The aquatic animal with the most developed intelligence is
-
shark
-
whale
-
flying fish
-
sea horse
B
Correct answer
Explanation
Cetaceans (whales and dolphins) have the most developed intelligence among aquatic animals. Dolphins, in particular, demonstrate advanced problem-solving, complex social behavior, self-recognition, and sophisticated communication. While sharks are efficient predators, their cognitive abilities are far below those of cetaceans.