Fish

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Pond fish eat live or dried insects, worms, and grubs. Pond fish must be kept in a pond that has proper pH levels and proper air and water temperatures to ensure proper diet and eating habits.

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  • Are Both Jaws of a Fish Equally Movable?

    Q: Are Both Jaws of a Fish Equally Movable?

    A: In most fish, the lower jaw is far more flexible than the upper jaw. Many fish have fixed upper jaws formed from the bony plates that also form parts of their faces.
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  • What Is a Volitan Lionfish?

    Q: What Is a Volitan Lionfish?

    A: Volitan lionfish are venomous, semi-aggressive, carnivorous saltwater fish native to the Indo-Pacific region. The coloration of the Volitan lionfish varies depending on the maturity and age of the fish. They have large pectoral fins that spread out like a fan and tall, banded spines on their dorsal fins. Volitan lionfish are also known as red lionfish, common lionfish, butterfly cod and turkeyfish.
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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 Do Salmon Eat?

    Q: What Do Salmon Eat?

    A: It is common for salmon to feed on other fish and zooplankton. What a salmon eats varies greatly depending on the region.
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  • What Is a Mongrel Koi?

    Q: What Is a Mongrel Koi?

    A: Koi fish are really a type of carp. The term "mongrel koi" refers to koi fish which have somehow become inbred with other types of fish. Koi fish are popular for their colors and sleek appearance in fish ponds.
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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 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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  • Do Fish Have Brains?

    Q: Do Fish Have Brains?

    A: Fish have brains. According to LiveScience, in 2013, scientists were able to successfully produce images of the activity of a fish's brain as it watched its prey.
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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 Is the Difference Between Anchovies and Sardines?

    Q: What Is the Difference Between Anchovies and Sardines?

    A: Sardine is a generic term used to refer to small, silvery saltwater fish that are related to the herring and are found worldwide. Anchovy refers to a family of small fish found in the Mediterranean Sea, Black Sea and Atlantic and Pacific coasts.
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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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  • What Do Baby Catfish Eat?

    Q: What Do Baby Catfish Eat?

    A: Baby catfish in the fry stage eat the same foods that any other egglayer fry would eat. Egglayer fry eat the smallest foods that can be given, including infusoria, which is a culture of swimming protozoa. After a week, catfish fry can also eat nutritious brine shrimp and nematodes.
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  • How Do Fish Gills Work?

    Q: How Do Fish Gills Work?

    A: Fish gills act as the equivalent of a mammal's lungs by taking in oxygen and releasing carbon dioxide. Oxygen and carbon dioxide travel across small, thin-walled blood vessels in both lungs and gills. In terms of evolution, gills are significantly older than lungs.
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  • What Is a Firefish Goby?

    Q: What Is a Firefish Goby?

    A: The firefish goby is a 3-inch-long, yellow-headed aquarium fish with a white body and an orange-red tail. Firefish, fire dartfish and magnificent dartfish are other common names for the firefish goby.
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  • What Are Some Clownfish Enemies?

    Q: What Are Some Clownfish Enemies?

    A: Enemies of clownfish include eels, sharks and large fish. Humans are the biggest threat to clownfish, as people catch them for use in fish tanks and aquariums.
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  • What Is Included in a List of Fish Without Scales?

    Q: What Is Included in a List of Fish Without Scales?

    A: Fish that do not have scales include catfish, sharks, rays, chimaeras, skates, moray eels, sturgeons, paddlefishes, salifin blennies, combtooth blennies, hagfishes and lampreys. Many of these fish have evolved scale alternatives.
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  • How Heavy Was the Largest Flounder Ever Recorded?

    Q: How Heavy Was the Largest Flounder Ever Recorded?

    A: The heaviest flounder ever caught was 22 pounds, 7 ounces, landed in Montauk, N.Y., on Sept 15, 1975, by Charles Nappi. The species was a summer flounder, Platichthys flesus. This type of flounder ranges from South Carolina to Maine in the western Atlantic.
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  • Do Fish Die When Lightning Strikes the Water?

    Q: Do Fish Die When Lightning Strikes the Water?

    A: While fish near the surface may die when lightning strikes the water, the fish that are deep underwater are likely to survive. Lightning strikes the surface of the water, but its electricity is neutralized deeper down.
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  • Where Do Clownfish Live?

    Q: Where Do Clownfish Live?

    A: Clownfish, also called anemonefish, live in the warm waters of the Pacific and Indian Oceans, the Red Sea and the Great Barrier Reef. These fish have a symbiotic relationship with anemones, which are slow-moving invertebrate animals that look like flowering plants. Clownfish never venture far from their anemone partners.
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  • Where Do Puffer Fish Live?

    Q: Where Do Puffer Fish Live?

    A: According to National Geographic, puffer fish live in sub-tropical and tropical waters. In Asia, they are commonly found around Japan, China, Taiwan and the Philippines, while in the Caribbean, they are found in the West Indies and Mexico.
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