Menu
STOCK-RAISING AND VETERINARY

ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR

Zharkyn Bakkozha 1 , Gulmira Ablaisanova 2 , Yerbol Sansyzbayev 1 , Gulsim Iskakova 3 , Gulzhanat Duisenbekova 3

1 Al-Farabi Kazakh National University; 2 LLP «Fisheries Research and Production Center»; 3 NJSC "Kazakh National Agrarian Research University"

doi.org/10.37884/4-2025/10 pp. 86-97 Admitted 03.10.2025 Published 30.12.2025

Abstract

This article presents a morphological analysis of the Caspian roach (Rutilus caspicus) inhabiting the Kapshagay Reservoir. During the analysis, 25 specimens of Caspian roach were measured, with 16 meristic and 23 morphometric (plastic) characteristics examined. The age of the specimens subjected to morphological analysis ranged from 3 to 6 years. Data on body length and weight, as well as sexual differences, were presented along with a comparative analysis with the findings of previous researchers. All obtained morphometric parameters were subjected to statistical analysis. As a result, mean values, mean linear deviations, standard deviations, coefficients of variation, and condition factors were calculated. The obtained data were analyzed using Principal Component Analysis (PCA).

The research presented in the article was conducted based on commonly accepted ichthyological methods, which specify the characteristics of the gill nets used and the equipment employed.

As a result of the analysis, no significant differences were found in the morphometric (plastic) traits related to the length-weight characteristics of Caspian roach from the Kapshagay Reservoir. However, slight variations were observed in the number of vertebrae and gill rakers among the meristic (quantitative) traits. The obtained results indicate morphological stability of the population and confirm the favorable habitat conditions of the Kapshagay Reservoir for the Caspian roach.

acclimatized species component Kapshagay Reservoir Caspian roach morphological analysis meristic traits morphometric traits population statistics

01 Introduction

The full text of the article is available for download in PDF format on the right panel.

02 References

  1. 1. Митрофанов В. П. Дукравец Г. М., Сидорова А.Ф., Солонипова Л.Н. Рыбы Казахстана: 2 том, Карповые. Алматы, 1987. – Б.50-70.
  2. 2. Дукравец Г. М., Мамилов Н. Ш., Митрофанов И. В. Рыбы Казахстана: аннотированный список, исправленный и дополненный //Selevinia. – 2016. Т. 24. Б. 47-71.
  3. 3. Бараков Р.Т., Конысбаев Т.Г., Мажибаева Ж.О., Нуртазин С.Т., Мурзашев Т.К. Характер питания и пищевые взаимоотношения трёх видов Cyprinidae в водохранилище Капшагай. Ғылым және білім, 2023 ж. 3 т, 2 шығ. (71), Б. 257–267. https://doi.org/10.52578/2305-9397-2023-3-2-257-267.
  4. 4. Правдин И.Ф. Руководство по изучению рыб. М.: Пищевая промышленность. 1966. 376 б.
  5. 5. Лакин Г.Ф. Биометрия: Учебное пособие для биол.спец.вузов - 4-е изд., перераб. и доп. - М.: Высш. шк., 1990. - 352 б.
  6. 6. Hammer Ø. et al. PAST: Paleontological statistics software package for education and data analysis // Palaeontologia electronica. – 2001. – T. 4. – №. 1. – 9 s.
  7. 7. https://medstatistic.ru/calculators/averagestudent.html 20.11.2024.
  8. 8. А.Ш. Гасанова, К.М. Гусейнов, Р.М. Бархалов, М.В. Хлопкова. К изучению биологии воблы Rutilus rutilus caspicus (Jakowlev, 1870) Крайновского прибрежья Каспийского моря. Известия вузов. Северо-кавказский регион. Естественные науки. 2021. №3. Б. 93-97. https://doi.org/10.36038/0131-6184-2025-2-56-64.
  9. 9. Fariborz Ghojoghi, Abolghasem Kamali, Soheil Eagderi, Mehdi Soltani, Iraj Hashemzadeh Segherloo. Morphological variation among the Caspian roach (Rutilus rutilus caspicus) populations from the Southern Caspian Sea using Geometric Morphometrics technique. ull. Env. Pharmacol. Life Sci., Vol 3. Spl Issue III 2014: 105-111. https://bepls.com/vol3.
  10. 10. Kuliyev, Z.M. (1984). Variation of morphometric indices in Caspian vobla, Rutilusrutilus caspicus. Journal of Ichthyology, 24(6): 139-148. http://www.bepls.com.
  11. 11. Утеулиев Т.А. биологическая характеристика и современная оценка промыслового запаса воблы Rutilus caspicus (Jakowlew, 1870) (Cyprinidae) в Жайык-Каспийском бассейне. Вестник Атырауского университета имени Х. Досмухамедова. № 2(57) 2020. Б. 106-111. https://www.vestnik-asu.kz/jour/article.
  12. 12. Balzhan Toxabayeva, Kuanysh Isbekov, Aleksandr Litvinenko, Saule Assylbekova, Gulmira Ablaisanova, Svetlana Dolgopolova, Mukhtar Baibatshanov4, Zhazira Bazarbayeva Rare and endangered populations of Fringebarbel sturgeon, Acipenser nudiventris Lovetsky, 1828, in Kapshagai Reservoir and Ili River on the territory of the Republic of Kazakhstan// Caspian Journal of Environmental Sciences, Vol. 23 No. 1 pp. 63-70. http://doi:10.22124/cjes.2025.8538.
  13. 13. Мұқатай А.А., Долгополова С.Ю., Айтқалиева А.А., Аблайсанова Г.М. Шу ауданындағы су айдындардың гидрологиялық жағдайлары мен су сапасы// Ізденістер, нәтижелер, №3 (107) 2025. Б. 549-557. https://doi.org/10.37884/3-2025/53.

Citation Links

[1]2025. ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR. Izdenister natigeler. 4 (108) (Dec. 2025), 86–97. DOI:https://doi.org/10.37884/4-2025/10.
(1)ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR. Izdenister natigeler 2025, No. 4 (108), 86-97. https://doi.org/10.37884/4-2025/10.
ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR. (2025). Izdenister Natigeler, 4 (108), 86-97. https://doi.org/10.37884/4-2025/10
ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR. Izdenister natigeler, [S. l.], n. 4 (108), p. 86–97, 2025. DOI: 10.37884/4-2025/10. Disponível em: https://natsus.kaznaru.edu.kz/index.php/research/article/view/1126. Acesso em: 15 sep. 2026.
“ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR”. 2025. Izdenister Natigeler, no. 4 (108) (December): 86-97. https://doi.org/10.37884/4-2025/10.
“ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR” (2025) Izdenister natigeler, (4 (108), pp. 86–97. doi:10.37884/4-2025/10.
[1]“ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR”, Izdenister natigeler, no. 4 (108), pp. 86–97, Dec. 2025, doi: 10.37884/4-2025/10.
“ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR”. Izdenister Natigeler, no. 4 (108), Dec. 2025, pp. 86-97, https://doi.org/10.37884/4-2025/10.
“ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR”. Izdenister natigeler, no. 4 (108) (December 30, 2025): 86–97. Accessed September 15, 2026. https://natsus.kaznaru.edu.kz/index.php/research/article/view/1126.
1.ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR. Izdenister natigeler [Internet]. 2025 Dec. 30 [cited 2026 Sep. 15];(4 (108):86-97. Available from: https://natsus.kaznaru.edu.kz/index.php/research/article/view/1126
1.ANALYSIS OF MORPHOLOGICAL CHARACTERISTICS OF THE CASPIAN ROACH (RUTILUS CASPICUS YAKOVLEV, 1870) POPULATION IN THE KAPSHAGAY RESERVOIR. Izdenister natigeler. 2025;(4 (108):86-97. doi:10.37884/4-2025/10