Most beautiful tropical fish tank

Tropical Fish Care

If you choose the types of fish carefully, Tropical Fish are great pets for almost any household. Check out our Tropical Fish care tips for beginners.


You’ve been eyeing the lovely aquarium of tropical fish at a friend’s house or even your dentist’s office, and now you’re thinking you’d like one of your own. If you choose the types of fish carefully, tropical fish are great pets for almost any household.

There’s a trick to keeping a beautiful tank of tropical fish. Here it is, in a nutshell:

  • Start with a freshwater tank of 20-50 gallons;
  • Set it up with the gravel, filter, plants, “cycling” fluid, rocks, and so on before choosing your fish;
  • Allow it to sit and “age” for at least a week;
  • Choose an appropriate number of small river fish; and
  • Do routine maintenance regularly, instead of waiting for something to go wrong.

Why should you choose river fish for your first fish tank? They are the easiest to keep healthy in a small body of water such as an aquarium. Most popular lake fish and marine critters need the water conditions to remain perfectly stable. River fish can handle fluctuations in acidity and temperature more easily than the others. As a result, adding water to the tank each week or two is less of a risk, you’re less likely to kill your fish be changing the medium in the filter, and a heatwave or sudden winter “cold snap” will be less likely to make your fish sick.

Starting with small fish (specifically, small fish that will stay small) makes sense unless you can afford a truly gigantic tank. Most popular fish need to live in groups, and the fastest way to a smelly, unhealthy mess of a tank is to overcrowd it. One inch of fish-length per gallon of water is a good rule of thumb.

Before choosing your fish, make a trip to the pet store and see what fish appeal to you. Make a list of the names of the fish. Now, go home again and look up these fish on a decent website. How big do they get? For example, black ghost knifefish are beautiful and fascinating, and the little 3″/7cm babies are the cutest fish ever, but do you have room a school of 18″/45cm adults? On the flipside, the cherry barbs and cardinal tetras aren’t going to grow much. If you plan to have more than one kind of fish in your tank, also check how many you’ll need per species (count on at least five, for schooling species) and whether the water requirements are compatible…and whether the fish themselves are compatible.


Tom (Tominaga/Oscar) Aquarius AQ5424 Aquarium Fish Net with 5" x 4" Net & 24" Stainless Steel Handle
Pet Products (Tom (Tominaga/Oscar))
  • Excellent value for money
  • Zigzag stitching enables durable netting and long lasting usage.
  • Ideal for freshwater or saltwater applications.
  • Poly-bagged for pegboard application.
  • Available in 4 sizes: Mini, Small, Medium and Large

HEPL! Fish people?

by MyLittleCorner

I set up an aquarium (my first) about a week ago and put the fish in three days ago. The fish are all congegating at the very top near the heater. My instant meat thermometer (the only thermometer I have) says it is 80 degrees at the top of the tank. It is my understanding that 80 degrees is the maximum temperature for these fresh water tropical fish.
But I have to wonder. Are they hanging out there because it is the warmest place in the tank and I should throw out the meat thermometer and turn up the heat?

(1) If the water was cloudy and smelly,

by Goldie

It was probably from rotten food. They were being overfed, which is a very common thing for people who are unfamiliar with fish to do. Actually, when in doubt, it's better to have them unfed, if it's less than a week. They'll get hungry but won't starve. Also, goldfish are vegetarians, so you can put some live plants in with them and they can eat them. What they don't eat won't rot, since they are living. Try Anacharis or Cabomba, which float. Or use one of the feeding blocks which won't foul the water and which fish can pick at as they want.
(2) Goldfish are adapted to living in cold water

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Secret Caribbean Island Vacations  — Businessweek
These shipwrecks host some of the world's best diving, with stingrays and 100 species of tropical fish making their home in the skeletons of Spanish galleons and British warships.

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