Leucaspius, Heckel & Kner, 1857
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publication ID |
https://doi.org/10.1515/9783111677811 |
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DOI |
https://doi.org/10.5281/zenodo.17820393 |
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persistent identifier |
https://treatment.plazi.org/id/C85F87D2-FECD-FE89-2885-FA4FFD57FCA1 |
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treatment provided by |
Felipe |
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scientific name |
Leucaspius |
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Leucaspius is a group of small, slender, and silvery fishes often confused with juvenile Alburnus . Leucaspius is related to Alburnus and can be distinguished from it by an incomplete lateral line (vs. complete). Leucaspius are accidentally introduced with stocked fish from ponds, where they might be very abundant. Stocking also blurred the distribution area of the different species. Molecular data suggest that Leucaspius may include five species. Leucaspius delineatus was first described from the Danube drainage in Moravia ( Czech Republic) and the adjacent region around Vienna ( Austria). It is considered restricted to Central Europe, with records from the upper Danube. It has also been introduced in the Weser and Elbe drainages
Habitat. Mountain streams with moderate fast-flowing water.
Biology. No data.
Conservation status. LC; no known threats, but limited range.
Further reading. Berg 1949b (distribution, morphology); Kaya et al. 2020a (distribution).
in Czech Republic and Germany. Leucaspius abruptus , described from the upper Dniestr, may be the available name for the species that is widely distributed in Eastern Europe, from the Pechora to the Rhine, including the upper Volga and the Dniestr and Dniepr in the northern Black Sea basin. Three additional molecular clades have been identified in West Asia. Leucaspius owsianka , described from the upper Don, is the available name for sun bleaks found in the Caucasian Black Sea basin of Russia and those from the Don and Kuban drainages. Leucaspius thracicus , described from the Bosporus region in Türkiye, is widely distributed in the lower Danube drainage, the lower Dniestr, Georgia, eastern Greece (Nestos), and the Marmara Sea basin. Leucaspius dimorphus is an available name for the populations from the western Caspian basin, including the rivers of Dagestan and the Kura and Sefid drainages. Further research is required to assess this genus fully. Currently, there is no evidence to suggest how the different molecular groups of Leucaspius can be distinguished externally, and
Leucaspius delineatus ( L. thracicus ); Lake Apolyont, Türkiye; ~ 50 mm SL.
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