Researchers: Giant goldfish threatens Lake Tahoe

February 24, 2013

Giant goldfish could be threatening the ecology of Lake Tahoe on the California-Nevada border.

Biologists with the University of Nevada, Reno say they're finding a growing number of the fish in the crystal clear lake.

Researcher Sudeep Chandra told KCRA-TV ( ) the discovery is especially worrisome because the fish eats a lot and excretes "lots of nutrients" that stimulate .

Some of the goldfish have grown to 18 inches and could eat smaller fish and create new competition for native trout.

Chandra says that with no prior studies on goldfish for guidance, researchers are catching the giant fish and bringing them back to their lab to study.

It's not clear how the got into , but it's believed to be from people dumping aquariums into the lake.

Explore further: See-through goldfish shows clear benefits for science, research


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not rated yet Feb 24, 2013
Given the price of ornamental goldfish of that size, this is not a problem, but an economic opportunity. No limits catch & 1 year = no issue.

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