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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
Do male molly fish chase and harass females?
Provided your tank is large enough for the amount of fish you have, it will be normal play chasey behaviour. If you are not following the rules below, the female will be wanting the male removed (Or dead) because she needs the extra space (water) for her young when she releases them. The basic rules are. 1 inch of fish needs at least 1 gallon of water (a Molly is about a 4 inch fish) Every tank must have a permanently running cycled filter. Every tank needs at least 50% of its water replaced every week.
Why can't my betta fish swim to the surface?
If cared for properly, they should die of old age, but typically, the most common cause of fish death in captivity is a water quality issue due to toxins that are too high.
They can die of one of the many, many betta diseases there are out there, or just of old age. If your fish is suffering badly, just put him/her in a plastic box with water and keep them in the fridge, they will freeze slowly and experience no pain what so ever. They live longer if kept in tanks, usually 7 years (Though eight years is not un-common) but, if kept in bowls- even though they will be just as happy- they will live 1-3 years.
By my own understanding when a fish breathes in oxygen through the gills from the water it goes into its lungs, just like a human respiratory system.
So surely if a fish dies it will still have air inside of it. Air as we know is less dense compared with water and anything filled with air in water; tends to rise.
If the lungs are on he under side of a fish surely this would make the fish tend to roll onto its back and be 'upside-down'
Where do salmon go after they spawn?
After spawning salmon deteriorate rapidly as their bodies have lost a lot of corticosteroids during spawning.This is called programmed aging. Most adult salmon die in the streams they were born in.
Follow the fairly simple instructions: keep the tank near a window (they like it when a little algae develops), aerate the water often, and feed them sparingly, using the food that comes with them. Not much more to it.
Ye haddock does have scales. It is very similar to a cod although haddock is smaller , as is the mouth, not reaching as far back as the cods mouth.
Most fish foods contain fish meal as a protein source. Many fish in the wild eat small insects or small fish as their protein source, so it mimics most closely the protein they would get in the wild.
in a tank as big as it. you'll need to check up that on google or someplace like that for the open the oacen
AF
No, the other way around.
Hake is a salt-water - and coastal - fish.
Haddock is also salt-water = but more oceanic.
They are related, but different. Haddock is sometimes known as 'offshore hake'.
Yes, but depends on the species, just like it does in salt water fish. Just because you can't see a fishes teeth doesnt mean it doesnt have any. Many fish have what are called phyringial teeth, which means they are set further back in their mouths/throat. Carp are a good example of a fish having this sort of dental arrangement. Good examples of freshwater fish with prominent teeth are piranah's, gar, pike etc!
Fish actually breath in water. Some species have an air bladder along with gills so they can float in the water. Usually slim species have no air bladder and fatter species have an air bladder.
What was the largest fish that ever lived?
The biggest fish was the Leedsicthys, about the size of a baleen whale.
Where on the food chain is the lion fish?
Any animal that eats fish (eg. a bear) will eat it. so the food chain kind of goes like this:
sea water plants>lion fish>bear>wolves>huamns
Why do your fish use their mouth to move the gravel at the bottom?
It covers the reflective surface of the glass base so the fish can orientate themselves more easily. It looks more natural so is more pleasing to the average eye. If deep enough, it provides an anchoring for plant roots.
Gravel is also an important place for beneficial bacteria in the tank to live. Beneficial bacteria help keep your tank clean by naturally filtering fish waste and food particles.
Is a puffer fish a predator or prey?
Mainly a predator, except to the tiger shark. Then It would be prey
What fish can live with fighter fish?
Provided your container (aquarium) is large enough to house more fish using the 1 inch of fish per gallon of water rule, then most of the smaller tropical fish species are suitable. Siamese fighting fish (Betta splendens) will not fight with anything other than another of the same species.
They also fight other fish with long flowing tails, the females on the other hand have a bigger choice they can be with other female bettas.
Fish keep water moving over their gills?
Gills are to let the fish 'breathe' underwater, I don't think they help them swim though...
Answer Coming Soon...
How much height and size of a dolphin?
The length of a dolphin will vary depending on the particular species. The largest one is the orca which measures about 25 feet long.
Some do and some don't. There are a number of fish in the open ocean that do not use shelter. It is probably due to the way they evolved and the fact that there isn't a lot of shelter in the open ocean. Just a lot of water. Many fish do seek out shelter, though it's usually called cover. Fish find places in the water like among or under water plants, around or under fallen trees, about or within rocks and caves or around or under structures. They do this so they can hide from predators or lurk while hunting for prey.
