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Fish

A fish is any aquatic vertebrate animal that is typically cold-blooded, covered with scales, and equipped with two sets of paired fins and several unpaired fins.

9,777 Questions

Why do fish lay many eggs?

because they are what's called 'broadcast spawners.' which means that the females lay lots of unfertilized eggs in the breeding ground, and the males swim over and discharge their semen into the water over the eggs. They need to do this because so many fry are eaten by predators. Many eggs help to assure that the generation will survive.
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What are some cool facts about fish?

  1. Sea turtles absorb a lot of salt from the sea water in which they live. They excrete excess salt from their eyes, so it often looks as though they're crying.
  2. Only one out of a thousand baby sea turtles survives after hatching.
  3. Prehistoric turtles may have weighed as much as 5,000 pounds.
  4. Turtles have no teeth.
  5. As it gets older the cockle just adds another layer to its outer shell. To work out their age you can count the rings on them just like a tree.
  6. A goldfish has a memory span of three seconds.
  7. A male Angler fish attaches itself to a female and never lets go. Their vascular systems unite and the male becomes entirely dependent on the female's blood for nutrition.
  8. Beavers can hold their breathe for 45 minutes under water.
  9. The sailfish is the fastest swimmer, reaching 109 km/h (68 mph).
  10. The slowest fish is the Sea Horse, which moves along at about 0.016 km/h (0.01 mph).
  11. The heart of a blue whale is the size of a small car.
  12. The tongue of a blue whale is as long as an elephant.
  13. The largest jellyfish ever caught measured 2,3 m (7'6") across the bell with a tentacle of 36 m (120 ft) long.
  14. Fish and insects do not have eyelids - their eyes are protected by a hardened lens.
  15. The stickleback is one of the few fishes that builds a nest. The male, in his red breeding colors, makes a nest of weeds where the female lays her eggs. Then the male stays by the nest to guard the eggs until they hatch.

What kind of fish has a browny colour and looks like a rock?

Stonefish. The fish looks like a stone and looks rather brown

Do fish have symmetry?

Most fish are symmetrical, which means if you divided them in half, each side would be the same. With fish, each side would have an eye, a pectoral fin, the same amount of body and half a tail.

What structures enable fish to breathe?

Fish have gills, which are specialized structures that extract oxygen from water as it flows over them. Gills are made up of thin filaments with a rich blood supply that allows for the exchange of oxygen and carbon dioxide. Fish use their gills to absorb oxygen from the water and release carbon dioxide.

How many types of porgy fish are there in the north Atlantic sea and the mediterrean sea?

There are several types of porgy fish found in the North Atlantic and Mediterranean seas, including the Red Porgy, Whitebone Porgy, Sheepshead Porgy, and Jolthead Porgy. These species vary in size, coloration, and distribution within their respective regions.

How long does a puffer fish live?

Puffer fish have a lifespan that typically ranges from 5 to 10 years in the wild, but they can live longer, up to 15-20 years, in captivity when given proper care.

What is the color of most schooling fish?

Most schooling fish tend to have colors of reds or blues with different patterns. Three common schools of fish are tetras, barbs and danios..

What does the coy fish mean?

The koi fish symbolizes perseverance, strength, and determination in many Eastern cultures, particularly in Japan. It is often associated with success and overcoming life's obstacles. Additionally, the number of koi fish in a design can also carry specific meanings.

How are some fish and other animals able to live in salt water?

Sea animals live in water because so they won't die

Littleuni: Because they have gills, with makes them unable to breathe on land. Also, they have no feet, just fins, which would make them unable to walk on land either so they would suffocate or get eaten if they lived on land.

What kind of fish is known for its red tail end and brilliant blue stripe?

The fish you're referring to is likely the rainbow fish. Rainbow fish are known for their vibrant colors, including a red tail end and a brilliant blue stripe along their body. They are popular in home aquariums for their striking appearance.

What does Coyfish mean?

It seems like there is a typo in your question. If you meant 'Coyfish,' it is possible that you are referring to a typo or a term that is not commonly known. Could you provide more context or clarify your question?

Which fish live in the River Severn?

The River Severn in the UK is home to a variety of fish species including salmon, trout, chub, barbel, perch, and eels. These fish thrive in the diverse habitats of the river, providing ample opportunities for anglers and wildlife enthusiasts.

What do fish need to survive?

Fish need clean water with the right temperature and oxygen levels, appropriate food, space to swim, and a suitable environment with places to hide and explore in order to survive. It's essential to ensure that their tank or habitat is well-maintained and their needs are met to ensure their health and well-being.

Where do lamprey live?

Lampreys are found in freshwater and coastal regions around the world, including North America, Europe, and Asia. They typically inhabit rivers, streams, and lakes where they can attach to larger fish to feed on their blood.

How do flying fish fly?

Flying fish have specially adapted pectoral fins that enable them to glide above the water's surface. They gain momentum by swimming quickly near the water's surface and then launch themselves into the air, using their fins to glide for up to hundreds of meters. This behavior helps them evade predators and travel long distances.

How did the puffer fish get its name?

The puffer fish got its name from its behavior of inflating its body with water or air when threatened, making it appear larger and spikier, like a "puffed-up" balloon. This defensive mechanism serves to deter predators.

How do fish adapt to their environment?

Fish adapt to their environment by having a streamline body to cut through the water, they have gills to help them breathe under water and some fish even use camouflage to disguise themselves underwater.
they have nice slim bodies to dart around in the water and they have gills to help them breath in the water they also have little pads behind their fins to protect them from flying bits of rock because that's the only place were they don't have gills

How do you tell the difference between a female sea monkey and a male sea monkey?

An adult male gorilla has silver hair along his back. That is why adult male gorillas are called silverbacks. A female gorilla, on the other hand, does not have silver hair along her back. Young male gorillas younger than twelve years of age are called blackbacks. A twelve-year-old male gorilla is a young silverback gorilla.

If the larger fish has a mass of 5 kg and swims 1 meter per second toward a 1 kg fish what is the velocity of the larger fish immediately after lunch you will neglect the effects of water resistance?

By conservation of momentum, the total momentum before the lunch equals the total momentum after the lunch. Initially, the total momentum is 5 kg * 1 m/s = 5 kg·m/s, as the smaller fish is initially at rest. After the lunch, since momentum is conserved, the larger fish will have a velocity of 0.2 m/s (5 kg·m/s / (5 kg + 1 kg)).

How long can fish live in a bag?

Usually the bag water temperature will match the tank water temperature within a half hour to an hour, depending how large the fish bag is. Fish stores usually put enough air in the bag for it survive for several hours.

A good way to release the fish into the tank is to slowly mix the tank water in with the bag water to allow the fish to adjust to any pH difference. Be gentle and ease the fish into the tank. The less stress on the fish the better chances it will survive.

What is an Angler fish's economic importance?

Angler fish have limited economic importance, primarily in the realm of scientific research and Eco-tourism due to their unique appearance and behaviors. They are not targeted by commercial fisheries for human consumption due to low market demand and their deep-sea habitat making it logistically difficult to harvest them in large numbers.

How much does one sinarapan weigh?

A sinarapan, which is considered the smallest commercially harvested fish in the world, typically weighs less than a gram. They are so tiny that it would take a substantial number of them to make up just one gram.

What does scale look like?

On a scale, you typically see a surface with markings that measure weight or mass. The scale may have a dial or digital display that shows the exact measurement. Items are placed on the scale to determine their weight.