鳞鲤是杂食性鱼类，喜食底栖生物。在池塘养殖下，幼鱼以浮游动物性和底栖生物为食，成鱼可完全摄食人工饵料。体长7～10mm幼鱼摄食原生动物和轮虫，体长10～50 mm摄食枝角类挠足类及摇蚊幼虫，在体长超过56mm时，则主要摄食人工饵料，但肠道有少量的浮游动物碎片。体长500mm以上，肠道内很少见有浮游动物。
以外周血淋巴细胞制备染色体标本，人工复合三倍体鲤染色体数为150，其亲本红鲤、红鲫和散鳞镜鲤的二倍体染色体数均为100。
Chromosome preparations made from leucocyte cultures showed that the artificial multiple triploid carp has a chromosomal number of 150, and all the fore parental forms have 100.
对松浦镜鲤（SP）和德国镜鲤选育系（F4）（DJ）的可量性状及体表鳞片数进行比较，SP与DJ的可量性状与体表鳞被存在差异。
In this paper, the measurable characters and number of scales in Songpu mirror carp(SP) and German mirror carp selection strain(F4)(DJ) were compared.
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