Chromosomes of four Indian marine catfishes (Bagridae, Ariidae: Siluriformes) with a heteromorphic pair in maleMystus gulio
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چکیده
منابع مشابه
Reproductive biology of two marine catfishes (Siluriformes, Ariidae) in the Sepetiba Bay, Brazil.
Marine catfish are abundant in the Sepetiba Bay, a 305 km2 area in Southeast Brazilian coast (Lat. 22 degrees 54' - 23 degrees 04' S: Long. 43 degrees 44' - 44 degrees 10' W), but the knowledge on their biology is still scanty. The reproductive biology of Sciadeichthys luniscutis (Valenciennes 1840) and Genidens genidens (Valenciennes 1839) was studied through monthly sampling, from October 199...
متن کاملFirst report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)
The family Doradidae (Siluriformes) is an important group of fishes endemic to freshwater ecosystems in South America. Some cytogenetic studies have been conducted focused on the group; however, there are no reports on the occurrence of B chromosomes for the family. In this paper the chromosomal characteristics of Platydoras armatulus (Valenciennes, 1840), Pterodoras granulosus (Valenciennes, 1...
متن کاملA new genus and species of marine catfishes (Siluriformes; Ariidae) from the upper Eocene Birket Qarun Formation, Wadi El-Hitan, Egypt
Wadi El-Hitan, the UNESCO World Heritage Site, of the Fayum Depression in the northeast part of the Western Desert of Egypt, has produced a remarkable collection of Eocene vertebrates, in particular the fossil whales from which it derives its name. Here we describe a new genus and species of marine catfishes (Siluriformes; Ariidae), Qarmoutus hitanensis, from the base of the upper Eocene Birket...
متن کاملmorphology, growth pattern, feeding and reproductive biology of mystus gulio (hamilton-buchanan, 1822) (siluriformes: bagridae)
mystus gulio is a euryhaline fish, occurring mostly in freshwater; it has also been found to thrive in backwaters of low salinity. it is a popular food fish due to its good taste and recently it has also been reported to be exported as indigenous ornamental fish from india. number of workers earlier has studied morphology, age, growth pattern, food and feeding habit and reproductive biology of ...
متن کاملHeteromorphic a Chromosomes of the Tomato Differing in Satellite Size.
In cultivated tomato plants which were largely but not exclusively derived from triploids, chromosomes of two distinct sizes were found associated with the nucleolus in the pollen mother cells. Since a trivalent was found on the nucleolus in the simple trisomic type, triplo-A only, evidently it is the A or first chromosome which is dimorphic. At somatic metaphase this chromosome has a distinct ...
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ژورنال
عنوان ژورنال: Caryologia
سال: 1993
ISSN: 0008-7114,2165-5391
DOI: 10.1080/00087114.1993.10797264