waterways

First Asian carp found in waterway near Great Lakes

A 20-pound (9-kg) Asian carp was fished out of a waterway close to the Great Lakes and beyond twin electric barriers designed to keep them out, authorities said on Wednesday. It was the first time the voracious invader has been found beyond the electric barriers in the waterways that connect Lake Michigan, one of the five Great Lakes, with the Mississippi River basin, where the carp have proliferated.

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First Asian carp found in waterway near Great Lakes

waterways

Tilapia Found to be Invasive in Fiji

The poster child for sustainable fish farming—the tilapia—is actually a problematic invasive species for the native fish of the islands of Fiji, according to a new study by the Wildlife Conservation Society and other groups. Scientists suspect that tilapia introduced to the waterways of the Fiji Islands may be gobbling up the larvae and juvenile fish of several native species of goby, fish that live in both fresh and salt water and begin their lives in island streams

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Tilapia Found to be Invasive in Fiji