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Potamotrygon motoro


Potamotrygon motoro
Montoro Stingray
珍珠魟
Montoro Stingray
珍珠魟
Orinoco Montoro Stingray
哥伦比亚三色魟

The ocellate river stingray (Potamotrygon motoro), also known as the peacock-eye stingray, is a potamodromous freshwater ray native to the basins of the Uruguay, Paraná, Orinoco, and Amazon Rivers.
It is known to grow up to 1 m. Its disk is roughly circular in shape, and its eyes are raised from the dorsal surface. The dorsal coloration is beige or brown, with numerous light orange spots with dark rings. The arrangements of these spots can vary from fish to fish.
此类魟鱼在自然环境中多生活在澹水河域中的底层。观赏价值高且价位合理的珍珠魟类,在魟鱼中算是较普及且爱好者接受度很高的一种。虽然同样名为珍珠魟,但由于产地的变异性、个体间的杂交及花纹的多样化,使得以Potamotrygon motoro为名的珍珠魟类个体,每只的花纹及颜色皆有着不同的表现
顾名思义,珍珠魟盘体上有着许多珍珠般的圆点,相当容易辨别,由于产地的变异性,个体的杂交..等使此类的鱼有许多不同个体的表现,也造就了许多不同的商业名称.如珍珠魟、皇冠珍珠魟、白玉珍珠魟、三色魟、帝王三色、哥伦比亚三色...等.珍珠魟体健容易饲养,且价格平实,是相当好的入门鱼种.
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