Delta smelt (Hypomesus transpacificus)

Scientific name: Hypomesus transpacificus McAllister, 1963

Delta smelt (Hypomesus transpacificus)

The Delta smelt (Hypomesus transpacificus) is a freshwater fish of the family Osmeridae. Native range: North America, Sacramento-San Joaquin Delta region in central California, USA.

Biology

Adults occur in open brackish and freshwater of large channels. Diet consists of zooplankton.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Hypomesus transpacificus
Family
Osmeridae (Smelts)
Order
Osmeriformes (Smelts)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
12.0
Common length
6.3
Environment
Freshwater; brackish; pelagic; anadromous
Climate
Temperate
Distribution
North America: Sacramento-San Joaquin Delta region in central California, USA.
Conservation status (IUCN)
Endangered (EN) (B1+2cd)
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (tm=1; tmax=1)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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