Schizothorax


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Schizothorax

 

a genus of fishes of the family Cyprinidae. The body is curved and covered with small scales; the anal fin and the anal opening have a series of larger scales. The pharyngeal teeth are triserial, and there are two pairs of barbels. The underside is black. The body is up to 1 m long and weighs up to 12 kg. The fishes are found in rivers and lakes in Central Asia, Middle Asia, and Kazakhstan. Spawning occurs in the spring in rivers; the sticky eggs are deposited on the bottom. Some species of Schizothorax, such as the Hi marinka (Schizothorax pseudaksaiensis) and S. esocinus, feed on other fish; others, such as the common marinka (S. intermedius), feed on invertebrates. Some species, including the Balkhash marinka (S. argentatus), feed on plants. The fishes, which are of some commercial importance, are caught primarily in Lakes Balkhash and Issyk-Kul’. The black film on the roe and on the raw underside of all species is poisonous.

References in periodicals archive ?
The present study was conducted to investigate the bioaccumulation of two heavy metals, Cu and Zn, in muscles of two economically important fish species, an herbivorous fish Schizothorax plagiostomus and a predatory fish Mastacembelus armatus, from three rivers of Malakand Division, Pakistan.
2011: Annuli characteristics of the different aging materials for Schizothorax (Racoma) pseudaksaiensis (Herzenstein).
Total 557 (342 Schizothorax progestus 105 Caratus auratus 60 Tor tor and 50 Glypothorax sp.
Fish diversity of the Mechuka valley was found to be low; the only fish species collected along with the new species were Schizothorax richardsonii (Gray) and the introduced On-corhynchus mykiss (Walbaum).
Table 2: Experimental fish and their biometric features (Common carp, Grass carp, Silver carp, Bighead and Schizothorax pelzami).
We introduced these fishes here because our local fishes, the Schizothorax, their growth is very less.
Identification of immune-related genes and development of SSR/SNP markers from the spleen transcriptome of Schizothorax prenanti.
The major fish fauna of these water bodies comprises of exotic Cyprinus carpio and indigenous Schizothorax species.
The Genus Schizothorax (Heckel, 1838) is one of the most diversified and abundant group with 68 species around Central Asia, Himalayas, Pakistan, India and Tibetan Plateau (He and Chen, 2006; Jan et al.
Parasite specimens of three Diplozoon species were collected from fish hosts of Carassius carassius; Cyprinus carpio communis; Schizothorax curvifrons; Schizothorax esocinus; Schizothorax niger and Schizothorax plagiostomus from Wular lake, Anchar lake, Dal lake, Manasbal lake, River Jhelum and River Sindh of Kashmir valley preserved in 100% ethanol for genomic DNA extraction and stored at-200C for good quality of DNA.
The genus Schizothorax Heckel comprises many species that inhabit the reservoirs of Central Asia from Turkamenistan and Eastern Persia in the West to the far reaches of the Mekong and Yangtzekiang in the East.