Enhanced vascularization of the central nervous system in two species of mud-burrowing fish |
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Authors: | William Kenchington Satish Choy |
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Institution: | (1) Department of Biology, School of Pure and Applied Sciences, The University of the South Pacific, P.O. Box 1168, Suva, Fiji |
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Abstract: | Synopsis Histological studies have demonstrated a significantly richer vascularization of the brain and anterior spinal cord tissues
in the mud-burrowing gobies Brachyamblyopus sp. and Trypauchen sp. than three fish species that occupy a variety of non-burrowing habitats. Physico-chemical data from the mud-burrowing
gobies' habitat indicate anoxic conditions in the substrate. It is suggested that the enhanced development and distribution
of blood capillaries throughout the central nervous system of these two goby species may be a morphological adaptation to
their environment. Appropriate physiological studies are needed to clarify this contention. |
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Keywords: | Gobies Histology Brain Blood capillaries Oxygen-depletion Morphological adaptation |
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