Fish sex and maturity scores

First column contains the ID of the collection, which indicates the location of the collection. Second column is a unique ID for each fish. Third column is the sex of the fish; male = M, female = F, unknown = U. Fourth column is the maturity score if the fish is female; 1=gravid but eggs not visible or running, 2=eggs visible but not running, 3=eggs running. If fish is male or unknown, a zero will be recorded in this column. Fifth column is the maturity score if the fish is male; 1=just enough colour to identify as male, 2=red colour on throat, mouth, snout, and operculum and/or blue colour on eye, posterior flank, and area around the testes, 3=intense and extensive red colour on throat, mouth, snout, and operculum and/or blue colour on eye, posterior flank, and area around the testes. If fish is female or unknown, a zero will be recorded in this column.

该数据集各列说明如下：第一列为采集批次ID，用于标识该批次样本的采集位置；第二列为每条鱼类的唯一标识编号；第三列为鱼类性别标识，雄性记为M，雌性记为F，性别未知记为U；第四列为雌性鱼类的成熟度评分，评分规则为：1分表示怀卵但卵粒不可见或未产卵排出，2分表示卵粒可见但未产卵排出，3分表示卵粒已产卵排出，若为雄性或性别未知的个体，该列记为0；第五列为雄性鱼类的成熟度评分，评分规则为：1分表示体色特征刚好可识别为雄性，2分表示喉部、口部、吻部及鳃盖处带有红色斑纹，和/或眼部、体后侧及精巢周围区域带有蓝色斑纹，3分表示喉部、口部、吻部及鳃盖处带有浓郁且大面积的红色斑纹，和/或眼部、体后侧及精巢周围区域带有蓝色斑纹，若为雌性或性别未知的个体，该列记为0。