Summary
Blind Mexican cave fish were trained to discriminate between grids of vertical bars placed at various distances from each other. Discrimination was possible only if the freely swimming fish was allowed to glide past the grids in close proximity.
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References
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This research was supported by DFG Grant Ca 34/4
The technical devices were developed together with the master precision-instrument makers Mr. F. Hofmann and Mr. K. Wahn-siedler. The English of the paper was corrected and improved by Neil Beckhaus.
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Weissert, R., von Campenhausen, C. Discrimination between stationary objects by the blind cave fishAnoptichthys jordani (Characidae). J. Comp. Physiol. 143, 375–381 (1981). https://doi.org/10.1007/BF00611176
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DOI: https://doi.org/10.1007/BF00611176