how to identify the male fish and female fish of Golden fish
Answers
Identifying Males
Look for tubercles. One of the main tell-tale signs that your goldfish is male, is the development of tubercles (small white spots) on their gill-shields. ...
Look for a thinner, more streamlined body shape. ...
Look for a concave vent. ...
Look for a midline ridge. ...
Watch for chasing behavior.
Boys will tend to have a longer, thinner body than girls. Examine the fins on your goldfish. A boy's pectoral fins will be more prominent and angular than a girl's, with white bumps to the front of the fins. Study the shape of your goldfish's body.
If it is female,
Look for a rounder, thicker body shape. Female goldfish tend to have a rounder, thicker body shape than males of the same age and species.
Look for a protruding vent. The vent (anal opening) of a female goldfish is rounder than the male's and tends to protrude from the body slightly as breeding season approaches.