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Feb 25, 2022 · In the vast labyrinth of the West Coast’s largest freshwater tidal estuary, one native fish species has never been so rare. Once uncountably numerous, the Delta smelt was placed on state and federal endangered species lists in 1993, stopped appearing in most annual sampling surveys in 2016, and is now, for all practical purposes, extinct in the wild.
The delta smelt (Hypomesus transpacificus) is an endangered slender-bodied smelt, about 5 to 7 cm (2.0 to 2.8 in) long, in the family Osmeridae.Endemic to the upper Sacramento-San Joaquin Estuary of California, it mainly inhabits the freshwater-saltwater mixing zone of the estuary, except during its spawning season, when it migrates upstream to fresh water following winter "first flush" flow ...
Jan 6, 2022 · 2021 was a very bad year for Delta smelt and other declining fish populations on the Sacramento-San Joaquin River Delta. ... massive quantities of water to San Joaquin Valley agribusiness and ...
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The delta smelt (Hypomesus transpacificus) is an endangered slender-bodied smelt, about 5 to 7 cm (2.0 to 2.8 in) long, in the family Osmeridae. Endemic to the upper Sacramento-San Joaquin Estuary of California, it mainly inhabits the freshwater-saltwater mixing zone of the estuary, except during its spawning season, when it migrates upstream to fresh water following winter "first flush" flow ...
Apr 3, 2015 · Moyle doesn't want to see the delta smelt go the way of spring-run salmon in the San Joaquin River. The once abundant commercial salmon fishery was wiped out when a dam blocked the river's flow ...
- Jane Kay
Oct 13, 2021 · Between 1967 and 2020, the state’s Fall Midwater Trawl abundance indices for striped bass, Delta smelt, longfin smelt, American shad, splittail and threadfin shad have declined by 99.7, 100, 99.96, 67.9, 100, and 95 percent, respectively, according to Bill Jennings, Executive Director of the California Sportfishing Protection Alliance (CSPA).
Apr 22, 2019 · Efforts to preserve the smelt have relied on restricting delta water operations supplying the San Joaquin Valley and Southern California — regulations that have vexed agricultural interests and ...
