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Freshwater Fish

Freshwater fish spends all or some of their lives in freshwater like lakes and rivers, with below 0.05% salinity. This fish needs various physiological adaptations to keep their bodies’ ion concentration balanced. Freshwater fishes comprise 41% of known fish species.

2,132 Questions

How have seaweed and lilies adapted to freshwater biomes?

Seaweeds have adapted to freshwater biomes by forming attachment structures like holdfasts to anchor themselves to rocks or other substrates, allowing them to thrive in flowing water. Lilies have adapted to freshwater biomes by developing specialized roots that absorb nutrients from the water and support the plant in aquatic environments. Both seaweeds and lilies have evolved to regulate osmotic balance to survive in freshwater habitats.

What is better river or pond fishing?

Both river and pond fishing have their own advantages. River fishing typically offers a greater variety of fish species and tends to be more challenging due to the current and water flow. Pond fishing is usually more predictable and calmer, making it a good option for beginners or those looking for a more relaxed fishing experience. Ultimately, the choice between the two depends on personal preference and the type of fishing experience you are looking for.

How can fish survive in lakes even in extreme winter conditions?

Fish basicly hibrenate, or slow their matabolism in order to take in less oxygen for the water. Slowing down their heartbeat, and doing less vigorous activities help it conserve it's body energy. Therefore they are able to survive the time alotted in winter...

What is a mosquitofish?

A freshwater animal that preys upon mosquito larvae is what a mosquitofish is. The fish in question (Gambusia spp) will be found natively in the United States of America (and also Mexico in terms of the western species).

Fish survive through severe winters because of the property of water that allows water to?

Fish survive through severe winters because of the property of water that allows it to freeze from the top down. This means that even if the surface of the water freezes, the layer at the bottom stays liquid, providing a habitat for fish to survive. Additionally, fish can adjust their metabolism and hibernate to conserve energy during cold winters.

How do freshwater planarian react in salt water?

Freshwater planarians are sensitive to changes in salinity, and exposure to saltwater can be harmful to them. They would likely exhibit signs of stress, such as altered movement patterns, increased mucus production, and potential damage to their tissues. Prolonged exposure to saltwater can be detrimental to their survival.

How much of the worlds water is freshwater?

Only 3% of the water in the world is freshwater. 2/3 of this water is frozen in glaciers and most of the rest is usually underground.

Only 0.3% of this water is found on the surface, and 7/8 of this water is found in the Great Lakes of North America and in Lake Baikal in Russia.

At any given time about 0.04% of the fresh water can be found in the atmosphere as water vapor.

Where do northern pike live?

Northern pike are found in freshwater lakes, rivers, and streams across North America, Europe, and parts of Asia. They prefer clear, weedy waters with slow currents where they can ambush their prey. Northern pike can also tolerate a wide range of water temperatures and can be found in both cold and warm waters.

What is a trout's misfortune?

A trout's misfortune could be related to habitat destruction, pollution, overfishing, or climate change impacting their survival. These factors can disrupt their natural behaviors, reproduction, and overall health, leading to declines in trout populations in certain areas.

Do koi eat minnows?

Yes, koi are omnivorous and may eat small fish like minnows if given the opportunity. However, in a well-fed koi pond with ample food, they are less likely to hunt for minnows. It is always best to provide a balanced diet for koi to prevent them from preying on other fish in the pond.

Is a steelhead trout aherbivore or a carnivore?

A steel head trout is almost just like a small mouth bass it eats anything in its path so basicaly it's considered a carnivore. Ever heard of a plant being used for bait no so all bait or lures have to represent a a living creature.

Who composed the trout?

Franz Schubert composed "The Trout," which is the fourth movement of his Piano Quintet in A major, D. 667. It is a famous chamber music piece that features variations on Schubert's earlier Lied "Die Forelle" (The Trout).

How many calories smoked trout have?

A typical 3-ounce serving of smoked trout contains around 150-200 calories, but the precise amount may vary depending on the specific brand or preparation method.

Which state of water allows fish to remain in a lake when winter temperatures are below 0?

I think you are probably talking about the fact that frozen water (ice) is less dense than liquid water, so freezing temperatures will enable the ice to form on top of the waterbody, but still allowing liquid water underneath so fish can survive. Also, ice is usually translucent, so it can still penetrate the ice, allowing algae to continue to photosynthesize, providing oxygen for the fish below.

Is a bluegill a consumer or a carnivore?

A bluegill is a consumer, specifically classified as an omnivorous fish. It feeds on both plants and small aquatic animals like insects and crustaceans, making it a consumer within the aquatic food chain.

What organism has many fins?

Fish typically have many fins - including dorsal, pectoral, pelvic, anal, and caudal fins - to help them navigate and control their movement in water. They use their fins to stabilize themselves, steer, and propel through the water.

How many pairs of gills does a trout have?

idk but u gotta go to boobies.com its awsome and gets ur pants wet

How does a trout take in oxygen?

Trout absorb oxygen through their gills by extracting oxygen from the water as it flows over the gill filaments. This process allows the trout to extract dissolved oxygen from the water and release carbon dioxide back into the environment.

How do fish find their way to a pond that is not near a river or lake?

# They are a walking catfish. # Somebody moved them. # They are a couple of unwanted pets. # They happened to be stuck to a boat (shellfish) and then got scraped off in the pond. # Sombody found a stranded fish and put it into the pond. Fish eggs and fry can also adhere to water birds and be 'flown in'.

What are facts about the Lungfish?

Lungfish are a type of fish that live in Africa in rivers. They have lungs which they use to breathe. If the river that they live in dries up, they will form a cocoon of mucus and (I think) dirt, which they will stay in until it it rains again and the river fills back up with water, which may take three or four years.

Can you catch bluegill in the winter?

Bluegill tend to be less active during the winter months, but they can still be caught using specific techniques such as ice fishing or fishing in deeper waters where they may be congregated to stay warm. Using smaller baits and fishing more slowly in their preferred habitats can also increase your chances of catching bluegill during the winter.

Will trout be spawning when raccoons attack trout?

Raccoons are known to prey on trout, especially during spawning seasons when the fish are more vulnerable. The disturbance caused by raccoons can disrupt the spawning process and impact the trout population in the area.

Do trout see well?

'Sight' is arguably the greatest sense that trout have. Trout can see exceptionally well and it is this reason that fly fishermen have to go to the greatest lengths to ensure they don't 'spook' or scare trout while fly fishing. A trout that sees a fisherman on the side of the bank will more than likely move into deeper, safer water where they can sit and feel safe from the 'foreign object' that they've seen moving. In clear water conditions, trout can seel nylon in the water and will often be put off taking the artificial fly if they notice the nylon. It is for that reason that fly fishermen spend moe money on fluro-carbon (a special type of nylon) that is much harder to visually detect in the water. For more information on fly fishing, visit: http://www.startflyfishingnow.com

What are some behavoiral facts about the trout?

Trout are known for their voracious appetite, feeding on insects, crustaceans, and smaller fish. They are also very territorial, defending their feeding and spawning areas from other fish. Trout exhibit migratory behaviors, moving between different habitats throughout their life cycle. Additionally, trout are known for their ability to adapt to various environmental conditions, making them a popular species for stocking in rivers and lakes.

What is a par trout?

There is no such thing as a "par trout." It may be a misspelling or confusion with another term. Trout are freshwater fish belonging to the Salmonidae family and are popular among anglers for their prized flesh.