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- Title
Skeletal development of the caudal complex in Caspian roach, Rutilus caspicus (Yakovlev, 1927) (Teleostei: Cyprinidae).
- Authors
HASANPOUR, Shaghayegh; EAGDERI, Soheil; AMIRI, Bagher Mojezi; MORADI, Mohammad
- Abstract
Study of skeletal development of economic fish species can help early diagnosis of the skeletal abnormalities. Caspian roach (Rutilus caspicus) is a native species of the Caspian Sea and commercially valuable species as a promising candidate for sea ranching programme. This study was conducted to describe the ontogeny of its caudal complex. A total of 300 larvae and fry specimens of the Caspian roach were randomly sampled from hatching up to 90-days post hatching (dph). The specimens were cleared and stained in order to examine their osteological features. The larvae were devoid any caudal elements at the hatching and the development of the caudal skeleton began with formation of the hyporal 1, 2 and 3 at 5 dph. The flexion was occurred at 8 dph. Formation of the caudal skeleton was nearly completed at 90 dph. Compared with other teleost fishes, the Caspian roach was followed a pattern of relatively similar osteological development.
- Subjects
CASPIAN Sea; SKELETAL maturity; RUTILUS; SKELETAL abnormalities; ONTOGENY
- Publication
Biharean Biologist, 2016, Vol 10, Issue 1, p16
- ISSN
1843-5637
- Publication type
Article