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Goldfish Breeding Tubercles

Goldfish Breeding Tubercles

Goldfish Breeding Tubercles (Carassius auratus auratus)  Whatare they and what are they for? Jennie Connelly 2012  Breeding tubercles are keratin-based skin nodules found on male goldfish.  They most often occur on the leading rays of the pectoral fins and the opercula (gill covers), but they can also be found on all rays of the pectoral…
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