Question

Lateral line system is absent in ...............

• A. Sea horse
• B. Clarias
• C. Shark
• D. Aquatic amphibians

Answer 1

The correct option is A Sea horse

Seahorse is the marine organism. They belong to the genus of Hippocampus. They are bony fishes. They do not have the presence of scales on their body when compared to the other bony fishes. The body is composed of bony plates. The skin tissue is present over the bony plates. The bony plates are arranged in series like the rings. Lateral line system is a system of tactile sense organs. This type of system is present in aquatic vertebrates. This organs helps to detect movements and pressure changes in the surrounding water. Hippocampus lacks this type of organ.
Thus, the correct answer is option A.