英语词汇“signal crayfish”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

signal crayfish n. [after Swedish signalkräfta (1965 or earlier)] a freshwater crayfish, Pacifastacus leniusculus (family Astacidae), with a bright patch on the underside of each claw, native to the western United States and introduced in Europe and Japan, where it now threatens native wildlife.

ΚΠ

1982 Ambio 11 362/3 Signal crayfish (Pacifastacus leniusculus) from the United States have been introduced to Swedish waters and have partially compensated for the native populations lost to the plague.

2010 Westmorland Gaz. (Nexis) 13 Apr. Native crayfish have come under threat from signal crayfish, who out compete them for food and habitat and spread crayfish plague.

单词	signal crayfish
释义	> as lemmas signal crayfish signal crayfish n. [after Swedish signalkräfta (1965 or earlier)] a freshwater crayfish, Pacifastacus leniusculus (family Astacidae), with a bright patch on the underside of each claw, native to the western United States and introduced in Europe and Japan, where it now threatens native wildlife. ΚΠ 1982 Ambio 11 362/3 Signal crayfish (Pacifastacus leniusculus) from the United States have been introduced to Swedish waters and have partially compensated for the native populations lost to the plague. 2010 Westmorland Gaz. (Nexis) 13 Apr. Native crayfish have come under threat from signal crayfish, who out compete them for food and habitat and spread crayfish plague. extracted from signaln. < as lemmas
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> as lemmas