rossii and Notothenia coriiceps were evaluated in response to heat stress (8 °C) over 144 h. N. rossii heart exhibited decreased glycolysis and aerobic metabolism after up to 12 h of exposure to 8 °C, and anaerobiosis was inhibited … WebOct 16, 2024 · The inshore waters off the Argentine Islands host a diversified benthic fish community largely dominated by the black rockcod, Notothenia coriiceps. Compar …
Notothenia
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WebNotothenia Taxonomy ID: 8207 (for references in articles please use NCBI:txid8207) current name Notothenia NCBI BLAST name: bony fishes Rank: genus Genetic code: Translation table 1 (Standard) Mitochondrial genetic code: Translation table 2 (Vertebrate Mitochondrial) Lineage ( full ) WebIn two Antarctic fish species (Chaenocephalus aceratus, Notothenia coriiceps), adrenaline failed to improve the frequency response of the heart (Skov et al., 2009). In mammals, the slow component of the delayed rectifier current, I Ks , is considered to be the main current system that mediates the repolarizing effects of β-adrenergic ...
Web1. The rate of oxygen consumption was determined in an Antarctic hemoglobin-free fish, Pagetopsis macropterus, and in three species of Notothenia, all of which have hemoglobin.In P. macropterus, the consumption at 0°C ranged from 0·012 to 0·022 ml O 2 /g per hr, one-half to one-quarter of that in other fishes. In all cases, the rate was little … WebMay 25, 2024 · A number of variable descriptive accounts of Aspersentis megarhynchus (von Linstow, 1892) Golvan, 1960 have been reported from specimens collected from many species of fish in various locations off Antarctic islands. We have described a new population from Notothenia coriiceps Richardson (Nototheniidae) off Galindez Island, …
Web于1993年12月－1994年9月，从宜昌葛洲坝工程总局中华鲟人工繁殖研究所获中华鲟实验材料128尾，通过扫描电镜（包括冷冻断裂扫描电镜）、透射电镜及行为学实验方法，研究中华鲟吻部腹面罗伦氏囊结构及其功能作用。结果表明，中华鲟吻部腹面存在大量罗伦氏囊。触须表面无罗伦氏囊而仅存在很 ... WebSep 25, 2014 · Notothenia coriiceps, the Antarctic bullhead notothen, is an endemic teleost fish with a circumpolar distribution and makes a good model to understand the genomic …
WebResults: We studied the Bullhead notothen (Notothenia coriiceps), a notothenioid fish inhabiting waters between -1.9 and +2 °C. In vitro fertilization produced embryos that progressed through cleavage, epiboly, gastrulation, segmentation, organogenesis, and hatching. We compared morphogenesis spatially and temporally to Zebrafish and medaka.
WebApr 7, 1982 · Notothenia. Antarctic Notothenia fishes are thought to be important prey when these seals are near the Antarctic continental shelf. From: Marine Mammals of the World, … ontario library services downloadWebNotothenia is a genus of marine ray-finned fishes belonging to the family Nototheniidae, the notothens or cod icefishes with the species in this genus often having the common name … ionentheorie chemieWebTeleostei (teleosts) > Perciformes/Notothenioidei (Icefishes) > Nototheniidae (Cod icefishes) > Nototheniinae. Etymology: Notothenia: Greek, 'notos', ou; νοτος, ου), from the … ontario library beanstackNotothenia is a genus of marine ray-finned fishes belonging to the family Nototheniidae, the notothens or cod icefishes with the species in this genus often having the common name of rockcod. They are native to the Southern Ocean and other waters around Antarctica. See more Notothenia was first formally described as a genus in 1844 by the Scottish naval surgeon, naturalist and Arctic explorer John Richardson when he described N. coriiceps which was later designated as the type species of … See more Seven recognized species are in this genus: • Notothenia angustata F. W. Hutton, 1875 (Maori chief) • Notothenia coriiceps J. Richardson, 1844 (black rockcod) • Notothenia cyanobrancha J. Richardson, 1844 (blue rockcod) See more Notothenia rockcods have some adaptations that allow them to thrive in such inhospitable habitat, like antifreeze proteins in their blood and ample fat to insulate them against heat loss and to offset their lack of a swim bladder. They are benthic … See more Notothenia fishes have oblong bodies which are compressed towards the tail with a large head, small eyes and a large mouth. The lower … See more Notothenia rockcods are found in the Southern Ocean where there are four species with two species in the southwestern Pacific Ocean and a single species in the … See more Notothenia rockcods are targeted by some fisheries, with N. rossi being an important commercially fished species. See more ontario library service loginWebMar 5, 2008 · The 'Antarctic Cod' (Notothenia coriiceps) became isolated from its warmer water cousins around 30 million years ago when the Antarctic circumpolar current was … ontario library service overdriveWebJul 1, 2024 · Notothenia coriiceps and Notothenia rossii are two widespread nototheniid fishes, that live sympatrically along the southern Scotia Arc from South Georgia to the South Shetland Islands. In this ... ionenradius phosphorWebMar 5, 2008 · The 'Antarctic Cod' (Notothenia coriiceps) became isolated from its warmer water cousins around 30 million years ago when the Antarctic circumpolar current was formed. The olive-coloured fish has ... ionentheorie ruhepotential