KARYOLOGICAL ANALYSIS OF 3 STRAINS OF THE AFRICAN CATFISH, CLARIAS-GARIEPINUS (CLARIIDAE), USED IN AQUACULTURE

被引:32
作者
OZOUFCOSTAZ, C
TEUGELS, GG
LEGENDRE, M
机构
[1] MUSEE ROYAL AFR CENT, B-1980 TERVUREN, BELGIUM
[2] CTR RECH OCEANOG, ABIDJAN, COTE IVOIRE
关键词
D O I
10.1016/0044-8486(90)90064-T
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
A karyological analysis of three strains of Clarias gariepinus used in fish culture, originating from different localities in Africa and Asia Minor, and thus representing populations from the distribution limits of this species, revealed an identical karyotype, 2n=56 with a pair of heteromorphic sex chromosomes (ZW) and a nucleolus organizer (NOR) location in a single pair of chromosomes, for all strains. These results confirm the synonymy between C. gariepinus, C. lazera and C. mossambicus as introduced by Teugels in 1982. © 1990.
引用
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页码:271 / 277
页数:7
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