.

Regarding this, how long is the memory of a fish?

The myth that fish have short memories has been debunked by research which showed they respond to training after months in the wild. While it was previously believed that a fish's memory span was only three seconds, scientists now believe they can remember for up to five months.

Subsequently, question is, what fish has the shortest memory? FACT: Goldfish can remember things for months! The answer is a very definite no! Scientist have proven that goldfish memory spans are nowhere near as short as three seconds. Your goldfish can actually remember things for at least five months!

One may also ask, what has the longest memory?

bottlenose dolphins

Do fish have a 3 second memory?

Fish can remember things for months, according to researchers who have dismissed the myth that the animals have a three-second memory. They can learn to avoid predators after being attacked once and they retain this memory for several months. "And carp that have been caught by fishers avoid hooks for at least a year.