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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  • 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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  • How are fish adapted to water?

    Q: How are fish adapted to water?

    A: Fish have adapted to their environment through the evolution of gills, swim bladders and fins. Gills allow fish to absorb oxygen from the water, swim bladders allow fish to maintain an appropriate level of buoyancy and fins allow the fish to move through the water. Different species exhibit specializations of these features to thrive in their own way.
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  • Where is a dolphin situated in the food chain?

    Q: Where is a dolphin situated in the food chain?

    A: All types of dolphins are situated very high in their respective food chains, and they are generally considered apex predators. Indeed, the only regular predators dolphins and their calves have in the wild are sharks and, in some places, humans.
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  • What is the scientific name for a dolphin?

    Q: What is the scientific name for a dolphin?

    A: The dolphin is of the species Odontocete and family Delphinidae. Their species is the same as that of toothed whales. The orca whale is also a member of the dolphin family.
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  • What do red snapper eat?

    Q: What do red snapper eat?

    A: Red snapper are mostly carnivores, although they do consume a few tiny plants. They mainly eat other fish, crustaceans and shrimp.
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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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  • 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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  • 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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  • What is the most poisonous fish in the world?

    Q: What is the most poisonous fish in the world?

    A: Reef stonefish are the most poisonous fish in the world. Stonefish live in warm, tropical waters, primarily in the Oceanic region of Australia and New Zealand. They have 13 long spines in their dorsal fins that are filled with highly toxic venom, which the stonefish use to kill prey.
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  • Do betta fish like light?

    Q: Do betta fish like light?

    A: Betta fish, also known as Japanese fighting fish, prefer regular periods of light and darkness. This ensures that the fish have a normal sleeping pattern.
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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 all fish lay eggs?

    Q: Do all fish lay eggs?

    A: While many fish species are oviparous, not all are; some fish species are ovoviviparous, meaning that eggs are gestated and hatched inside of the female fish's body and fish fry (babies) are born live. These live-birthing fish are commonly known as livebearers.
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  • What do river fish eat?

    Q: What do river fish eat?

    A: River fish eat crustaceans such as crabs and mollusks. Large river fish such as gar eat other fish. Trout eat smaller fish but also eat insects such as dragonflies, mayflies and caddisflies. They also sometimes feed on zooplankton, which are tiny animals that are swept along by the river's current.
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  • What do small fish eat?

    Q: What do small fish eat?

    A: Small freshwater fish typically eat vegetation, insects, larvae, leeches, shrimp and dead or decaying matter, and small saltwater fish, called forage or feed fish, eat plankton. The tiny American herring eats small and larval shrimp as do both Atlantic and Pacific cod.
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  • What are baby fish called?

    Q: What are baby fish called?

    A: Baby fish are initially called larvae, then fry and finally fingerlings before they mature into adult fish. Larvae are totally dependent on their yolk sac, while fry are able to feed themselves. Fingerlings have functional fins and scales that are comparable to adult fish anatomy, unlike fry.
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  • How many fish years equal one human year?

    Q: How many fish years equal one human year?

    A: One year in a goldfish's life is equal to five human years, which means one-fifth of a fish year equals one human year. The average lifespan of the common goldfish is 15 years, while exotic goldfish species may live for only eight to 10 years.
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  • How many fish can I put in my three-gallon aquarium?

    Q: How many fish can I put in my three-gallon aquarium?

    A: A three-gallon aquarium can support three 1-inch fish. The basic rule of thumb when adding fish to an aquarium is that each 1-inch fish needs one gallon of water to give it plenty of room to swim and grow.
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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 tomato clownfish?

    Q: What is a tomato clownfish?

    A: The Tomato Clownfish is a member of a group of five anemonefish known as the Tomato complex. The Tomato Clownfish is one of the largest members of the complex with females growing to be over five inches in length. On average, females are roughly half an inch longer than males.
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  • What is a dwarf lionfish?

    Q: What is a dwarf lionfish?

    A: The fuzzy dwarf lionfish is a species of the Scorpaenidae family native to the waters of Africa and Indonesia. A popular aquarium fish, it bears red, white and black vertical stripes and is named for the fullness of its tall, quill-like dorsal fins and fan-like pectoral fins.
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  • Why do fish swim in schools?

    Q: Why do fish swim in schools?

    A: According to North Carolina Aquariums, fish swim in schools because schooling protects them from predators, encourages reproduction and makes it easier to find food. Schooling also conserves energy, as each fish drafts in the wake of the fish ahead of him. This makes it easier for fish to swim long distances without exhaustion.
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