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扁虫

作者:尘风发布:2020-11-19 8:48:37阅读:10,539次

Temnocephids是一种扁虫(Flat Worm),是一种只会在澳大利亚产大型蜜暇如Yabbie 、Marran或多刺螯虾身上发现的体外寄生虫;它们的出现通常与低盐度和高营养盐的水质有关。这种扁虫看起来就像个外星生物一般,体型较大,体长可达2cm,底部具有吸盘可牢牢吸附在螯虾身上.上方有着五至六根触角,用以捕捉水中因螯虾扰动底沙而出现的白线虫或其他原生动物为食。虽然这种扁虫多半对螯虾无害,但看起来很吓人,会损害其商品价值,因此同样可将个体盐浴个几分钟便能轻易让虫体脱落,但由于扁虫会将卵产在螯虾的尾巴下方或鳃腔中,即使盐浴或煮沸也很难将其杀死,较为棘手。

扁虫

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