Topic > Essay on chondrichthyan fish - 735

How do sharks reproduce? During mating, the male shark fertilizes the eggs by inserting his clasp into the female shark's oviduct. What happens after fertilization varies from one species to another. There are species of sharks that lay their eggs covered by a protective tissue. These eggs later hatch into young fish. Other species give birth to live young and then abandon them. 8. Briefly describe some of the ways in which the shark is able to locate its prey in the water. It highlights how sharks rely on senses other than sight. Sharks use their senses, hearing and sight to locate their prey in the water. They have sensory receptors that form what is called a lateral line. These receptors detect any potential prey and then moves in the direction of the stimulus. Electroreception is another mechanism used by sharks to detect prey. In electroreception, the Shark picks up fragile electrical signals produced by the muscular contraction of nearby prey. 9. What is the full taxonomic name and "popular name" of the shark we will examine in the laboratory? The shark's popular name is Smallfin Gulper Shark while its taxonomic name is Centrophorus