Salvelinus vasiljevae
{{Short description|Species of fish}}
{{Speciesbox
| taxon = Salvelinus vasiljevae
| authority = Safronov & Zvezdov, 2005
}}
Salvelinus vasiljevae, commonly known as Sakhalinian char, is a species of freshwater fish in the salmon family. It is found in the wider Sakhalin region from Nevelskoy Strait and the Amur river basin.
Description
Sakhalinian char can reach a recorded maximum length of 25.0 cm (9.8 inches).{{cite journal | last=Osinov | first=Alexander G. | last2=Volkov | first2=Alexander A. | last3=Mugue | first3=Nikolai S. | title=Charrs of the genus Salvelinus (Salmonidae): hybridization, phylogeny and evolution | journal=Hydrobiologia | volume=848 | issue=3 | date=2021 | issn=0018-8158 | doi=10.1007/s10750-020-04478-6 | pages=705–726|biorxiv=10.1101/817775}} The fish is semi-anadromous, migrating up river to spawn in the middle of summer and autumn.{{cite journal |last1=Pichugin |first1=M. Yu. |last2=Gritsenko |first2=O. F. |last3=Osinov |first3=A. G. |title=On morphological diversity of southern Dolly Varden trout Salvelinus malma krascheninnikovi from water bodies of Sakhalin |journal=Journal of Ichthyology |date=1 June 2008 |volume=48 |issue=5 |pages=367–390 |doi=10.1134/S0032945208050020 |url=https://link.springer.com/article/10.1134/S0032945208050020 |access-date=9 December 2023 |language=en |issn=1555-6425|url-access=subscription }} The fish are omnivorous, feeding on fish, aerial and aquatic insects and their larvae, amphipods, on insectivorous mammals and mice.{{cite journal |last1=Nazarkin |first1=Mikhail V. |last2=Carnevale |first2=Giorgio |last3=Bannikov |first3=Alexandre F. |title=A New Greenling (teleostei, Cottoidei) from the Miocene of Sakhalin Island, Russia |journal=Journal of Vertebrate Paleontology |date=2013 |volume=33 |issue=4 |pages=794–803 |url=https://www.jstor.org/stable/42568649 |access-date=9 December 2023 |issn=0272-4634}} The species usually reside in rapid current and sandy or pebbled bottom in holes (up to 1.5-2 meters).{{cite web |last1=Martynova |first1=Kateryna V. |last2=Zhang |first2=Qi |last3=Olmi |first3=Massimo |last4=Müller |first4=Patrick |last5=Perkovsky |first5=Evgeny E. |title=Revision of the genus Dryinus Latreille (Hymenoptera: Dryinidae) from mid-Cretaceous Kachin (Myanmar) amber |url=https://www.sciencedirect.com/science/article/abs/pii/S0195667119301806 |website=Cretaceous Research |access-date=9 December 2023 |pages=104217 |doi=10.1016/j.cretres.2019.104217 |date=1 February 2020}}