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Common Name Scientific Name <br />Fed/ <br />State/ <br />CNPS <br />Other <br />Status Habitat Micro Habitat Potential <br />to Occur <br />Justification for <br />Determination <br />Fish <br />Green sturgeon <br />(southern DPS) <br />Acipenser <br />medirostris <br />FT/- Aquatic | Sacramento/San <br />Joaquin flowing waters |Estuary <br />Anadromous. Spawns in <br />Sacramento River, moves to <br />estuary as juvenile, and out to <br />ocean as adult. <br />High Found within the <br />waterways of the Study <br />Area. <br />Sacramento <br />perch <br />Archoplites <br />interruptus <br />-/- AFS_TH- <br />Threatened <br />| <br />CDFW_SSC- <br />Species of <br />Special <br />Concern <br />Aquatic | Sacramento/San <br />Joaquin flowing waters | <br />Sacramento/San Joaquin <br />standing waters <br />Historically found in the sloughs, <br />slow-moving rivers, and lakes of <br />the Central Valley. Prefers warm <br />water. Aquatic vegetation is <br />essential for young. Tolerates <br />wide range of physio-chemical <br />water conditions. <br />Low Potentially found within <br />waterways of the Study <br />Area. <br />Delta smelt Hypomesus <br />transpacificus <br />FT/SE AFS_TH- <br />Threatened <br />| IUCN_EN- <br />Endangered <br />Aquatic | Estuary Sacramento-San Joaquin Delta. <br />Seasonally in Suisun Bay, <br />Carquinez Strait & San Pablo <br />Bay. Seldom found at salinities > <br />10 ppt. Most often at salinities < <br />2ppt. <br />High Found within the <br />waterways of the Study <br />Area. <br />steelhead - <br />Central Valley <br />DPS <br />Oncorhynchus <br />mykiss irideus <br />pop. 11 <br />FT/- AFS_TH- <br />Threatened <br />Aquatic | Sacramento/San <br />Joaquin flowing waters <br /> High Found within the <br />waterways of the Study <br />Area. <br />chinook salmon <br />- Central Valley <br />spring-run ESU <br />Oncorhynchus <br />tshawytscha pop. <br />6 <br />FT/ST AFS_TH- <br />Threatened <br />Aquatic | Sacramento/San <br />Joaquin flowing waters <br />Adult numbers depend on pool <br />depth and volume, amount of <br />cover, and proximity to gravel. <br />Water temps >27 C are lethal to <br />adults. Federal listing refers to <br />populations spawning in <br />Sacramento River and <br />tributaries. <br />High Found within the <br />waterways of the Study <br />Area. <br />chinook salmon <br />- Sacramento <br />River winter- <br />run ESU <br />Oncorhynchus <br />tshawytscha pop. <br />7 <br />FE/SE AFS_EN- <br />Endangered <br />Aquatic | Sacramento/San <br />Joaquin flowing waters <br />Sacramento River below <br />Keswick Dam. Spawns in the <br />Sacramento River, but not in <br />tributary streams. Requires <br />clean, cold water, between 6 <br />and 14 C, over gravel beds for <br />spawning. <br />High Found within the <br />waterways of the Study <br />Area. <br />Sacramento <br />splittail <br />Pogonichthys <br />macrolepidotus <br />-/- AFS_VU- <br />Vulnerable <br />| <br />CDFW_SSC- <br />Aquatic | Estuary | Freshwater <br />marsh | Sacramento/San <br />Joaquin flowing waters <br /> <br />Endemic to the lakes and rivers <br />of the Central Valley, but now <br />confined to the Delta, Suisun <br />High Found within the <br />waterways of the Study <br />Area.