Fish

A:

Contrary to popular belief, betta fish can live with other fish as long as only one male betta is in the tank. If two male bettas are housed together, they fight.

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  • Can Betta Fish Live With Other Fish?

    Q: Can Betta Fish Live With Other Fish?

    A: Contrary to popular belief, betta fish can live with other fish as long as only one male betta is in the tank. If two male bettas are housed together, they fight.
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  • What Is the World Record for a Goliath Grouper?

    Q: What Is the World Record for a Goliath Grouper?

    A: The world record for the largest goliath grouper is 680 pounds. This fish was caught by Lynn Joyner at Fernandina Beach, Fla., on May 20, 1961.
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  • Why Are Crustaceans so Well Adapted to Life on the Rocky Shore?

    Q: Why Are Crustaceans so Well Adapted to Life on the Rocky Shore?

    A: Crustaceans have hard outer shells (exoskeletons), which help them to adapt to life on the rocky shore. The shell protects them against the waves as well as predators, such as birds or sharks.
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  • Do Goldfish Need an Air Pump?

    Q: Do Goldfish Need an Air Pump?

    A: Goldfish do not need an air pump for effective breathing. Oxygen is dissolved by disturbances at the surface of a tank, and that movement is adequately produced by the tank's filter.
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  • What Are Some Adaptations of a Seahorse?

    Q: What Are Some Adaptations of a Seahorse?

    A: Seahorse adaptations include elongated snouts and prehensile tails. The males have a brood pouch on the front side of their bodies. Seahorses mate for life, unlike other fish.
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  • How Long Do Fish Live?

    Q: How Long Do Fish Live?

    A: Fish lifespans can average anywhere from one year to 20 years. The lifespans of aquarium fish vary greatly depending on the species.
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  • What Is a Female Fish Called?

    Q: What Is a Female Fish Called?

    A: Neither female or male fish have a specific name. Baby fish, however, are called fry or fingerlings. A group of fish is called a school, shoal, draft or run.
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  • Why Do Salmon Swim Upstream?

    Q: Why Do Salmon Swim Upstream?

    A: Salmon return to rivers from the ocean and swim upstream to their original hatching place to lay and fertilize their eggs. Swimming upstream is hard work, and only the strongest complete the journey and spawn the next generation of salmon.
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  • What Type of Fish Is Dory From Finding Nemo?

    Q: What Type of Fish Is Dory From Finding Nemo?

    A: Dory's character in "Finding Nemo" is a blue tang fish. Blue tang fish are characterized by their bright blue coloring and yellow tail. These fish are found in the Pacific and Indian Oceans.
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  • What Is a Wild Atlantic Salmon?

    Q: What Is a Wild Atlantic Salmon?

    A: The wild Atlantic salmon is a fish of the Salmonidae family, native to the northern Atlantic Ocean and rivers flowing into it. The juvenile salmon live in freshwater rivers and streams until they migrate out to sea, eventually returning to spawn.
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  • Why Do Mullets Jump Out of the Water?

    Q: Why Do Mullets Jump Out of the Water?

    A: The most common theories as to why mullets jump out of the water are because the mullets are attempting to shake away parasites, break open eggs during spawning season or avoid predators. Mullets, also called gray mullets, are part of the Mugilidae family and are ray-finned fish found throughout the world in tropical and coastal waters.
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  • Can Fish Swim Backwards?

    Q: Can Fish Swim Backwards?

    A: Some species of fish, such as the moray eel, can swim backwards. Species of fish that do not swim horizontally include the catfish, the sea horse and the shrimp fish, who swim vertically.
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  • How Big Do Koi Carp Grow?

    Q: How Big Do Koi Carp Grow?

    A: Koi carp grow to an average size of 24 to 36 inches long. It is possible for some to reach lengths greater than 4 feet but only when pond conditions replicate their natural environment and they have plenty of space.
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  • What Are Some Safe Betta Tank Mates?

    Q: What Are Some Safe Betta Tank Mates?

    A: African dwarf frogs, snails and ghost shrimp, due to their unique characteristics, are all compatible tank mates for the betta. Other fish may be compatible depending upon the temperament of the individual betta. In general, avoid colorful fish, fish that are fin nippers, fish that live in brackish water, and fish that grow too large and overwhelm the tank space.
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  • What Are Freshwater Angelfish?

    Q: What Are Freshwater Angelfish?

    A: Freshwater angelfish are a popular type of aquarium fish. Their anal and dorsal fins have an exaggerated shape that remind people of the wings of angels. Angelfish come in several bright colors and patterns, and they are easy to care for and not particular about their diet.
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  • What Is the Difference Between a Manta Ray and a Stingray?

    Q: What Is the Difference Between a Manta Ray and a Stingray?

    A: Manta rays and stingrays differ in size, diet and appearance. Manta rays are significantly larger than the stingrays, with oceanic mantas reaching a size of 23 feet from wing tip to wing tip, and reef mantas, a smaller species, reaching a wing span of 9 to 15 feet. Larger stingrays grow to 6.5 feet in length. The manta ray also lacks the characteristic venomous stinger found on the stingray's tail.
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  • What Is a Goliath Grouper?

    Q: What Is a Goliath Grouper?

    A: Goliath grouper are the largest members of the sea bass family in the Atlantic ocean. They weigh up to 800 pounds and are up to 8.2 feet in length. They are also heavily built, and their bodies are half as wide as they are long at their widest point.
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  • What Was the Biggest Sturgeon Ever Recorded?

    Q: What Was the Biggest Sturgeon Ever Recorded?

    A: "Field & Stream" says the 468-pound sturgeon caught by Joey Pallotta III is the biggest landed using a rod and reel. Some controversy surrounds the world record for biggest sturgeon, however, and other publications have reported larger catches.
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  • How Many Fish Are in the Sea?

    Q: How Many Fish Are in the Sea?

    A: While there is no way to know how many fish are in the sea, the number of fish species in the world's oceans, seas and other bodies of water is estimated to be between 27,300 and 32,000 total as of 2014. This number includes both freshwater and saltwater fish.
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  • Do Fish Have Hearts?

    Q: Do Fish Have Hearts?

    A: A fish has a heart, which acts as the center of its circulatory system, pumping blood throughout the body and transporting vital nutrients and oxygen to cells. The size, placement and strength of a fish's heart differs between species.
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  • What Fish Eat Shrimp?

    Q: What Fish Eat Shrimp?

    A: Most freshwater, tropical and marine aquarium fish eat shrimp, and many commercial foods contain dried shrimp and shrimp by-products. Many stores, including Petco and PetsMart, offer high-quality prepared fish foods such as freeze-dried shrimp treats and shrimp pellets that are designed to feed many species with just one food. Farmed fish eat commercial diets that include shrimp by-products, and carnivorous fish eat live shrimp, according to American Aquarium Products.
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