Fish

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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  • 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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  • 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 is a good name for a betta fish?

    Q: What is a good name for a betta fish?

    A: Bubbles, Dory, Atlantis, Bob, Calypso and Husker are a good name for Betta fish. Funny, cute or creative names make appealing name choices for these aquatic pets.
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  • What are the betta fish's hunting behaviors?

    Q: What are the betta fish's hunting behaviors?

    A: Betta fish approach their prey while swimming sideways. Betta fish are primarily carnivorous surface feeders that consume zooplankton, crustaceans, the larvae of mosquitoes and other water-bound insects.
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  • What is a leopard puffer fish?

    Q: What is a leopard puffer fish?

    A: The leopard puffer is a marine reef fish that has been introduced as an aquarium fish. It is about 3 inches long and covered with black spots. It also has blue-and-yellow stripes.
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  • How do fish breathe under water?

    Q: How do fish breathe under water?

    A: Fish use their gills to breathe by extracting oxygen from the surrounding water. The oxygen that fish and other animals with gills use is bonded to hydrogen molecules and is dissolved in the water. Water molecules are composed of two parts hydrogen and one part oxygen.
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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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  • How do I care for guppies?

    Q: How do I care for guppies?

    A: Guppies add life and color to a home aquarium, but they require special care to ensure their longevity. Caring for guppies requires a tank, a lighting unit, an air pump, a filtration unit, a siphon vacuum, water and fish food.
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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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  • 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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  • What is an Emperor tetra?

    Q: What is an Emperor tetra?

    A: The emperor tetra is a fish of the Characidae family that's native to South America. The species is black, purple and silver in color with translucent fins that reach about 1.5 inches in length.
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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 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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  • Do salmon have scales?

    Q: Do salmon have scales?

    A: Salmon do have scales, and the scales have concentric rings that can be counted to determine the age of the fish. Salmon scales and skin do not have to be removed before cooking, which makes preparation easy.
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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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  • 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 do pond fish eat?

    Q: What do pond fish eat?

    A: 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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  • 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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  • 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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  • 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 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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