<p>总的来说蝲蛄的体形相对短粗,尤其是头胸部和螯肢. 蝲蛄螯的内侧缘较光滑,克氏则有齿状棘突;蝲蛄的额剑接近正三角形,克氏则较细长,并在基角处形成眼后棘.</p>
<p>还可从背甲区分,如下图黄色箭头所指,克氏原螯虾背甲左右两瓣在背脊中央接合,形成一中沟,蝲蛄则左右分开,只形成") ("状突起.</p>
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<p> </p><img src="attachments/dvbbs/2008-12/2008122416361116432.jpg" border="0" onclick="zoom(this)" onload="if(this.width>document.body.clientWidth*0.5) {this.resized=true;this.width=document.body.clientWidth*0.5;this.style.cursor='pointer';} else {this.onclick=null}" alt="" /><br/><img src="attachments/dvbbs/2008-12/2008122416361198974.jpg" border="0" onclick="zoom(this)" onload="if(this.width>document.body.clientWidth*0.5) {this.resized=true;this.width=document.body.clientWidth*0.5;this.style.cursor='pointer';} else {this.onclick=null}" alt="" /><br/> |