Tag: Longfin smelt
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Newly Listed Smelt in the Delta
By Karrigan Börk, John Durand, Nann Fangue, and Levi Lewis Late last summer, on August 29th, 2024, the United States Fish and Wildlife Service listed the San Francisco Bay-Delta distinct population segment of longfin smelt (Spirinchus thaleichthys) as ‘endangered’ under the federal Endangered Species Act (ESA). With this decision, the Longfin Smelt joins the Delta…
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Watching native fishes vanish
By Andrew L. Rypel and Peter B. Moyle It’s an odd, disturbing feeling – watching populations of native fish species collapse and then disappear. Sometimes it happens quickly, other times it’s a series of slowstep change events. The end result is the same though – smaller populations, extinctions, less biodiversity. We put up a little…
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Delta smelt’s unsung cousin seems verging on extinction, too
By James Hobbs and Peter Moyle Another native fish of the Sacramento-San Joaquin Delta appears to be rivaling the cliffhanger status of the delta smelt. Relative to its historical abundance, the lesser-known longfin smelt has experienced an even bigger decline than delta smelt — and may be in bigger trouble — according to trawl surveys…