What are the signs a goldfish is about to spawn?
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👁 6211 views 💬 29 replies Behavior & Training
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Expert Answer
As spawning nears, the female’s belly visibly swells and her color becomes brighter. Males constantly chase and nip her and rub her belly; stimulated, she becomes very active and swims faster—a sign she’s about to spawn.
Goldfish usually spawn from 4 to 10 am and need over 5 hours. After the female lays eggs, the male fertilizes them.