Fish

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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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  • 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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  • 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 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 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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  • 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 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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  • 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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  • 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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  • 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 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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  • 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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  • 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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  • 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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  • What are big-eyed goldfish?

    Q: What are big-eyed goldfish?

    A: Types of goldfish that have oversized eyes include bubble eyes, celestials, telescopes and black moors. A fifth type of large-eyed goldfish is the demekin, which is a cross between the telescope variety and the arch-bodied ryukin variety.
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  • How do you care for a lionfish?

    Q: How do you care for a lionfish?

    A: Lionfish vary in size according to their species, and they need saltwater habitats large enough to sustain them. Though they can be fed live feeder food at first, eventually they need fresh and frozen seafood. Care must be taken to choose tank mates that lionfish do not consume. It is important to avoid touching lionfish, as their venomous stings cause serious injuries.
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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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  • 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 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 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 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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  • 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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