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Sacramento–San Joaquin River Delta in California
- The delta smelt is endemic to the Sacramento–San Joaquin River Delta in California, where it is distributed from the Suisun Bay upstream through the delta in Contra Costa, Sacramento, San Joaquin, and Solano Counties.
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The delta smelt is endemic to the Sacramento–San Joaquin River Delta in California, where it is distributed from the Suisun Bay upstream through the delta in Contra Costa, Sacramento, San Joaquin, and Solano Counties.
Pacific Ocean. Biogeographical realms. Nearctic. The delta smelt is endemic to the Sacramento–San Joaquin River Delta in California, where it is distributed from the Suisun Bay upstream through the delta in Contra Costa, Sacramento, San Joaquin, and Solano Counties.
Nov 5, 2021 · Delta Smelt feeds primarily on planktonic copepods, cladocerans, and amphipods. Weak swimming behavior, combined with diel shifts up and down in the water column in response to tidal currents allows Delta Smelt to stay within limited regions, where planktonic food is also concentrated.
The delta smelt is endemic to the Sacramento–San Joaquin River Delta in California, where it is distributed from the Suisun Bay upstream through the delta in Contra Costa, Sacramento, San Joaquin, and Solano Counties.
Jun 24, 2019 · The Real Story. Though many believe that the increase of freshwater flow through the delta is a waste of water to protect smelt, the main reason for the freshwater outflow is to decrease salinity in the delta in general, not just for delta smelt.
Ecology: Delta Smelt are small, euryhaline fish primarily occuring in shallow, low-salinity regions of the San Francisco Estuary. Delta Smelt are planktivorous, primarily feeding on planktonic crustaceans. Spawning takes place in spring to early summer in sloughs of the upper estuary (Moyle 2002).
General Biology. The delta smelt is a slender-bodied fish typically reaching 60-70 mm standard length (SL), with a maximum size of about 120 mm SL. Delta smelt is endemic to the upper San Francisco Estuary, primarily the Delta and Suisun Bay (Moyle et al. 1992).
