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...
Goldfish External Anatomy
(click image for larger view) BodyFor fancy goldfish, the body shape is much shorter and deeper than the typical torpedo shape seen in most fish.PeduncleThe peduncle is the area of the fish that joins the body and the caudal fin together. ...
Goldfish Internal Anatomy
(click image for larger view) Mouth Food is ingested through the mouth, but the mouth also takes in fresh water. This water is continually pumped over the gills to extract oxygen from it, and then expelled through the operculua. Pharynx The...