Abstract
In-Seok Park* Author Affiliations Division of Convergence on Marine Science, College of Ocean Science and Engineering, Korea Maritime & Ocean University, Republic of Korea Received:March 18, 2021 | Published: March 24, 2021 Corresponding author: In-Seok Park, Division of Convergence on Marine Science, College of Ocean Science and Engineering, Korea Maritime & Ocean University, Republic of Korea DOI: 10.26717/BJSTR.2021.34.005600
Highlights
The Chinese minniw, Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874; synonyms: Lagowskiella czekanowskii suifunensis; Leuciscus costatus; Moroco oxycephalus; Phoxinus czekanowskii suifunensis; Phoxinus lagowskii oxycephalus; Phoxinus oxycephalus; Phoxinus percnurus suifunensis; Pseudophoxinus oxycephalus) is an Asian species of small freshwater cyprinid fish [1,2]
This paper briefly reviews the studies of Chinese minnow (Rhynchocypris oxycephalus) and Amur minnow (Rhynchocypris lagowskii) based on the studies collected so far and could form the basis for a wide category of researches including zootaxy, reproduction & development, ecology, starvation, environmental biology, and techniques in order to highlight the recent progress in different fields of study using these species, which were done over a period of 21 years from 1998 to 2019
The aim of my work is to carry out a critical review of the studies concerning a wide category of zootaxy, reproduction & development, ecology, starvation, environmental biology, and techniques for R. oxycephalus and R. lagowskii, which were done over a period of 21 years from 1998 to 2019
Summary
The Chinese minniw, Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874; synonyms: Lagowskiella czekanowskii suifunensis; Leuciscus costatus; Moroco oxycephalus; Phoxinus czekanowskii suifunensis; Phoxinus lagowskii oxycephalus; Phoxinus oxycephalus; Phoxinus percnurus suifunensis; Pseudophoxinus oxycephalus) is an Asian species of small freshwater cyprinid fish [1,2]. Known character of the position of dorasal fin was found to be not appropriate to distinguish them b) Five loci, Gp, Est-1, Est-2, Est-3, and Got-1, showed fixed difference electrophoretically between two species and these could be used as genetic markers to identify them c) The degree of genic variation of M. oxycephalus was for fold higher ( H =0.032) than that of M. lagowskii ( H =0.008) but both species were far less than the average genic variation of freshwater fish in general d) Roger’ genic similarity coefficients between two species were − S = 0.692 and their presumed divergent time was estimated to be about 1.8 million years ago. The effects of starvation on the morphometrical changes in sectioned body traits, condition factor, viscera index, and dressing percentage were determined for evaluating nutritional conditions of Rhynchocypris oxycephalus (Sauvage and Dabry) by Park et al [38]. Years from 1998 to 2019 in order to highlight the recent progress in different fields of study using these species
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