fish with high compressed head and a body tapering off into a long tail

any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates

a deep-sea fish with a tapering body, smooth skin, and long threadlike tail

any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales

cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins

any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills