Clownfish are protandrous hermaphrodites. This means that they are all born first as males (pro - first, androus - male), but can change their gender during their lifetimes. Usually, a breeding male and female pairing live together with smaller, non-reproductive male clownfish. When the female dies, the dominant male changes its sex and becomes a
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Speaking of Nemo, did you know that the producers intended Dory to be a goldfish? This explains her terrible memory - goldfish purportedly have a memory span of 3 seconds. They only changed their minds and chose the regal tang because someone pointed out that it was ridiculous to find a goldfish in the middle of the ocean.
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