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ENVIRONMENT REPORT -August 9, 2002: US Proposes1 Ban on Snakehead Fish
By Cynthia Kirk
This is the VOA Special English ENVIRONMENT REPORT.
American Interior2 Secretary Gale3 Norton has proposed4 a ban on importing and selling twenty-eight kinds of fish
known as the snakehead. Experts say the fish is a threat to the environment because it eats other fish, plants and
animals.
The snakehead fish is native to the Yangtze River in China. It has appeared in at
least seven American states. It can grow to be almost one meter long. The
snakehead can breathe air and can stay out of the water for as many as three days.
The fish can leave the water and move across land to find food in other bodies of
water.
The snakehead has a wide mouth, sharp teeth and powerful jaws5. Some people say it
looks like a snake’s head. The fish can swallow other large fish. It also eats small
animals, including frogs, birds and mammals. Biologists say the snakehead has no known enemies.
Snakeheads are usually sold in fish markets or in pet stores in the United States. They are known for their
excellent taste.
In May, a northern snakehead was discovered in a small lake in Crofton, Maryland. A local man has since
admitted that he put two snakeheads into the pond two years ago. He said he had bought the fish from a market in
New York City. At first, he was going to cook the fish and eat them, but he later decided6 not to do this.
Biologists recently caught about one-hundred baby snakeheads in the pond in
Crofton. They fear that hundreds more may be in the water. If the fish escape from
the pond, they could move to the Little Patuxent River, about seventy meters away.
Scientists fear the fish could kill the wildlife in the river.
A group of scientists decided that the fish had to be killed before this could happen.
After several tests, they decided that poisoning the pond with chemicals was the
best way to kill the snakeheads.
The northern snakehead is only one of many kinds of snakeheads. But it is of most
concern because it is the only kind that can survive through winters. Other species7
require warmer climates for survival8.
Snakeheads also have been discovered in Hawaii, Florida, California, Maine, Massachusetts and Rhode Island.
But Maryland is the only state where reproduction of the species has been confirmed.
This VOA Special English ENVIRONMENT REPORT was written by Cynthia Kirk.
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(Photo -Cait Gillespie)
Wanted sign in Maryland:
'Have You Seen This Fish?'
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proposes
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v.提议,建议( propose的第三人称单数 );打算;提供(解释);提出(行动,计划或供表决的方案等) | |
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interior
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adj.在内的,内部的,内地的,国内的;n.内部 | |
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gale
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n.大风,强风,一阵闹声(尤指笑声等) | |
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proposed
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被提议的 | |
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jaws
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n.口部;嘴 | |
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decided
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adj.决定了的,坚决的;明显的,明确的 | |
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species
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n.物种,种群 | |
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survival
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n.留住生命,生存,残存,幸存者 | |
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version
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n.版本;型号;叙述,说法 | |
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