All About Goldies – Goldfish Types, Life and Behavior

by roshi on September 24, 2010

in Aquarium

goldfish best practices, oranda

Goldfish is the fresh cold water fish. Here is the important suggestions for goldfish lovers.

Goldfish Life Span

Goldfish are first and most common fish sold because goldfish have high tolerance for variable water conditions. It was one of the earliest fish to be domesticated, and is one of the most commonly kept aquarium fish. Goldfish breeds vary greatly in size, body shape, fin configuration and coloration (various combination of white, yellow, orange, red, brown, and black are known). Goldfish tend to adapt to most of the water conditions given to them but still need best practices of fishkeeping to ensure that not only they survive but flourish as well. Goldfish can live for 20 Years, become pets and develop their own traits as they get older. Goldfish have strong associative learning abilities, as well as social learning skills.

Goldfish visual sharpness allows them to distinguish between individual humans. Owners may notice that fish react favorably to them (swimming to the front of the glass, swimming rapidly around the tank, and going to the surface mouthing for food) while hiding when other people approach the tank. Over time, goldfish learn to associate their owners and other humans with food, often “begging” for food whenever their owners approach.

Responses from a blind goldfish proved that it recognized one particular family member and a friend by voice, or vibration of sound. This behavior was remarkable because it showed that the fish recognized the vocal vibration or sound of two people specifically out of other people in the house.

Goldfish have a memory-span of at least three months and can distinguish between different shapes, colors and sounds.

Common Types of Goldfish

  • Common goldfish
  • Black Moor
  • Bubble Eye
  • Celestial Eye
  • Comet goldfish
  • Fantail goldfish
  • Lionhead goldfish
  • Oranda
  • Pearlscale
  • Pompom goldfish
  • Ryukin
  • Shubunkin
  • Telescope eye
  • Ranchu
  • Panda Moor
  • Veiltail
  • Butterfly tail goldfish

I like Black Moor, Comet (goldfish), Fantail (goldfish), Oranda and Veiltail.

Goldfish Size

Goldfish grow to at least 6 inches in size, and some even larger e.g. 18 inches long. Some Goldfish stay small in size because of the environmental issues, e.g. low water quality, physical space of aquarium and food quality. A goldfish in a bowl will always remain small and will live half of its life span because of not much room for growth and muscle exercise.

You need 10 to 20 gallons water space for a single goldfish. Fantail Goldfish need 10 gallons per fish, Comet Goldfish need 20 gallons per fish. To get the most out of your goldfish, your fish tank should be at least 33 gallons for 3 fantails, 50+ for 4 or 5 comets. Less aquarium space available will limit their growth early-on.

Temperature, Food, Decorations for Goldfish

Goldfish do well at room temperature so heaters are not required for these. Goldfish can even survive below room temperature. Nice aquarium filters are needed e.g. internal filter and under gravel filter because Goldfish produce a lot of waste, so get a filter that is easy to replace the waste from aquarium.

Goldfish are vegetarians. lettus, cucumber, zuchinni and peas are a favorite treat for Goldies. Flaked foods will do as well. Do not over feed Goldfish. Goldfish always act hungry. You can regulate feeding twice a day.

When excess food is available, they produce more waste and faeces, due to incomplete protein digestion. Overfeeding can sometimes be diagnosed by observing faeces trailing from the fish’s cloaca (posterior opening).

Goldies eat most live plants. You can place artificial plastic plants in aquarium as well. Plants give Goldies a sense of protection. Any other aquarium decorations or toys should have smooth edges. Goldfish are large, powerful swimmers that can easily bump into sharp objects inside the tank if spooked.

How to Choose Goldfish

Take a lot of time choosing your Goldfish from the store. Look for smooth, nicely proportioned bodies, without sunken bellies or deformities e.g. bent spines, deformed gills. Make sure they are swimming well. Don’t worry about color on fish, they all change colors when they age.

[ title image credits: Oranda Goldfish ]
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