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Conservation Genetics: Fish

This page presents samples of genetics and genomics research from the USGS Biological Resources Discipline about the conservation genetics of fish.

  • Image of a Pallid sturgeon

Using Parasites to Monitor Ecosystem Health

Parasites can play a positive role in ecosystems. The USGS Western Ecological Research Center is working with the Channel Islands National Park in California to better understand how bacterial epidemics can protect kelp forests from overgrazing by sea urchins and how parasitic castrators might be used against invasive crabs. Researchers will More...

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Veined Rapa Whelk, Asian Rapa Whelk, Rapana venosa (Valenciennes, 1846) Mollusca: Gastropoda, Muricidae

This resource is a species profile and nonindigenous species information bulletin for the Veined Rapa Whelk, Asian Rapa Whelk, Rapana venosa (Valenciennes, 1846) Mollusca: Gastropoda, Muricidae. The shell is globose (rounded), with a very short-spire and large body whorl. The veined rapa whelks are carnivorous gastropods whose main diet More...

  • Veined Rapa Whelk, Rapana venosa (Actual size of specimen is ~6 in/152 mm)

Retrospective evaluation of Exxon Valdez oil spill Trustee Council sponsored sea otter studies

An extensive and diverse array of studies were implemented concurrent with and for several years following the Exxon Valdez oil spill to determine the acute and chronic effects to sea otters. In part, this paper describes what activities relative to sea otters should take place prior to, during, and following another spill similar to the Exxon More...

  • sea otter in ocean at time of oil spill