Answer: Option C : C The images are those of the following cartilaginous fishes: 1. Scoliodonhas an elongated, spindle-shaped, body tapered at the ends. The trunk and tail are laterally compressed, while the head region is dorsoventrally compressed.Itis commonly known as dogfish, and is a type of shark. 2. Pristisis commonly known as sawfish. It ischaracterised by a long, narrow, flattened rostrum, or nose extension, lined with sharp transverse teeth, arranged so as to resemble a saw, and hence, the name. 3. Carcharodon, known as the great white shark,isknown to prey upon a variety of other marine animals, including fish and seabirds.It is alsoranked among the top predators in having the most recorded shark bite incidents on humans. 4.Trygon, commonly known as stingray,has a diamond-shaped pectoral findisc slightly wider than long, and a whip-like tail with upper and lower fin folds. A stinging spine is present on the tail, equipped with a venomgland at its base.
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