In October 2019, researchers collected nine small fish during an expedition from Lake Abrau in the Krasnodar region of western Russia. Recent DNA analyses have confirmed that the captured fish are indeed the endemic Abrau sprat (Clupeonella abrau), a species that had not been recorded since 2008. Challenges for the
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The Abrau sprat, with a body length of about 9.5 centimeters, is a relatively small fish. (© Лев Семёнович (Симонович) Берг (2 (14) марта 1876 — 24 декабря 1950), Public domain, via Wikimedia Commons)