Vision in the grass goby, Zosterisessor ophiocephalus (Teleostei, Gobiidae): A morphological and behavioural study

Vision in the grass goby, Zosterisessor ophiocephalus (Teleostei, Gobiidae): A morphological and behavioural study
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草虾虎鱼,Zosterisessor ophiocephalus(Teleostei,Gobiidae)的视觉:一项形态和行为研究

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发表时间:
1999
期刊:
影响因子:
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通讯作者:
E. Ferrero
E. Ferrero
中科院分区:
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文献类型:
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作者:
D. Ota;M. Francese;E. Ferrero

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摘要采用形态学和行为学方法研究了栖息于泻湖潮间带海草草甸的蛇尾捕食者蛇头鲨(Zosterisessor ophicephalus)的视觉能力。在它的视网膜上,发现了大量的视杆细胞、双视锥细胞和单视锥细胞排列成正方形马赛克,同时还发现了涉及色素颗粒和两种光感受器的视网膜运动反应。通过分析视锥密度和神经节细胞层细胞密度绘制视网膜地形图,显示视网膜背颞区的中央区。通过比较不同光强(2.4 μmol m‐2 s‐1、0.7 μmol m‐2 s‐1和0.1 μmol m‐2 s‐1)对其猎物检测和捕获效率以及检测和捕获距离的影响,发现不同光强(2.4 μmol m‐2 s‐1、0.7 μmol m‐2 s‐1)对其猎物检测能力没有影响。观察到它们对较大的食物目标的偏好。描述了两种捕获策略:快速直接捕获和慢跳捕获,后者在弱光条件下表现出更高的频率。
Abstract The visual abilities of Zosterisessor ophiocephalus, an ambushing predator inhabiting the intertidal seagrass meadows of lagoons, were studied by morphological and behavioural methods. In its retina, a high number of rods, double and single cones packed in a square mosaic were found, together with the retinomotor response involving the pigment granules and both kinds of photoreceptors. The retinal topography was made by analysing the cone density and density of cells in the ganglion cell layer, and it revealed the area centralis in the dorso‐temporal region of the retina. No influence of different light intensities (2.4 pimol m‐2 s‐1, 0.7 μmol m‐2 s‐1 and 0.1 μmol m‐2 s‐1) on its visual abilities for prey detection was found by comparing the detection and capture efficiencies and the detection and capture distance. A preference for larger food targets was observed. Two capture strategies are described: fast direct and slower hopping capture, the latter exhibited with higher frequency under dim li...
佛罗里达长嘴鱼 Lepisosteus platyrhincus (Ginglymodi) 的视觉系统。
DOI: 10.1159/000114168
发表时间: 1993
期刊: Brain, behavior and evolution
影响因子: --
作者:
Collin,SP;Northcutt,RG
通讯作者: Northcutt,RG
佛罗里达长嘴鱼 Lepisosteus platyrhincus (Ginglymodi) 的视觉系统。
DOI: 10.1159/000114142
发表时间: 1993
期刊: Brain, behavior and evolution
影响因子: --
作者:
Collin,SP;Collin,HB
通讯作者: Collin,HB