Aquatic Pets

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Although it seems contradictory, FishChannel.com states that in order to feel secure enough to swim in the open, goldfish like to have plenty of cover they can retreat to if needed. Goldfish may also hide if the current is too strong, agitating and stressing them, and making it difficult for them to swim.

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  • Why Do Goldfish Sit at the Bottom of a Tank?

    Q: Why Do Goldfish Sit at the Bottom of a Tank?

    A: Goldfish sit at the bottom of a tank when they are not well, often because toxins have built up in the water. Goldfish are usually active, and lethargy is a sign of illness.
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  • Can Female Betta Fish Live Together?

    Q: Can Female Betta Fish Live Together?

    A: It is not a good idea to keep multiple female betta fish in the same tank. Although it is possible to do so under the right conditions, the fish may still fight with one another.
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  • What Kind of Fish Can I Put in With My Betta Fish?

    Q: What Kind of Fish Can I Put in With My Betta Fish?

    A: Bettas prefer not to be placed into a tank with other fish and do best when they swim alone. These fish are not schooling fish, so they will fight other bettas when placed in a tank together, according to Pet Sitters International.
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  • How Do Goldfish Make Babies?

    Q: How Do Goldfish Make Babies?

    A: The Goldfish Tank explains that a female goldfish lays hundreds of eggs after mating with a male goldfish. This is also called spawning. However, goldfish are not easy to breed. A goldfish will rarely lay eggs in a home aquarium, according to The Goldfish Tank. In order to have babies, a goldfish has to be in a special environment that is difficult to replicate except in outdoor ponds.
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  • Which Fish Are Compatible With Goldfish?

    Q: Which Fish Are Compatible With Goldfish?

    A: There are a few species that can survive alongside goldfish, including Zebra Danios and White Cloud Mountain Minnows. These fish should never be added to a goldfish tank if the goldfish inside are larger than they are, since large goldfish may eat them. Goldfish should optimally be kept in a tank only with other goldfish.
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  • What Should I Do With the Young Ones My Fish Has Just Had?

    Q: What Should I Do With the Young Ones My Fish Has Just Had?

    A: Caring for newborn fish, also known as fry, is tricky. If the fish are a species that eats its young, remove the fry from the tank immediately to protect them from the adults. If the species cares for its young, keep them together with the mother in the tank.
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  • Do Goldfish Eat Other Fish?

    Q: Do Goldfish Eat Other Fish?

    A: Goldfish eat smaller fish as long as they fit in the goldfish's mouth. Goldfish do not have a picky diet. They eat a lot and go for whatever they can find that will fit in their mouth. This includes everything from fish flakes to other small fish.
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  • How Big Is a 125-Gallon Aquarium?

    Q: How Big Is a 125-Gallon Aquarium?

    A: A 125-gallon aquarium is 72 inches long, 18 inches wide and 21 inches tall. Glass aquariums of this size weigh approximately 206 pounds before being filled and 1,400 pounds filled. Acrylic aquariums weigh less.
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  • What Is the Difference Between Koi and Goldfish?

    Q: What Is the Difference Between Koi and Goldfish?

    A: Although both goldfish and koi are descended from the crucian carp, koi have feeler barbels and generally grow longer than goldfish. Goldfish have bigger fins and a more compressed body shape, while koi are longer and more cylindrical in shape and proportion.
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  • How Do I Know If My Goldfish Is Male or Female?

    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.
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  • What Is a Safe Plant for a Betta Fish Tank?

    Q: What Is a Safe Plant for a Betta Fish Tank?

    A: The anacharis is a good choice your betta fish tank, especially for beginners. The anacharis is the most common aquarium plant. It can be left to float, buried or tied to one spot. This plant does not require fertilizer, and it propagates with ease.
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  • Why Do Goldfish Swim Upside Down?

    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.
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  • How Can You Tell If a Fish Is Dying?

    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.
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  • How Do You Care for a Pet Squid?

    Q: How Do You Care for a Pet Squid?

    A: According to The Cephalopod Page, squids do not survive well in aquariums and should not be kept as pets. However, octopuses do make a suitable choice for owners interested in keeping a cephalopod as a pet. Octopuses need proper food and an ample, secure tank with plenty of places to hide and clean water.
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  • How Do You Repair a Leak in an Aquarium?

    Q: How Do You Repair a Leak in an Aquarium?

    A: A leaking aquarium creates a mess in the display area. Reseal the joint with silicon sealant to repair the leak. The sealant then needs to cure for 24 hours before you refill the tank.
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  • Why Do Fish Swim to the Surface of the Water?

    Q: Why Do Fish Swim to the Surface of the Water?

    A: Fish swim to the top of the water line in order to search for oxygen if the oxygen content in the water is too low. If pet fish are doing this, it usually means that they are in distress and are not finding sufficient amounts of oxygen in their own environment.
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  • What Do Clownfish Eat?

    Q: What Do Clownfish Eat?

    A: According to the National Wildlife Federation, clownfish eat bits of leftover fish that are caught by the sea anemone. The clownfish also gobbles down little pests that try to live among the anemone’s tentacles, and they chase away the butterfish and other anemone enemies that can eat the tentacles without getting stung.
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  • Why Do Goldfish Swim at the Bottom of the Tank?

    Q: Why Do Goldfish Swim at the Bottom of the Tank?

    A: Goldfish Connection indicates that goldfish sit at the bottom of an aquarium because of high or low levels of certain chemicals, such as ammonia or nitrates, in the water. A low pH level can also cause goldfish to settle on the bottom of the tank.
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  • Can You Keep Koi in a Fish Tank?

    Q: Can You Keep Koi in a Fish Tank?

    A: Koi can live in aquariums until they are six inches in length, or about two years old. The most important considerations in tanking koi are the number of fish in the space and water quality conditions.
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  • How Often Should I Clean My Goldfish Bowl?

    Q: How Often Should I Clean My Goldfish Bowl?

    A: According to Old Orchard Aquarium, a goldfish bowl should be cleaned at least twice a week if the tank does not have a filter. A tank with a filter should be cleaned at least once a week.
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  • How Long Do Goldfish Live?

    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.
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