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Journal articles on the topic 'Sakhalin sturgeon'

Author: Grafiati

Published: 4 June 2025

Last updated: 23 June 2025

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1

Koshelev, V. N., and N. V. Kolpakov. "Sakhalin sturgeon Acipenser mikadoi (Acipenseridae): results of study and proposed measures for conservation of the species." Izvestiya TINRO 200, no. 4 (2020): 791–808. http://dx.doi.org/10.26428/1606-9919-2020-200-791-808.

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All available data on sakhalin sturgeon Acipenser mikadoi are summarized. Its historical and modern habitats are described and their significant reduction is noted. Now the species is abundant in the Russian part of its range only — in the Tumnin River, where it is represented in commercial catches by two clearly different groups: large-sized juveniles (FL 43–68 cm) and mature fish (FL 135–169 cm). Juveniles of sakhalin sturgeon migrate during their first years, as their osmoregulatory system forms, to the lower reaches of Tumnin, to the internal estuary, and then to the Datta Bay, the Tatar Strait and the Japan Sea. When returned to the Tumnin, the spawners of sakhalin sturgeon have the length 135–169 cm (n = 29) and weight 15–36 kg. Sex ratio among the caught mature fish is 13.0 : 4 or 3.2 : 1 for females : males, on average. Fecundity of the sturgeon females sampled for artificial reproduction varied from 44.8 to 150.0 thousand eggs, on average 87.3 ± 12.1 . 103 eggs. In total, 17 mature spawners of A.mikadoi were caught in the Tumnin River in 2006–2019 for artificial reproduction (♀ = 13, ♂ = 4), 13 individuals were injected, among them 4/5 of females and 2/3 of males gave high-quality sex products. Producers of this species were distinguished by high survival during manipulations of fish breeding (100 %). Their progeny had low survival, both embryos during incubation and juveniles during rearing; the survival rate for the stage from eggs laid for incubation to juveniles with weight 3.4–7.0 g was 1.85 %. The low survival was supposedly reasoned by combination of unfavorable environmental factors and fish-breeding manipulations. Totally 11,214 juveniles of sakhalin sturgeon with weight from 3.4 to 7.0 g were released into the natural habitat (Tumnin river) in 2007, 2008, 2015, 2017, and 2019. At Anyui sturgeon fish hatchery, the broodstock of sakhalin sturgeon with 274 individuals of 5 ages is created and operated successfully. The male sturgeons in the hatchery mature at the age of 8 years. Here, 11 males of the 2007–2008 year-classes participated in the spawning in 2015–2019. Re-maturation of males was not recorded yet. For the broodstock formation in other fish hatcheries, 200 juveniles of sakhalin sturgeon were transferred to them. To preserve the species, a set of measures is proposed to strengthen its protection and to enhance its artificial reproduction, including the fry releasing into the rivers of the mainland coast, Sakhalin Island, and Japan.

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2

Turanov, Sergei. "Development of a set of oligonucleotides for the identification of the Sakhalin sturgeon Acipenser mikadoi Hilgendorf, 1892 by PCR." ARPHA Conference Abstracts 4 (March 4, 2021): e65013. https://doi.org/10.3897/aca.4.e65013.

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Sturgeons (family Acipenseridae) are valuable commercial fish and aquaculture resources. The <em>Acipenser</em> genus includes about 20 species, 12 of which are recorded for the Russian territory. One of the rarest is the Sakhalin sturgeon <em>A. mikadoi</em> Hilgendorf, 1892. At present, its population size is significantly decreased and the species is close to extinction. Natural populations of the species have survived in the Tumnin River in Khabarovsk Region and the Viakhtu River in Sakhalin Region. Vihtu River in Sakhalin Region. Due to the small numbers of rare and endangered fish species, noninvasive approaches, including the use of DNA from the environment, appear to be the most suitable for monitoring their species and genetic diversity. The method is well established in this area and has been successfully tested for the monitoring of several species of rare and endangered sturgeons. This paper presents the results of the development of primers specific for the mitochondrial DNA of the species A<em>. mikadoi</em>.A matrix of 15 sequences of complete mitochondrial genomes from 3 sturgeon species whose ranges may overlap - <em>A. mikadoi</em> (KX276658), <em>A. dauricus</em> (KJ402277) and A<em>. schrenckii</em> (MH973728- MH973734, KX276660, KX276659, KF150287, KC905169, KC820796) - was generated. <em>A. medirostris</em> (NC_028405), which is genetically closest to the Sakhalin sturgeon, was also included in the analysis. A sliding window algorithm was applied to the sequence matrix. A graph showing the distribution of divergence values along the mitochondrial genome of sturgeon was plotted based on the results of the analysis Fig. 1.Based on matrices of individual genome fragments (<em>16S</em> rRNA, <em>COI</em>, <em>ND1</em>, and <em>D-loop</em>), a search for species-specific primers was performed in the DECIPHER program. A Primer-BLAST algorithm was run based on each pair of primers. Taxa Actinopterygii and Acipenseridae were used as references separately in different runs. In addition, primers were checked using local reference sequences of the complete mitochondrial genome of representatives of the genus <em>Acipenser</em>. The results of primer evaluation are summarized in the table Table 1. As a result, a combination of primer pairs developed on the basis of D-loop and COI fragments seems to be the most successful for error-free identification of Sakhalin sturgeon.

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3

Trenkler, I. V. "The possibilities of using of captive and domestic broodstocks for saving of natural populations: 1. Acipenseriformes (part 1)." Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), no. 3 (March 20, 2024): 208–20. http://dx.doi.org/10.33920/sel-09-2403-05.

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In last years the stocks of Russian species of sturgeons decreased to critical level which can be followed by their complete extinction in nature. As a result, the number of sturgeons beginning spawning migration into rivers are extremely small, but Astrakhan sturgeon hatcheries continue release annually about 35 mln fry using own broodstocks of two types — captive and domestic ones. However the releases of offspring of domestic broodstock are extremely discussible. On one hand, creation of such broodstocks could avoid the complete extinction of natural populations of Adriatic sturgeon Acipenser naccari in Po River and European sturgeon A. sturio in Gironde estuary. On other hand, long-term practice of commercial fish farming had shown that even the accidental refugees from sea cages or fresh-water ponds caused great harm to natural populations of same species. Hatchery individuals were undergoing different selection than fish in wild nature and had poorly formed reflexes (searching for food and avoiding predators). Besides a progressive decrease in genetic diversity with each generation could be seen in such fry due to limited number of parents (the Ryman-Laikre effect). However the creation of captive and domestic broodstocks of endangerous species and subspecies (Azov beluga Huso huso maeotica, fringebarbel sturgeon Acipenser nudiventris, Sakhalin sturgeon Acipenser mikadoi) and extinct populations (Baltic sturgeon Acipenser oxyrinchus) remains the only way to release hatchery juveniles. The first part of presented review is devoted to creation and using of captive and domestic broodstocks for conservation-type sturgeon fry releases in Russia and other countries.

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4

Trenkler, I. V. "The possibilities of using of captive and domestic broodstocks for saving of natural populations: 1. Acipenseriformes (part 2)." Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), no. 4 (March 20, 2024): 288–98. http://dx.doi.org/10.33920/sel-09-2404-06.

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In last years the stocks of Russian species of sturgeons decreased to critical level which can be followed by their complete extinction in nature. As a result, the number of sturgeons beginning spawning migration into rivers are extremely small, but Astrakhan sturgeon hatcheries continue release annually about 35 mln fry using own broodstocks of two types — captive and domestic ones. However the releases of offspring of domestic broodstock are extremely discussible. On one hand, creation of such broodstocks could avoid the complete extinction of natural populations of Adriatic sturgeon Acipenser naccari in Po River and European sturgeon A.sturio in Gironde estuary. On other hand, long-term practice of commercial fish farming had shown that even the accidental refugees from sea cages or fresh-water ponds caused great harm to natural populations of same species. Hatchery individuals were undergoing different selection than fish in wild nature and had poorly formed reflexes (searching for food and avoiding predators). Besides a progressive decrease in genetic diversity with each generation could be seen in such fry due to limited number of parents (the Ryman-Laikre effect). However the creation of captive and domestic broodstocks of endangerous species and subspecies (Azov beluga Huso huso maeotica, fringebarbel sturgeon Acipenser nudiventris, Sakhalin sturgeon Acipenser mikadoi) and extinct populations (Baltic sturgeon Acipenser oxyrinchus) remains the only way to release hatchery juveniles. The first part of presented review is devoted to creation and using of captive and domestic broodstocks for conservation-type sturgeon fry releases in Russia and other countries.

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5

Barabanshchikov, E. I., A. A. Balanov, A. Yu Semenchenko, and L. A. Prozorova. "Fish species in need of conservation in Primorsky Krai, Russian Far East (for the regional Red Data Book update)." Biota and Environment of Natural Areas 10, no. 4 (2022): 49–58. http://dx.doi.org/10.25221/2782-1978_2022_4_5.

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Based on the results of long-term monitoring of the freshwater and coastal marine ichthyofauna of Primorsky Krai, the list of rare fish species in need of protection for the new version of the regional Red Data Book has been critically revised. The new list includes only two threatened species – Sakhalin sturgeon, Acipenser mikadoi, and Sakhalin taimen, Parahucho perryi, which were also listed in the Federal Red Data Book published in 2021. The other 29 fish species listed in the former Red Data Book of Primorsky Krai (2005) were removed from the list for various reasons, which are discussed in detail in this publication.

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6

Kolman, R., and V. D. Krylova. "A NEW HYBRID: SIBERIAN STURGEON (Acipenser baeri Brandt) X SAKHALIN STURGEON (A. medirostris Ayres)." Journal of Applied Ichthyology 15, no. 4-5 (1999): 328–29. http://dx.doi.org/10.1111/j.1439-0426.1999.tb00343.x.

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7

Vishnyakova, K. S., N. S. Mugue, D. A. Zelenina, et al. "Cell culture and karyotype of Sakhalin sturgeon Acipenser mikadoi." Biochemistry (Moscow) Supplement Series A: Membrane and Cell Biology 3, no. 1 (2009): 42–54. http://dx.doi.org/10.1134/s1990747809010061.

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8

Mikodina, E. V., and A. V. Novosadova. "Structure of ripe oocytes of the Sakhalin sturgeon Acipenser mikadoi." Doklady Biological Sciences 440, no. 1 (2011): 320–23. http://dx.doi.org/10.1134/s0012496611050176.

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9

Khrisanfov, Viktor Evgenievich, Ekaterina Viktorovna Mikodina, Yulia Aleksandrovna Novosyolova, Evgeny Alekseevich Melchenkov та Vera Veniaminovna Kalmykova. "Sakhalin Sturgeon Аcipenser mikadoi (Hilgendorf, 1892): Searching for Technology of Artificial Propagation in Aquaculture". Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), № 7 (1 липня 2021): 48–66. http://dx.doi.org/10.33920/sel-09-2107-04.

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It shows searching for a solution to the issue of the stock rebuilding of the Red List species — the Sakhalin sturgeon. It describes the results of the expedition to the Tumnin river aimed at brood fish procurement and optimization of the technology for its reproduction together with the brood fish grown in aquaculture. It lists the morphological characteristics and fish-cultural and bio-data of the spawner caught in the Tumnin river and the milters grown at the Anyuy Sturgeon Fish Hatchery. A method for the obtainment of reproductive products, hatching and juvenile fish growning is described. As a result of sampling for biopsy, it has been found that the coefficient of oocytesʼ nucleus polarization was 7.4 on the average. The hormonal preparation surfagon was used for sex products stimulation at males and a female. The female ovulated in 12 hours after permitting injection. It was managed to get 2,378 g eggs on the average 87.6 per cent of fertilization. The average ejaculate volume was 455 ml. The spermatozoon mobility at mean 14 °C temperature made up 208 sec. A double fertilization method was used at fertilization of an eggs part, moreover the eggs received were of a high piscicultural quality (99%). The average diameter of swollen eggs was maximum 6.8 mm and minimum 6.6 mm after fertilization. The larvae production made up to 30%, i.e. 27,850 of incubated eggs. 1000 ongrown fry were stocked into the Tumnin river, the last juveniles were directed to fish cultural farms of Russia with a view to form there recruitment-and-brood stocks. According to results of experimental works, done in the Anyuy Fish Hatchery, the first provisional technology of work was recommended on fertilized eggs production from the Sakhalin sturgeon spawners after the schema “a wild female + farmed males” by a method of a double fertilization with the increased exposition time.

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10

Mikodina, E. V., and G. I. Ruban. "Current Data on Sakhalin Sturgeon Acipenser mikadoi (Acipenseridae, Acipenseriformes) Biology (Review)." Inland Water Biology 14, no. 6 (2021): 722–31. http://dx.doi.org/10.1134/s1995082921060080.

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11

Koshelev, V. N., E. V. Mikodina, T. N. Mironova, A. V. Presnyakov, and A. G. Novosadov. "New data on biology and distribution of Sakhalin sturgeon Acipenser mikadoi." Journal of Ichthyology 52, no. 9 (2012): 619–27. http://dx.doi.org/10.1134/s0032945212050025.

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12

Luk'yanenko, V. I., and V. V. Luk'yanenko. "Specificity of the Hemoglobin Fraction Composition in the Sakhalin Sturgeon Acipenser medirostris." Doklady Biological Sciences 395, no. 1-6 (2004): 154–57. http://dx.doi.org/10.1023/b:dobs.0000025245.07591.71.

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13

Vasil’ev, V. P., E. D. Vasil’eva, S. V. Shedko, and G. V. Novomodny. "Ploidy levels in the kaluga, Huso dauricus and Sakhalin sturgeon Acipenser mikadoi (Acipenseridae, Pisces)." Doklady Biological Sciences 426, no. 1 (2009): 228–31. http://dx.doi.org/10.1134/s0012496609030119.

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14

Mikodina, E. V., A. G. Novosadov, and V. N. Koshelev. "On biology of Kaluga sturgeon Acipenser dauricus (Acipenseridae) from the Viakhtu River (Northwestern Sakhalin)." Journal of Ichthyology 55, no. 4 (2015): 567–75. http://dx.doi.org/10.1134/s0032945215040062.

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15

Shmigirilov, Andrey P., Anastassia A. Mednikova, and Joshua A. Israel. "Comparison of biology of the Sakhalin sturgeon, Amur sturgeon, and kaluga from the Amur River, Sea of Okhotsk, and Sea of Japan biogeographic Province." Environmental Biology of Fishes 79, no. 3-4 (2006): 383–95. http://dx.doi.org/10.1007/s10641-006-9050-3.

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16

Shedko, S. V. "The low level of differences between mitogenomes of the Sakhalin sturgeon Acipenser mikadoi Hilgendorf, 1892 and the green sturgeon A. medirostris Ayeres, 1854 (Acipenseridae) indicates their recent divergence." Russian Journal of Marine Biology 43, no. 2 (2017): 176–79. http://dx.doi.org/10.1134/s1063074017020080.

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17

Vasil’eva, E. D., V. P. Vasil’ev, S. V. Shedko, and G. V. Novomodny. "The validation of specific status of the sakhalin sturgeon Acipenser mikadoi (Acipenseridae) in the light of recent genetic and morphological data." Journal of Ichthyology 49, no. 10 (2009): 868–73. http://dx.doi.org/10.1134/s003294520910004x.

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18

Matishov, G. G., and A. V. Kazarnikova. "Analysis of the possible influence of fish parasites from the Tumnin River on fry of the Sakhalin sturgeon (Acipenser mikadoi, Hildendorf, 1892)." Doklady Biological Sciences 426, no. 1 (2009): 290–92. http://dx.doi.org/10.1134/s0012496609030296.

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19

Turanov, Sergei. "Development of a set of oligonucleotides for the identification of the Sakhalin sturgeon Acipenser mikadoi Hilgendorf, 1892 by PCR." ARPHA Conference Abstracts 4 (March 4, 2021). http://dx.doi.org/10.3897/aca.4.e65013.

Full text

Abstract:

Sturgeons (family Acipenseridae) are valuable commercial fish and aquaculture resources. The Acipenser genus includes about 20 species, 12 of which are recorded for the Russian territory. One of the rarest is the Sakhalin sturgeon A. mikadoi Hilgendorf, 1892. At present, its population size is significantly decreased and the species is close to extinction. Natural populations of the species have survived in the Tumnin River in Khabarovsk Region and the Viakhtu River in Sakhalin Region. Vihtu River in Sakhalin Region. Due to the small numbers of rare and endangered fish species, noninvasive approaches, including the use of DNA from the environment, appear to be the most suitable for monitoring their species and genetic diversity. The method is well established in this area and has been successfully tested for the monitoring of several species of rare and endangered sturgeons. This paper presents the results of the development of primers specific for the mitochondrial DNA of the species A. mikadoi. A matrix of 15 sequences of complete mitochondrial genomes from 3 sturgeon species whose ranges may overlap - A. mikadoi (KX276658), A. dauricus (KJ402277) and A. schrenckii (MH973728- MH973734, KX276660, KX276659, KF150287, KC905169, KC820796) - was generated. A. medirostris (NC_028405), which is genetically closest to the Sakhalin sturgeon, was also included in the analysis. A sliding window algorithm was applied to the sequence matrix. A graph showing the distribution of divergence values along the mitochondrial genome of sturgeon was plotted based on the results of the analysis Fig. 1. Based on matrices of individual genome fragments (16S rRNA, COI, ND1, and D-loop), a search for species-specific primers was performed in the DECIPHER program. A Primer-BLAST algorithm was run based on each pair of primers. Taxa Actinopterygii and Acipenseridae were used as references separately in different runs. In addition, primers were checked using local reference sequences of the complete mitochondrial genome of representatives of the genus Acipenser. The results of primer evaluation are summarized in the table Table 1. As a result, a combination of primer pairs developed on the basis of D-loop and COI fragments seems to be the most successful for error-free identification of Sakhalin sturgeon.

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