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.

Continue Reading

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 do you tell male and female crayfish apart?

    A:

    To tell male and female crayfish apart, turn them upside down; the male has two tiny extra leg-like protrusions behind the last set of legs. It is safe to have the crayfish out of water for a short time to determine this.

    Full Answer >
    Filed Under:
  • Q:

    How long do goldfish live?

    A:

    When kept in captivity, goldfish live anywhere from a few months to 45 years depending on the size of their habitat and how well they are cared for. Goldfish kept in bowls have the shortest lifespan; with proper cleaning and feeding, they can survive for about five years.

    Full Answer >
    Filed Under:
  • Q:

    How do you know when a goldfish is stressed out?

    A:

    A goldfish indicates stress by gasping at the surface of the tank, refusing to eat, swimming in strange patterns or developing white spots on its body known as "ich." A goldfish may also develop fungus or a bacterial infection, manifested as white cottony growths or red spots, respectively. Sluggish and abnormal behavior indicate that a fish is being subjected to consistent low-intensity stress.

    Full Answer >
    Filed Under:
  • Q:

    Do goldfish eat each other?

    A:

    Although there is little proof, rare cases have indicated the possibility of cannibalism in goldfish. The National reported an incident in which goldfish ate other fish after an earthquake, leaving them of food for an extended period of time.

    Full Answer >
    Filed Under:

Explore