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首页> 外文期刊>Memoirs of the Queensland Museum >A putative hybrid of the Murray Crayfish, Euastacus armatus (Crustacea: Decapoda: Parastacidae)
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A putative hybrid of the Murray Crayfish, Euastacus armatus (Crustacea: Decapoda: Parastacidae)

机译：默里小龙虾，Euastacus armatus（甲壳纲：十足目：寄生虫）的推定杂种

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摘要

An unusual population of freshwater crayfish of the genus Euastacus found in the East Buffalo River, Victoria, is morphologically distinguishable from other populations, and in particular has a marbled or camouflage pattern on the carapace. The cheliped dactylar spine counts and the number of zygocardiac teeth anteriof to the ventral ear of the zygocardiac ossicle (TAP) are somewhat reduced but these values overlap with the range of the most similar species (E. armatus). Genetic sequences from the C01 and 16S mitochondrial DNA regions were also undertaken, and the results indicated that these animals may represent an aberrant population of E. armatus (the Murray Crayfish) or perhaps a hybrid between E. armatus and E. woiwuru, two species that are found downstream and upstream, respectively, of the population investigated. The conservation status of the population remains unclear.
机译：在维多利亚州东布法罗河发现的Euastacus属淡水小龙虾种群与其他种群在形态上可以区分开，特别是在甲壳上有大理石纹或迷彩纹。螯状小突突脊骨计数和到合心小骨（TAP）腹侧耳的合心大齿的数量有所减少，但这些值与最相似物种（E. armatus）的范围重叠。还对C01和16S线粒体DNA区域的遗传序列进行了分析，结果表明这些动物可能代表了埃米不育大螯虾（Murray Crayfish）的异常种群，或者可能是埃米不育大肠埃希菌和两个物种的杂交种。分别位于所调查人口的下游和上游。人口的保护状况仍然不清楚。

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