Scientific studies on fish memory clearly refute the popular myth that goldfish have a memory span of only a few seconds, demonstrating that various fish species retain spatial and associative memories for days, weeks, or even months.
Evidence against · 2
Spatial Learning of Individual Cichlid Fish and Its Effect on Group Decision Making
2022 · cited by 8
Demonstrates that fish (cichlids) retain spatial associative memory over many days without decrement.
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More against · 1
Memory retention capacity using two different training methods, appetitive and aversive learning, in juvenile red sea bream Chrysophrys major.
2019 · cited by 4
Shows that fish (red sea bream) can retain appetitive memories for up to 30 to 60 days.