Test how do eyeless fishes sense the outside world?

Test how do eyeless fishes sense the outside world? It is the sense of smell and long tentacles. Its tentacles are usually longer than the body. It can swing in the water and explore the surrounding environment to obtain necessary information, make up for the disadvantage of having no eyes, and enable it to master the environment and hunt in the dark.

Magical Ocean Science Questions and Answers June 5

Question: How do eyeless fishes perceive the outside world?

Answer: Smell and long tentacles

Knowledge expansion:

Eyeless fish are also called eyeless fish and blind fish. It has no eyes and relies on its keen sense of smell and long tentacles to sense the outside world. Eyeless fish have been found in underground caves in southwest my country. They live in the dark for a long time, can endure hunger, and can survive in water temperatures of minus 10 to 35°C. They have extremely strong vitality.