Abstract
Collecting fish morphology data in the field is usually difficult and time consuming. The method of digital photography with further computer processing is currently widely used in biology and facilitates the acquisition of morphological data of fish. The article gives recommendations for obtaining high-quality digital photographs of fish, which we have tested empirically on a large ichthyological material. The studies of the morphological variability of fish following these recommendations showed several positive aspects: accelerating the collection of morphological material, increase of the accuracy of the data obtained, organizing the material in the form of a data bank, the ability to repeatedly refer to a photograph of an object, and a quick exchange of material.
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