Fish

A:

The names for young salmon are alevin, parr and smolt, fingerlings or fry. Alevins are what salmon are called when they're first hatched. As they grow they're called parrs, and when it's time for them to leave their natal waters to head out to sea, they're called smolts.

See Full Answer
Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • How long does a fish stay pregnant?

    Q: How long does a fish stay pregnant?

    A: The length of pregnancy in a fish varies greatly depending on the species of fish. The length of pregnancy, or gestation period, can vary from as little as three weeks to ten months.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • What are some compatible fish for guppies?

    Q: What are some compatible fish for guppies?

    A: While guppies do not bother other fish, selecting appropriate species to share their tank involves choosing types that don't bother them, such as small cichlids. Although larger cichlids are sometimes aggressive, rams and kribs are available in several colors and generally do not bother other fish in the tank.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • What is a green puffer fish?

    Q: What is a green puffer fish?

    A: The green spotted puffer, Tetraodon nigroviridis, is a colorful species of the Tetraodontidae family native to South and southeast Asia. The fish is named for its rich green coloration at the top with dark spots and white underbelly.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:
  • 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.
    See Full Answer
    Filed Under:

Explore Marine Life