1981
DOI: 10.1007/bf00611176
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Discrimination between stationary objects by the blind cave fishAnoptichthys jordani (Characidae)

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Cited by 73 publications
(21 citation statements)
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“…A more conclusive set of experiments was accomplished by Weissert and von Campenhausen [82] and later by Hassan [32] in which a fish was required to identify and recall a pattern of vertical bars in order to obtain food. A fish was given two choices of holes to enter, surrounded by different patters of vertical bars.…”
Section: The Lateral Line and Solid Objectsmentioning
confidence: 99%
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“…A more conclusive set of experiments was accomplished by Weissert and von Campenhausen [82] and later by Hassan [32] in which a fish was required to identify and recall a pattern of vertical bars in order to obtain food. A fish was given two choices of holes to enter, surrounded by different patters of vertical bars.…”
Section: The Lateral Line and Solid Objectsmentioning
confidence: 99%
“…These experiments correspond to Reynolds numbers between 2 · 10 4 to 6 · 10 4 and to ratios of the separation between sensors and object (labeled s in Figure 4-1) to object size between 0.1 and 0.3. These conditions and the geometric arrangements were chosen in order to be relevant to the situation of a fish exploring a new environment (see [82]), and to a vehicle operating within a cluttered environment.…”
Section: Test Matrixmentioning
confidence: 99%
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“…Fish are able to get information about nearby objects by sensing the changes the presence of objects cause in the flow field; this is known as hydrodynamic imaging (Hassan, 1989). This is best known to be used by the hypogean (cavedwelling) form of Astyanax fasciatus Cuvier 1819, commonly known as the blind Mexican cave fish Weissert and von Campenhausen, 1981).…”
Section: Introductionmentioning
confidence: 99%
“…Previous studies have explored the ability of blind cave fish to sense their surroundings and specifically to discriminate the spacings in a wall grating (Hassan, 1986;von Campenhausen et al, 1981;Weissert and von Campenhausen, 1981). It has been found that when blind cave fish explore an unfamiliar environment they increase their swimming velocity, yet over the course of the following hours their swimming velocity gradually decreases back to its normal value (Teyke, 1985;Teyke, 1988;Teyke, 1989).…”
Section: Introductionmentioning
confidence: 99%