一、形态特征长吻鎨,吻似长锥形,向前突出;口下位,呈新月形,唇肥厚;眼小,须4对;上、下颌均具数行锋利细齿;体粗且长,腹部较圆,尾部侧扁;体表光滑无鳞,侧线平直;背、胸鳍均具发达的锯齿状棘刺,脂鳞肥厚;体色背部青灰色(个别淡红色),腹部白色。二、生活习性长吻鎨性温和,喜集群, First, the morphological characteristics of a long kiss 鎨, kiss long taper, forward protruding; mouth under the bit, was crescent-shaped, lip hypertrophy; small eyes, to be four pairs; upper and lower jaw are a few rows of sharp fine teeth; Long, round belly, the tail side of the flat; smooth surface without scale, straight line; back, pectoral fins are well-developed serrated thorns, fat scales hypertrophy; body color blue (individual pink), abdominal white. Second, life habits Long kiss 鎨 mild, like clusters,