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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

What do aligaters eat if there's no fish in the lake?

Alligators don't usually eat fish, they eat small animals that come to drink from the water's edge. They lay mostly or totally submerged in the water near the edge and wait for an animal to get close. Once the animal is close enough, the alligator charges out of the water, grabs the animal before it can flee, and drags it under to drown and eat it.

Alligators will take anything from birds to deer as prey items. Fish are not a staple part of their diets. Their hunting technique is a big part of why people get bitten by alligators and crocodiles. The water looks safe, but it sure isn't!

Do mudskippers have gills?

I am not sure if they sleep or not. I've surfed the internet on it and no one knows, I guess. I did find out though that they breath through gills in water and adapt to breathing air on land, so if you get one I suggest you fill the tank with half water and half soil.

How many fish can a 55 gal fish tank hold?

Calculating how many fish is often decided by what is called the 1 inch per gallon rule i.e. you could have 55 fish of 1 inch long fully mature. However there are many variables inlcuding filtration, surface area of tank, the species you get and how messy that species is. The best way to decide is to discuss it with a aquarium store owner (not large stores such as pets@home etc as they have terrible knowledge of species and fishkeeping in general.

What covers a pudu body?

The pudu, the world's smallest species of deer, typically has a reddish-brown to dark brown coat that helps them blend in with their forest surroundings. They may also have some white markings on their throat and belly. Their fur is dense and soft, providing insulation in their cold, damp habitats.

What are some adaptations fish in cold environments use to survive?

Fish that lived in cold water used an Antifreeze protein in their blood that prevent it from freezing. The antifreeze protein prevents that the blood that freezes stops the circulatory system and proteins and oxygen can no longer be in the cells and the fish would be death.

Is a Tubeworm a fish?

No, a tube worm is an invertebrate, whereas a true fish is a vertebrate.

Why do mackerel swim all the time?

Mackerel are constantly swimming to maintain their position in the water column and to ensure a continuous flow of oxygen over their gills. This helps them to extract oxygen from the water for respiration and to stay alert and ready to catch prey or avoid predators.

Which cabinet department is responsible for the protection of your fish and wildlife diversity?

The U.S. Department of the Interior is primarily responsible for the protection and management of fish and wildlife diversity through agencies such as the U.S. Fish and Wildlife Service and the National Park Service.

Is the position of the pectoral fin lateral in sharks and ventral in bony fish?

The pectoral fins in both sharks and body fish are Lateral, which refers to them being located on the sides. Ventral would mean that the fins are on the bottom of the fish, which is not true.

What do rabbit fish eat?

Rabbit fish are herbivores and primarily feed on algae, seaweed, and other plant matter. They graze on surfaces using their specialized teeth to scrape off algae. In a home aquarium, their diet can be supplemented with algae wafers and blanched vegetables.

Does it hurt when a fish gets a hook in it's mouth?

Yes, it can be painful for a fish to get a hook in its mouth. The hook can cause injury and distress to the fish, and if not handled properly, it can result in further harm or stress to the fish. Anglers strive to minimize harm by using barbless hooks and practicing proper catch-and-release techniques.

What is the significance of morphometric and meristic measurements in fishes?

Morphometric measurements in fishes provide quantitative data on the physical proportions and shape of different body parts, which can be used to characterize species, study growth patterns, and identify evolutionary relationships. Meristic measurements involve counting the number of specific features, such as fin rays or scales, which can also aid in species identification and population studies. Together, these measurements help scientists better understand the biology, ecology, and evolution of fish species.

How can I tell if my Oscar fish pregnant?

Female Oscar fish will appear rounder in the belly area if they are pregnant. Look for a more pronounced bulge near the anal vent. Additionally, the female may exhibit changes in behavior such as increased aggression or territoriality.

Where are a yabbies gills?

They are located on the sides of the yabby's body, under their cephalothorax (the large shell part that makes up the most of their body). Yabbies can clamp their gill openings shut so they can survive for a while out of water.

Can fish live in sea sponges?

I'm not gonna try to amaze you with scientific words and theories; I'll just state the truth and nothing else. FISH CAN LIVE IN SEA SPONGES. THANK YOU THAT IS ALL. heheh I kinda made it sound weird but it's true. ^-^'

Is a lionfish a fish?

Aside from instances of larger lionfish individuals engaging in cannibalism on smaller individuals, adult lionfish have few identified natural predators. This is likely due to the effectiveness of their venomous spines. Moray eels (family Muraenidae), bluespotted cornetfish (Fistularia commersonii) and large groupers, like the tiger grouper (Mycteroperca tigris) and Nassau grouper (Epinephelus striatus), have been observed preying on lionfish. It remains unknown, however, as to how commonly these predators prey on lionfish. Sharks are also believed to be capable of preying on lionfish with no ill-effects from its spines.

How much fish are fished every day?

You know how much fresh water is left?

I do.

1% or less.

A skin problem name fish?

The skin condition you may be referring to is "ichthyosis," a genetic disorder that causes dry, thickened, scaly skin. It can vary in severity, with symptoms such as excessive scaling and dryness. Treatment usually involves moisturizing creams and gentle exfoliation to improve skin texture.

Can fish eat maggots?

Yes, some fish can eat maggots as they are a good source of protein. However, it is important to ensure that the maggots are from a clean source and free from any harmful chemicals or bacteria as this could potentially harm the fish.

How many eggs can a clown fish have?

Clownfish typically lay 100-1000 eggs in a single clutch, with an average of around 400-500 eggs per spawning event.

How long can a fish live for?

The lifespan of a fish can vary greatly depending on the species. Some fish may only live for a few years, while others can live for several decades. For example, goldfish typically live for 10-15 years, while koi fish can live for 25-35 years or even longer.

Do Betta fish eat roots of plants?

If you have a huge tank than yes but if you have a 1/2 galon bowl I would say no. No, it is not necessary, but it is a nice thing to have. Live aquarium plants will reduce the amount of nitrates in the water, leaving it cleaner and making your betta happier. Also, the bettas like to rest on the leaves and play in the plant. Even bettas in a small bowl will appreciate the luxury of a plant- they can hide behind it, and find shade if it is too light. Bettas will NOT eat a plant- they are carnivorous and subsist on betta bites, brine shrimp, bloodworms, etc. I suggest easy to grow plants such as java fern, java moss, elodea (aka anarchis) for the bowl. Java fern will survive in low light so that may be the best for you. However, I have elodea in my fishbowl and it's doing beautifully. It also depletes the water of nutrients so that algae will not grow. If you use a plastic plant, make sure it is not sharp so it cannot hurt the betta.

Are fish renewable resource?

Fish are renewable, since they live on renewable foods and reproduce by natural means.

Whether something is renewable or not depends on the difference between how fast it is removed and how fast it is replaced.

Living things reproduce themselves, and some can do it faster than others. Flies and rabbits breed quickly, while oak trees and whales breed slowly. If you wanted to get rid of all the flies in the world, you'd have to work very fast to kill as many as you could as quickly as you could, because otherwise the remaining flies would soon repopulate the world and you'd have to start again. But if you wanted to get rid of all the oak trees, you wouldn't have to work nearly as fast. It takes a very long time for an acorn to grow into an adult tree, and provided you work faster than that, you can remove all oak trees faster than they can reproduce and replace themselves.

So the question about fish is really a question about how fast the population can replace the fish that we remove from the sea. If we remove one or other species of fish faster than it can reproduce, it is not a renewable resource. If we remove them at a rate that the population can replace, it is a renewable resource.

In other words, if we are careful, considerate and conservative, fish are a renewable resource. If we are greedy, and take them from the sea too quickly, then they are not renewable.