sea lamprey是什么意思

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八目鳗

sea lamprey英英释义

noun

a large anadromous lamprey (Petromyzon marinus) that has a mottled upper surface, is an ectoparasite of fish, and is sometimes used as food

sea lamprey词源英文解释

The first known use of sea lamprey was in 1879

sea lamprey儿童词典英英释义

sea lampreynoun

a lamprey of the Atlantic coast that is also found in the Great Lakes and that attaches to and feeds on other fishes with its round sucking mouth

sea lamprey 例句

1 Then alewives, sea lampreys, Eurasian watermilfoil and others all were introduced into the lake and made their mark.

2 To their surprise, the team found that the sea lamprey core hindbrain circuit is also initiated by retinoic acid.

3 However, it was not believed to be involved in the hindbrains for more primitive species including sea lampreys.

4 Either way, the enduring mystery of how closely humans and sea lamprey fit on the vertebrate family tree will continue.

5 Just one sea lamprey can kill 40 pounds of fish per year, per the administration.

6 The sea lamprey grows to about 16-18 inches on average in the Great Lakes and prefers lake trout but will feed on a variety of fish, including sturgeon, perch, walleye and bass.

7 The primary culprit was the sea lamprey, a parasitic aquatic invasive species which devastated lake trout and burbot populations in the lake.

8 After the Big Pond's native top predator fish, lake trout and burbot, were laid low in the middle 20th Century by overfishing by commercial interests and parasitism by the invasive sea lamprey, the lake swelled with nuisance numbers of alewife, another invasive aquatic species.

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