ANIMALS•March 8, 2026
Does goldfish memory last only three seconds?
Official Determination
MYTHEvidence Consensus: Verified
Short Answer
Goldfish possess memory spans of at least several months and can learn navigation, color cues, and operant conditioning tasks.
Detailed Explanation & Evidence
Dozens of university behavioral studies since the 1960s have proven goldfish retain learned responses for months. In experiments conducted at Plymouth University and Technion University, fish learned to navigate mazes, trigger feeding levers when prompted by sound frequencies, and recognize individual humans.
Sources & Peer-Reviewed References
2 Citations Indexed- 01
Gee, P., Stephenson, D., & Wright, D. E. (1994). Temporal discrimination learning of operative responses in goldfish. Journal of the Experimental Analysis of Behavior.
- 02
Brown, C. (2015). Fish intelligence, sentience and ethics. Animal Cognition.
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