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Nov 5, 2021 · Click to enlarge. The Delta Smelt is a small fish, endemic to California that only occurs in the San Francisco Estuary. The slender-bodied fish typically reaches about 60-70 mm to a maximum size of about 120 mm (Figures 1, 2 and 3). The Delta Smelt life cycle follows the four seasons—spring spawning in fresh water, summer migration/rearing in ...
The delta smelt is preyed upon by larger fish, especially striped bass and largemouth bass, which are introduced species in the Sacramento-San Joaquin Delta. Endangered status. Historically, delta smelt were relatively abundant in the upper Sacramento-San Joaquin Estuary, with populations declining dramatically in the 1980s.
The Delta smelt is a small, short-lived, native fish that is found only in the San Francisco Estuary. Though it was once an abundant species, rapid decline led to the species being listed as threatened in 1993 under the federal Endangered Species Act and California Endangered Species Act.
Delta Smelt Supplementation. The San Francisco Bay-Delta and Lodi Fish and Wildlife offices and our partners are working on a plan to begin releasing hatchery-raised Delta smelt by 2024 to bolster the threatened fish's wild population.
Delta smelt. The delta smelt (Hypomesus transpacificus) is an endangered [1] [2] 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 ...
Dec 17, 2021. SACRAMENTO — This week, the U.S. Fish and Wildlife Service and the California Department of Fish and Wildlife (CDFW), along with the California Department of Water Resources (DWR) and the U.S. Bureau of Reclamation, experimentally released captively produced Delta smelt into the Sacramento-San Joaquin River Delta.
Order. Osmeriformes. Family. Osmeridae. Genus. Hypomesus. SPECIES. Hypomesus transpacificus. Life Span. 1 years. Length. 6.3-12. cm inch. 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.
