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5.可数性状测定 按被检查鱼类种质标准规定执行,通常有以下项目: ——鳃耙:计数第一鳃弓外侧的鳃耙数。 ——下咽齿:计数左右下咽齿排列的行数及每行的齿数,用齿式表示。 示例:1·1·3/3·1·1 式中:1·1·3-左咽骨上有3行齿,外侧第一行有1枚齿,第二行有1枚齿,第三行有3枚齿; 3·1·1-右咽骨上有3行齿,内侧第一行有3枚齿,第二行有1枚齿,第三行有1枚齿。 ——鳍条:计数各鳍的鳍条数,用鳍式表示。 符号与代号:D-背鳍;A-臀鳍;P-胸鳍;V-腹鳍;C-尾鳍。 鳍棘（硬棘）数目用大写罗马数
5. Countable traits are tested according to the criteria for fish germplasm examined, usually with the following items: - Gill rake: counts the number of gill rakers outside the first gill arch. - Pharyngeal teeth: Count the number of rows and the number of teeth per row arranged in the order of the lower pharyngeal teeth, expressed as teeth. Example: 1.3.1.3.1.1 Where: 1.1.3 There are 3 rows of teeth on the left pharyngeal bone, 1 tooth on the first row outside and 1 tooth on the second row, and third There are 3 teeth in the row; 3.1.1 There are 3 rows of teeth on the right pharynx, 3 teeth on the first row on the inside, 1 tooth on the second row, and 1 tooth on the third row. - Fins: Count the number of fins of each fin, with fin type. Symbol and code: D- dorsal fin; A- anal fin; P- pectoral fin; V- pelvic fins; C- caudal fin. Fin spines (spine) the number of capital letters Roman number