A study recently published in the journal Biological Conservation documents the rediscovery of the giant salmon carp (Aaptosyax grypus) in the Mekong river system. The species had been considered possibly extinct since 2005 because no confirmed records were available for a period of 15 years. Between 2020 and 2023, however,
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The photo shows giant salmon carp at a market in Laos in 1997. This predatory fish species living in the Mekong had been considered extinct since 2005, partly due to overfishing and habitat loss. (© Peter Cunningham, CC BY 3.0, via Wikimedia Commons)
