Q:

What is the difference between male and female goldfish?

A:

Quick Answer

The difference between male and female goldfish is that male goldfish have bigger and thicker pectoral fins, a smaller anal opening and small bumps on the fins and gills when they are interested in mating. Female goldfish will not get the small bumps during mating season and they have a larger anal opening and smaller pectoral fins.

  Know More

Full Answer

Another way to tell the difference is to see which fish fatten out around the bottom. These fish are usually female and this indicates that mating season has arrived. It is incredibly difficult to tell the difference between male and female goldfish when the fish are young so it is recommended to start looking at sex when the fish are at least 1 year old, according to Fish Channel.

Learn more about Aquatic Pets
Sources:

Related Questions

  • Q:

    How can you tell if a fish is dying?

    A:

    There are common tell-tale signs to help in diagnosing if your fish is ill and they are as follows: clamped fins, frayed fins, bloating, enlargement of eyes, erratic swimming, gasping for air at the surface of the water, scraping on plants and filters, loss of appetite, white spots on fins/body, parasites on body, and normally active fish who remain still. Conditions or symptoms may vary.

    Full Answer >
    Filed Under:
  • Q:

    Why do goldfish swim upside down?

    A:

    Goldfish swim upside down when they have swim bladder disease. Goldfish and other species of fish may also swim sideways or do not have the ability to swim to the bottom of the tank if they have this disease.

    Full Answer >
    Filed Under:
  • Q:

    Why do goldfish turn white?

    A:

    Gold fish do not technically turn white, but lose color pigmentation when not exposed to enough natural sunlight. The cells responsible for maintaining the bright coloring of goldfish respond to light levels. Fish kept indoors in dark environments fade in color over time because their pigment cells are no longer chemically reacting to bright light.

    Full Answer >
    Filed Under:
  • Q:

    How do I know if my goldfish is male or female?

    A:

    According to FishChannel.com, determining the gender of a goldfish can be difficult, as the fish are weakly dimorphic. However, depending on when the fish are checked, it can be possible to determine their gender based on physical differences.

    Full Answer >
    Filed Under:

Explore