Sentence examples for introduced fish from inspiring English sources

The river is now black, he said, and newly introduced fish die within hours.

Native and introduced fish varieties in the park's waterways include trout, suckers, and the Utah chub (Gila atraria).

Nationally, the Congressional Office of Technology Assessment reports that environmental losses from introduced fish are $1 billion per year; from arthropods, $2.13 billion; and from mollusks, $1.3 billion.

Some trout species are native to the streams of the Sierra Nevada, but others have been introduced; fish stocking is now common in all areas because of damming and other disturbances to the natural habitat.

We investigated the relationships among pond drying regime, presence of introduced fish and bullfrogs, and presence of tiger salamander populations in 42 ponds.

Metamorphosed bullfrogs ate salamander larvae in laboratory and field experiments, and the risk of local extinction among salamander populations was increased by introduced fish.

Some species have been deliberately introduced; in Switzerland, 15 species of introduced fishes represent 25% of the fish fauna.

Now scientists suspect that introducing fish at an early age may help protect against allergies.

Other players can introduce fish and other events into the depths via second screen apps on tablets and smartphones, while watching what happens on a regular television.

Locals had proposed introducing fish in the past, but every time wildlife managers and environmentalists had struck it down, according to Doherty-Bone.

According to Dr Little, re-introducing fish has not only raised yields, but has also made them more stable.The elimination of pesticides pleases environmentalists and makes financial sense for the farmers.