Plecostomus can be kept with most any "Community Fish". They should have 10-25% water changes every 1-2 weeks depending how big the tank is, how many fish are in it, what kind of fish are it it, and how dirty the water gets(obviously). They prefer to be in water 72'-82' Fahrenheit. They feed on algae and algae wafers which can be purchased at most local fish stores.
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You can buy fish for your aquarium at pet stores, aquarium specialty shops, or online retailers that sell fish and aquarium supplies. Make sure to research the type of fish you want and their specific care requirements before making a purchase.
Large aquarium, plenty of food, well filtered, proper oxygenation, adequate housing.
Bluegill should be kept in a large pond they are a sport fish rather than an aquarium fish and they're regarded as good eating too.
Harder than freshwater ones. If you are a beginner, you definitely are better off starting with a freshwater aquarium.
It could be any number of aquarium diseases. take a sample of water and the next fish that dies to your local aquarium store and have them looked at.
depends if its a baby, for that is all i know. do not eat teen fish because they are still growing up and dont make them mad because that will make their hormones kick in, also female fish tend to get crabby once every month. beware, but make sure to feedYou take care of a fish by feeding it cleaning the aquarium. But the only disadvantage of getting a fish is you can't really play with it.
Get a small Aquarium Fish Net, get the body of the Fish, put it in the toilet.
Millimeters may be appropriate, or perhaps centimeters. If a fish is 63 mm long, then it would be 6.3 cm long. U have to take the fish out of the aquarium
Fish farm
no, you cant steal fish in happy aquarium
Depends on only the 13 year old...if they do chores,help their mom,care about brother/sister's ,then they can try to care for a fish aquarium.
No, Daphnia cannot live in an aquarium with fish as they are likely to be eaten by the fish.