Diversification of feeding structures in three adult Antarctic nototheniid fish

Erica Carlig; Davide Di Blasi; Laura Ghigliotti; Eva Pisano; Marco Faimali; Richard O’Driscoll; Steve Parker; Marino Vacchi

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Diversification of feeding structures in three adult Antarctic nototheniid fish

机译：三种成年南极拟南体鱼类的摄食结构多样化

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During their evolution and speciation in the Antarctic waters, notothenioid fish occupied a variety of habitats and ecological niches. The diversification led to important variations in several morphological features related to particular aspects of their ecologies. We investigated the feeding structures and biomechanics of three phylogenetically related species (family Nototheniidae) with different ecologies: the bentho-pelagic Antarctic toothfish Dissostichus mawsoni , the pelagic Antarctic silverfish Pleuragramma antarctica, and the benthic emerald rockcod Trematomus bernacchii . The suction index (SI), the mechanical advantage in jaw closing (MA), and 14 morphological traits related to their feeding activity were analyzed. Significant differences among the species were found for all the parameters considered, supporting a high level of specialization.

机译：在南极水域的进化和物种形成过程中，类异兽蜡类鱼类占据了各种生境和生态位。多样化导致与其生态学特定方面相关的几种形态特征发生重大变化。我们调查了三种具有不同生态学的系统发育相关物种（Nototheniidae家族）的摄食结构和生物力学：底栖上层南极牙鱼Dissostichus mawsoni，上层南极银鱼Pleuragramma antarctica和底栖翡翠岩鳕Trematomus bernacus。分析了吸吮指数（SI），下颌闭合的机械优势（MA）以及与它们的进食活动相关的14个形态特征。对于所有考虑的参数，物种之间都存在显着差异，这支持高度专业化。

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来源
《Polar biology》 |2018年第9期|1707-1715|共9页
作者
Erica Carlig; Davide Di Blasi; Laura Ghigliotti; Eva Pisano; Marco Faimali; Richard O’Driscoll; Steve Parker; Marino Vacchi;
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作者单位

National Research Council (CNR), Institute of Marine Sciences (ISMAR);

National Research Council (CNR), Institute of Marine Sciences (ISMAR);

National Research Council (CNR), Institute of Marine Sciences (ISMAR);

National Research Council (CNR), Institute of Marine Sciences (ISMAR);

National Research Council (CNR), Institute of Marine Sciences (ISMAR);

National Institute of Water and Atmospheric Research Limited;

National Institute of Water and Atmospheric Research Limited;

National Research Council (CNR), Institute of Marine Sciences (ISMAR);

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原文格式 PDF
正文语种 eng
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关键词
Antarctic fishes; Nototheniidae; Ecomorphology; Jaw mechanics; Gill rakers; Feeding strategy;

机译：南极鱼类;胸腺科;生态形态学;颌骨力学;G耙;饲养策略;

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机译：南极拟南芥Lepidonotothen larseni的耳石形态和摄食生态学
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3. Concentrations of Thirteen Trace Metals in Scales of Three Nototheniid Fishes from Antarctica (James Ross Island, Antarctic Peninsula) [J] . Roche Kevin, Kuta Jan, Sedlacek Ivo, Biological trace element research . 2019,第1期

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4. Feeding behavior and modeled energetic intake of common loon (Gavia immer) adults and chicks on small lakes with and without fish [C] . Beverly A. Gingras, Cynthia A. Paszkowski Conference Working Group on Aquatic Birds of Societas Internationalis limnologiae . 2006

机译：喂养行为和建模的普通懒人（Gavia浸没）成人和小鸡在小湖泊和没有鱼的小鸡
5. The effect of mitochondrial ultrastructure on function and thermal tolerance in Antarctic notothenioid fishes [D] . Mueller, Irina Andrea 2012

机译：线粒体超微结构对南极类胡萝卜素鱼类功能和耐热性的影响
6. Mitochondrial Acclimation Capacities to Ocean Warming and Acidification Are Limited in the Antarctic Nototheniid Fish Notothenia rossii and Lepidonotothen squamifrons [O] . Anneli Strobel, Martin Graeve, Hans O. Poertner, -1

机译：线粒体对海洋变暖和酸化的适应能力在南极Nototheniid鱼Notothenia rossii和Lepidonotothen squamifrons中受到限制
7. Mitochondrial acclimation capacities to ocean warming and acidification are limited in the antarctic Nototheniid Fish, Notothenia rossii and Lepidonotothen squamifrons. [O] . Anneli Strobel, Martin Graeve, Hans O Poertner, 2013

机译：海洋变暖和酸化的线粒体适应能力在南极Nototheniid鱼，Notothenia rossii和Lepidonotothen squamifrons中受到限制。

Diversification of feeding structures in three adult Antarctic nototheniid fish

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