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Teimori, Azad
- Scanning Electron Microscopy of Scale and Body Morphology as Taxonomic Characteristics of Two Closely Related Cyprinid Species of Genus Capoeta Valenciennes, 1842 in Southern Iran
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Authors
Affiliations
1 Department of Biology, Shahid Bahonar University of Kerman, 76169-14111 Kerman, IR
1 Department of Biology, Shahid Bahonar University of Kerman, 76169-14111 Kerman, IR
Source
Current Science, Vol 111, No 7 (2016), Pagination: 1214-1219Abstract
Comparative morphology and the microstructures of scales were studied in order to evaluate their possible contribution to taxonomic discrimination of two closely related cyprinid species, Capoeta saadi and Capoeta mandica in southern Iran. The results revealed certain features of fish body (mouth shape and the number and shape of gill rakers) relevant to taxonomic significance. Moreover, some characters related to scale morphology and microstructures (location of focus, inter-radial space, and number and type of radii, shape and size of lepidonts and tubercles) were considered important for discrimination of these species. Such a study will give necessary information for identification of fish species, particularly during field study and for the fossil materials, where no molecular data are available, and of specimen which are deposited in the museum.Keywords
Body Morphology, Cyprinid Species, Scale Microstructure, Taxonomic Discrimination.Full Text
References
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- Pyura gangelion (Savigny, 1816) (Tunicata: Pyuridae) from the Persian Gulf
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Authors
Affiliations
1 Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, 76169-14111 Kerman, IR
2 Department of Molecular Parasitology, Humboldt University of Berlin, 10115 Berlin, DE
1 Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, 76169-14111 Kerman, IR
2 Department of Molecular Parasitology, Humboldt University of Berlin, 10115 Berlin, DE
Source
Current Science, Vol 117, No 7 (2019), Pagination: 1207-1211Abstract
We report the occurrence of Pyura gangelion (Savigny, 1816) from two sites in the Persian Gulf and its morphological description is also provided. This species has a wide distribution in the Indian and Pacific oceans as well as the Red Sea region. However, no record is available on its distribution in the Persian Gulf. The species is distinguished from other species by characteristics such as individuals are solitary with leathery, brownish to reddish tunic, siphons not easily visible; both siphons are in upright position with four lobes, mantle thin and covers entire body, muscle bands are denser adjacent to the siphons, oral tentacles branched with different sizes, the branchial sac is folded with six folds on each side of the body. Both internal longitudinal and transverse vessels are present, there is only one hermaphroditic gonad on the right side, endocarps, conspicuous projections into the atrium are visible in both sides, a hepatic cecum is positioned on the left side with a close connection to the branchial basket.Keywords
Geographic Distribution, Persian Gulf, Pyura gangelion, Tunicata.Full Text
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