Aleksey Bolotovskiy

Aleksey Bolotovskiy
Russian Academy of Sciences | RAS · Papanin Institute of the Biology of Inland Waters

PhD

About

14
Publications
2,968
Reads
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63
Citations
Citations since 2016
7 Research Items
42 Citations
2016201720182019202020212022024681012
2016201720182019202020212022024681012
2016201720182019202020212022024681012
2016201720182019202020212022024681012
Additional affiliations
October 2008 - present
Papanin Institute for Biology of Inland Waters Russian Academy of Sciences
Position
  • Researcher
Education
September 2000 - June 2007

Publications

Publications (14)
Article
Full-text available
Dataset contains information on fish occurrences in the Kama River Basin (Russian Federation). The Kama River is the largest tributary (1805 km) of the Volga River and is geographically often considered the main river due to the larger volume of water at their confluence. Dataset is based on our own field studies conducted during 2008-2021. It incl...
Article
Full-text available
The influence of thyroid hormones (THs) on the organization of the exploratory behavior in fish was studied using the example of a three-spined stickleback. Strategies of fish behavior in plus maze were changed under impact of triiodothyronine. The fish treated by the hormone solution, in contrast to those of the control group, prefer shuttle movem...
Article
Full-text available
Alburnoides holciki was described from the Hari River basin, which was the only basin it was known from. Populations from the Amu Darya basin were previously recognized as A. eichwaldii or Alburnoides sp. Our study recognized specimens of Alburnoides from the Amu Darya basin as A. holciki based on morphological data and the COI barcode gene. The po...
Article
Full-text available
Three-spined sticklebacks of different ages use various simple strategies of exploratory behavior in an unfamiliar plus maze. These strategies involve a specific order of visits to the maze arms and they alternate during maze exploration. One of the strategies (touring) involves sequential visits to the arms during movement in a clockwise or counte...
Article
Full-text available
The three-spined stickleback Gasterosteus aculeatus is an important model for studying microevolution and parallel adaptation to freshwater environments. Marine and freshwater forms differ markedly in their phenotype, especially in the number of lateral plates, which are serially repeated elements of the exoskeleton. In fishes, thyroid hormones are...
Article
Previous studies revealed that thyroid hormones (TH) are crucial regulators of fish development and that manipulation of the thyroid gland function can induce developmental heterochronies. These heterochronies are known to be responsible for changes in the number of serially repeating skeletal elements, such as scales, fin rays and pharyngeal teeth...
Article
Full-text available
The influence of exogenous triiodothyronine (0.25 ng/mL) on the activity glycosidases (maltase, amylolytic activity) and their sensitivity to Cu, Zn and Pb ions (25 mg/L) has been studied in the whole organism of juvenile blue bream Ballerus ballerus (L.). We have found that the treatment of fish with triiodothyronine resulted in an increase in amy...
Conference Paper
The cyprinid genus Ballerus includes two species differing in skeletal characters (lateral line scale and gill raker counts) and feeding habits. The white-eye bream B. sapa is benthivorous and has lower numbers of lateral line scales and gill rakers than its sister species, the blue bream B. ballerus, which is planktivorous. The former species exhi...
Article
The activity of hydrolases (maltase, sacharase, amylolytic activity) in the intestinal mucosa of the planktofagous blue bream Ballerus ballerus and benthofagous white-eye bream Ballerus sapa were investigated. The thermal characteristics of maltase hydrolysis (T opt and E act) are similar in both species. The lower K M of maltase hydrolysis in the...
Article
In experiment with hormonal manipulation of developmental rate (alteration of thyroid status) of two cyprinid species, Abramis brama and Rutilus rutilus, we found that number of scales strongly correlates with body size at the moment of first scale appearance. If squamation development starts earlier and at a shorter body length, it results in redu...
Article
An experiment on acceleration and retardation of ontogeny with thyroid manipulation has revealed direct changes in definitive dentition of pharyngeal bones in Abramis brama bream. As development rate accelerates, the number of teeth reduces to the formula 5-4. When development rate is retarded, this number increases to the formula 6-5. Moreover, an...
Article
Development of teeth on the pharyngeal bones of roach Rutilus rutilus and the effect of thyroid hormones on this development are investigated. The addition of exogenous triiodothyronine leads to accelerated development of the teeth, but the deficit of triiodothyronine (provoked by the addition of thiourea in the media) stimulates the retardation of...

Questions

Questions (2)
Question
Dear colleagues!
Observed anybody the extra bony plates located above or under the main row of lateral plates in three-spined stickleback in natural populations or experimental conditions?
Question
Number of the small unsegmented rays of caudal fin is diverce between species and, evidently, within species in different teleosts.

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