Population structure and cryptic replacement of local populations in the endangered bitterling Acheilognathus cyanostigma

Kitazima, Junya; Matsuda, Masanari; Mori, Seiichi; Kokita, Tomoyuki; Watanabe, Katsutoshi

doi:10.1007/s10228-014-0412-0

Cited by 8 publications

(7 citation statements)

References 32 publications

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“…Lineage B, exclusively distributed in the western Kinki region, was estimated to have been formed in parallel with the divergence of lineages A and C (Figure 4). A genetic lineage endemic to the western Kinki region is also reported for Acheilognathus cyanostigma Jordan & Fowler 1903 (Kitazima et al, 2015). This area is known to have experienced complex geological and topographical changes in the middle-late Pleistocene, including river capture (Okada & Takahashi, 1969;Ota et al, 2004).…”

Section: Population Structurementioning

confidence: 91%

“…In A. rhombeus, tMRCA of total lineages in Japan and lineage A was estimated to be 0.93 and 0.35 Mya respectively, later than the formation of the Suzuka Mountains (Figure 4). Therefore, contrary to other bitterling species, such as T. lanceolata (Tominaga et al, 2020) and A. cyanostigma (Kitazima et al, 2015), the dispersal of A. rhombeus in eastern Japan seems to have been impeded by mountain ranges.…”

Section: Differences In the Colonization Process Of Bitterling In East Asiamentioning

confidence: 94%

“…This area is known to have experienced complex geological and topographical changes in the middle-late Pleistocene, including river capture (Okada & Takahashi, 1969;Ota et al, 2004). Kitazima et al (2015) speculated that these events played a role in founding an endemic lineage of A. cyanostigma, but also in facilitating its dispersal from the River Kako (flowing into the Seto Inland Sea) to the River Yura (flowing into the Japan Sea). These events appear to have had similar outcomes for A. rhombeus in its distribution at sample localities 30 and 31.…”

Section: Population Structurementioning

confidence: 99%

“…In addition, multiple lineages of different origin were recognized in non-native distributions (e.g., localities 20 and 21). Anthropogenic introductions have been reported for other bitterling species, such as T. limbata (Hashiguchi et al, 2006), A. cyanostigma (Kitazima et al, 2015) and T. lanceolata (Tominaga et al, 2020). Watanabe (2012) inferred that these introductions often correspond with the stocking of commercial fishes, such as Plecoglossus altivelis (Temminck & Schlegel 1846) and Carassius cuvieri Temminck & Schlegel 1846, from the Lake Biwa-Yodo River System.…”

Section: Conservation Issuesmentioning

confidence: 99%

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Genetic diversification of the Kanehira bitterling Acheilognathus rhombeus inferred from mitochondrial DNA, with comments on the phylogenetic relationship with its sister species Acheilognathus barbatulus

Miyake

Nakajima

Umemura

et al. 2021

Journal of Fish Biology

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The Kanehira bitterling, Acheilognathus rhombeus, is a freshwater fish, discontinuously distributed in western Japan and the Korean Peninsula. Unusually among bitterling it is an autumn-spawning species and shows developmental diapause.Consequently, the characterization of its evolutionary history is significant not only in the context of the fish assemblage of East Asia, but also for understanding life-history evolution. This study aimed to investigate the phylogeography of A. rhombeus and its sister species Acheilognathus barbatulus, distributed in China, using a mitochondrial analysis of the ND1 gene from 311 samples collected from 50 localities in Japan and continental Asia. Phylogenetic analysis revealed that A. barbatulus is included in A. rhombeus and genetically closer to Japanese A. rhombeus than to Korean A. rhombeus. Divergence of Korean A. rhombeus and A. barbatulus from Japanese A. rhombeus was estimated to be from the late Pliocene (3.44 Mya) and the early Pleistocene (1.98 Mya), respectively. Each event closely coincided with the time of the Japan Sea opening. Japanese A. rhombeus comprised seven lineages: three in Honshu and four in Kyushu. One lineage in central Kyushu was genetically closer to the Honshu lineages than to other lineages in northern Kyushu. Divergence of Japanese lineages was estimated to be from the early to middle Pleistocene (0.55-0.93 Mya), during a period of geological and paleoclimatic change, including volcanic activity. Population expansion in the late Pleistocene (<0.10 Ma) was suggested in many of the lineages, which accords with other freshwater fishes. Biogeographically the ancestral A. rhombeus/ A. barbatulus was likely to have repeatedly colonized Japan from the continent through land bridges in the late Pliocene and the early Pleistocene. However, the close genetic relationship between Japanese A. rhombeus and A. barbatulus suggests another possibility, with the second colonization occurring in reverse, from Japan to China. The small genetic distance between them indicates that the colonization occurred later than colonization events of other freshwater fishes, including other bitterling species.

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Section: Population Structurementioning

confidence: 91%

Section: Differences In the Colonization Process Of Bitterling In East Asiamentioning

confidence: 94%

Section: Population Structurementioning

confidence: 99%

Section: Conservation Issuesmentioning

confidence: 99%

See 2 more Smart Citations

Genetic diversification of the Kanehira bitterling Acheilognathus rhombeus inferred from mitochondrial DNA, with comments on the phylogenetic relationship with its sister species Acheilognathus barbatulus

Miyake

Nakajima

Umemura

et al. 2021

Journal of Fish Biology

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“…Because bitterling fishes have attractive coloration to humans, there have been reports on unauthorized intentional releasing activities possibly implicated in home aquaria (Miyake et al 2011, Kitazima et al 2015, Saitoh et al 2016. Under an assumption of unauthorized releasing or dumping of P. tanago, we confront difficult issues.…”

Section: Implication Of Genetic Characteristics Of Newly Found Stocksmentioning

confidence: 99%

Natural habitats uncovered? – Genetic structure of known and newly found localities of the endangered bitterling Pseudorhodeus tanago (Cyprinidae)

Saitoh¹,

Suzuki²,

Ozaki³

et al. 2017

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Overuse of natural resources by humans is a major threat to biodiversity. Overuse often involves species of economic or esthetic value, and fish are a typical example for a group that is exploited both for economic reasons (for human consumption) and for esthetic reasons (e.g. by aquarists). Pseudorhodeus tanago (Tanaka, 1909) (formerly known as Tanakia tanago) is a small colorful but legally protected (fishing, keeping and transfer are banned) bitterling fish distributed around Tokyo, Japan. Whereas it is critically endangered and more and more habitat loss has occurred, at least four stocks have been newly found during the last decade. To explore whether emergence of these newly found habitats is a consequence of incomplete survey, we genotyped mitochondrial cytochrome b sequence of P. tanago from 17 localities and an illegal home aquarium. Populations known by the past extensive survey (13 localities) showed geographically structured population genetic characteristics. Population-specific haplotypes were common indicating past divergence and bottleneck events. Four (north, {center + west}, south_1, south_2) or five RESEARCH ARTICLE Launched to accelerate biodiversity conservation A peer-reviewed open-access journalKenji Saitoh et al. / Nature Conservation 17: 19-33 (2017) 20 (north, center, west, south_1, south_2) geographic groups were detectable as for these known localities. On the other hand, newly found stocks were polymorphic and showed identical haplotypes from distant known localities. If we assume historical basis of distribution and genetic characteristics of these newly found stocks, it must be a series of unlikely geological events and haplotype sorting. We discuss potential issues posed by these questionable stocks.

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Cryptic divergence and phylogeography of the pike gudgeon Pseudogobio esocinus (Teleostei: Cyprinidae): a comprehensive case of freshwater phylogeography in Japan

2015

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To reveal the primary historical events that affected the geographic differentiation in freshwater organisms in the Japanese archipelago, we investigated the phylogeny and phylogeographic structure of the widely distributed freshwater fish Pseudogobio esocinus. We conducted comprehensive phylogeographic analyses based on partial sequences of the mitochondrial DNA cytochrome b (cyt b) gene in 1,212 P. esocinus specimens from 201 locations in 136 river systems along with sequence data from related species. We also examined the entire cyt b sequence and three nuclear gene sequences for a subset of individuals to estimate the phylogenetic relationships and divergence times. Historical processes shaping the present phylogeographic patterns were inferred by the Bayesian skyline plot, mismatch distribution and nested clade phylogeographic analyses. The mitochondrial and nuclear DNA phylogenies showed that the Japanese P. esocinus was not monophyletic and consisted of three largely differentiated groups. Divided by the Central Highlands, two groups were distributed in southwestern Japan, with a third group in northeastern Japan. The estimated divergence time indicated that the framework of the present ranges of the three groups was formed during or before the Early Pliocene. In southwestern Japan, the two groups often occurred sympatrically and included several regional subgroups bounded by major mountain systems uplifted in the early Pleistocene, while in the northeastern Japanese group, recent (since about 0.3 million years ago) range expansion from the northwestern area was inferred. The results suggest the importance of the uplifting of the Central Highlands and interconnection with the continental area in the distribution and divergence of P. esocinus, which may have also influenced regional heterogeneity in the Japanese freshwater fauna. The contrasting phylogeographic patterns between northeastern and southwestern Japan probably reflect their topographic and geohistorical differences, and imply differences in the formation process of freshwater fauna between the two regions.

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Population structure and cryptic replacement of local populations in the endangered bitterling Acheilognathus cyanostigma

Cited by 8 publications

References 32 publications

Genetic diversification of the Kanehira bitterling Acheilognathus rhombeus inferred from mitochondrial DNA, with comments on the phylogenetic relationship with its sister species Acheilognathus barbatulus

Genetic diversification of the Kanehira bitterling Acheilognathus rhombeus inferred from mitochondrial DNA, with comments on the phylogenetic relationship with its sister species Acheilognathus barbatulus

Natural habitats uncovered? – Genetic structure of known and newly found localities of the endangered bitterling Pseudorhodeus tanago (Cyprinidae)

Cryptic divergence and phylogeography of the pike gudgeon Pseudogobio esocinus (Teleostei: Cyprinidae): a comprehensive case of freshwater phylogeography in Japan

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