鲈属

Gobbid fish Odontobutis potamophila (Günther was one kind of raptatorial benthonic fish in Taihu Lake.

河川沙塘鳢Odontobutis potamophila(Günther，Gobbid fish属鲈形目，塘鳢科，俗名塘鳢鱼，为淡水底栖小型野生肉食性鱼类，分布于我国长江水系中下游、钱塘江、闽江等水系。

The Odontobutis potamophila belongs to Perciformes, Odontobutidae. It is an important freshwater commercial fish in china.

河川沙塘鳢Odontobutis potamophila属鲈形目、沙塘鳢科，为我国重要的淡水经济鱼类。

Thirty-two species of wild freshwater fish were collected,belonging to three orders,ten families,and twenty-seven genera,among which,there were twenty-one species of Cypriniformes,four species of Perciformes,and seven species of Siluriformes.

采集的野生淡水鱼类32种，隶属于3目10科27属，其中鲤形目鱼类21种，占65.6%，鲈形目鱼类4种，占12.5%，鲇形目鱼类7种，占21.9%。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。