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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 clown fish live in anemones?

Clown fish live in anemones because they have a symbiotic relationship - the anemone provides protection for the clown fish from predators, while the clown fish helps to attract prey for the anemone to eat. Additionally, the clown fish's mucus coat protects them from the stinging cells of the anemone.

Why does your fish float at the top but is still alive?

A fish floating at the surface could be due to swim bladder issues, which can disrupt their ability to regulate buoyancy. It might struggle to swim down due to this issue but still be alive. A vet visit could help diagnose and treat the problem.

What are adaptations of small fish?

Adaptation

Purpose

Examples

Mouth

  • Terminal (at the end of the snout)

Feeds throughout the water

Walleye, sauger, northern pike

  • Under the snout/longer upper jaw

Feeds on prey it sees below it; usually feeds off the lake or river bottom

Bullhead, whitefish, carp,sucker

  • Angled upward/longer lower jaw

Feeds on prey it sees above it; small fish, or aquatic insects, often at surface of water

Goldeye, rock bass, smallmouth bass, tullibee

  • Ventral (under the head)

Feeds off the bottom

Sturgeon

  • Sucker-shaped

"Vacuums" up food off the bottom; eats aquatic insects, vegetation

Sucker, sturgeon

  • Strong jaws and well-developed teeth

Feeds on other fish

Northern pike, walleye

  • With barbels

Feeds off the bottom; Can sense food in murky water

Catfish, bullhead, stonecat, sturgeon

Eyes

  • Large

Feeds by sight

Walleye, perch, goldeye, bass

  • Small

Likely feeds off the bottom and relies on barbels to detect food

Catfish, bullhead, stonecat, sturgeon

Spines

For protection or to stiffen fins for swimming

Catfish, bullhead, stonecat, perch, walleye, bass, sturgeon

Body Shape

  • Rounder, flat bellied

Feeds off or rests on the bottom; less conspicuous to predators

Sucker, catfish, sturgeon

  • Oval, fairly long

Prefers more open water or a few weeds

Walleye

  • Oval, very long, eel-like

Fast-moving in quick bursts; Agile around rocks and weeds

Northern pike, burbot

  • Thin, shorter, disc-shaped

Agile around rocks/weeds; round shape harder for predators to swallow

Bass, perch

  • Torpedo-shaped

Stream-lined for high speed or swimming in currents

Brook trout, rainbow trout, arctic char

Scales

  • Large

Used for protection; speed not needed to catch food

Carp, sucker

  • Small or non-existent

Fish more streamlined and fast-moving to catch prey

Northern pike, catfish, burbot

Colouration

  • Fairly uniform, no markings

Swims in open water

Walleye, goldeye

  • Stripes

Hides in weeds for protection or to ambush prey

Perch, smallmouth bass, rock bass

  • Mottled

Hides in rocks or on bottom

Northern pike, young sturgeon

  • Dark on top

Less visible to predators above it

Catfish, sturgeon, carp

  • Light coloured belly

Less visible to predators below it

Perch, walleye, sturgeon, sucker, catfish

What is hapuka?

Hapuka is a type of fish found in New Zealand waters, known for its firm flesh and delicate flavor. It is popular in seafood dishes and is often praised for its versatility in cooking, as it can be baked, grilled, or fried.

What fish are eaten by the queen tiger fish and eat kelp too?

Queen tiger fish primarily eat other fish in their natural habitat, such as smaller species of fish and crustaceans. While they are not typically known to eat kelp, they may inadvertently consume kelp if it is mixed in with their prey or surrounding environment.

Bathyal zone animals?

The bathyal zone is a marine ecologic realm that is deep below sea level and is in permanent darkness. The animals that live there are carnivorous because there is no primary production of plants. Eels, squid, crustaceans, some fish, large whales, sponges, octopuses, and sea stars live in this deep sea area.

What is leukocycle?

"Leukocycle" is not a recognized term in biology or medicine. It may be a misspelling or a misunderstanding of a term. Can you provide more context or information to clarify?

How do land animals and underwater animals get air?

Animals living in land are called terrestrial animals .All terrestrial animals breathe through their nostrils.but they respire through their lungs.aquatic animals such as fishes breathe through their gills.Gills a re the projections from their skin,they are themselves well supplied with oxygen.Amphibians such as frogs crocodiles crabs etc can live in both land and water.they do have lungs to breathe in land but in water, they breathe through their skin.insects like grass hoppers cockroaches etc. breathe through spiracles.Spiracles are just like our nostrils.they are holes by which they exchange gases.{oxygen and carbon dioxide}.But originally insects respire through trachea.The earth worms are insects that only breathe through their skin.Their skin are slimy and watery so gases can easily pass through them.

improvements

crocodiles and crabs are not amphibia

gills are not projection from skin in all aquatic animals

nostrils and spiracles are part of respiratory system not a separate thing.

How many types of whitebait are there?

There are typically five main types of whitebait: common smelt, whitebait smelt, ghost smelt, capelin, and paddlefish. These fish are small and often found in schools in coastal waters. They are popular for their mild flavor and are commonly used in seafood dishes.

Holly has 25 fish in her aquarium Tommy has one fifth of the fish Holly has?

Tommy has 5 fish in his aquarium since he has one-fifth of the fish Holly has.

What is Brine cured salmon called?

Brine cured salmon is commonly known as "gravlax" or "lox". It is a type of cured salmon that is seasoned with salt, sugar, and often dill, and then refrigerated for a few days to let the flavors develop before being thinly sliced and served.

What can you feed a sea monkeys?

You can feed sea monkeys specially formulated packets of food that typically come with the kit when you purchase them. It usually contains yeast, spirulina, and other nutrients they need to thrive. Just sprinkle a small amount daily into their habitat for them to feed on.

How much does a paradise fish cost?

This will most certainly depend on where you live, and the availability of the fish. It can be as low as $3, or even higher.

What is name of crystal of snow a piece of chipped stone tool and the rack for drying fish?

The name of a snow crystal is snowflake, a piece of chipped-stone tool is a flake, and the rack for drying fish is called a fish rack.

Strings attached to AV cusps?

Strings or chordae tendineae are attached to the atrioventricular (AV) valve cusps within the heart. These structures help to anchor the valve leaflets in place and prevent them from prolapsing back into the atria during ventricular contraction. Dysfunction of the chordae tendineae can lead to regurgitation of blood flow across the valves.

What is drawn fish?

If you mean drown then no, fish have gills that extract oxygen from the water as it passes Through their gills but they suffocate when the flow of water stops passing through the gills or there is a lack of oxygen in the water or when brought out of the water

Do Cream dory fish have scales?

{| ! height="20" bgcolor="#E8F3FF" | Species:

| Pangasius Hypophthalmus

! height="20" bgcolor="#E8F3FF" |

|

NO THEY DONT HAVE SCALES, THE CREAM DORY IS A SCALELESS FRESH WATER TYPE OF ViIETNAMESE CATFISH. |}

What happens when you run out of sea monkey food?

If sea monkeys are deprived of food for an extended period, they will likely die. It's important to provide them with a balanced diet to ensure their health and longevity. If you run out of sea monkey food, you can try to supplement with small amounts of powdered spirulina or crushed fish flakes as a temporary solution until you can get more proper food for them.

What is cavieare?

Caviar is a delicacy consisting of salt-cured fish eggs, typically from sturgeon. It is considered a luxury food item and is often served as an appetizer or garnish. Its taste can vary depending on the type and quality of caviar.

Can a fish change its density?

Yes, some fish have the ability to change their density by adjusting the gas content in their swim bladder. By regulating the amount of gas in the swim bladder, fish can control their buoyancy and move to different depths in the water column.

Game-fish including perch and grouper?

Perch and grouper are both popular game fish prized for their fighting abilities and taste. Perch are known for their aggressive behavior and can be caught in freshwater lakes, while grouper are powerful saltwater predators found near reefs and ledges. Both species provide exciting opportunities for anglers seeking a challenging and rewarding fishing experience.

Sensory Capabilities and adaptations of a Perch?

Perches have well-developed vision, allowing them to detect predators and prey in varying light conditions. They also have a keen sense of hearing to detect vibrations in the water, helping them locate prey. Additionally, perches have specialized sensory organs called lateral lines that detect changes in water pressure, assisting in navigation and detection of nearby objects.

What eats a sword fish?

Swordfish are apex predators and are not commonly preyed upon by other animals. However, they may be targeted by larger predatory sharks, such as great white sharks. Juvenile swordfish may also be consumed by other large fish or marine mammals.