Читать книгу Clinical Guide to Fish Medicine - Группа авторов - Страница 83

These are rays with strong electric organs derived from branchial musculature. They are dorsoventrally flattened with rounded pectoral fins. They are slow‐moving, and do not use their pectoral wings much for locomotion. The skin is soft with no denticles or thorns. Their eyes are very small. There is a well‐developed caudal fin (Nelson et al. 2016).