1、DB41/T1595-2018图1伊河团头鲂外形图4.1.2可数性状4.1.2.1背鳍鳍式：D.i-7。4.1.2.2臀鳍鳍式：A.ii-2332,多数为i-2629。4.1.2.3侧线鳞：4960，多数为5256。4.1.2.4左侧第一鳃弓外侧鳃耙数：1115，多数为1214：内侧鳃耙数2022。4.1.3可量性状对于体长22.0mm466.0mm、体重0.2g3035.0g的伊河团头鲂个体，实测不同体长组的可量性状比例值见表1。表1伊河团头鲂不同体长组可量性状比例值全长mm22.027.5127.0183.0195.0247.0315.0-398.0428.0-555.0体长mm18.52
2、1.599.0152.0158.0206.0260.0338.0355.0466.0体长/体高3.530.182.260.62.210.112.130.102.140.09体长/头长3.210.132.930.315.080.165.620.245.690.22体长/尾柄长8.060.257.800.287.61+0.827.480.367.640.42体长/尾柄高9.250.298.050.317.83土0.397.400.337.310.26头长/吻长4.130.154.210.084.110.374.570.324.410.27头长/眼径3.010.103.280.063.400.243.630.214.020.23头长/眼间距3.100.063.150.042.100.121.900.071.890.124.2内部结构特征4.2.1鳔鳔分三室。中室最大，后室细小。4.2.2下咽齿2
