• How to stock your aquarium

    Once your aquarium has been run in (minimum of 3 months) you can gradually add to its population with corals, other invertebrates and fish.

Corals

Basically, you should only add lightdependent (zooxanthellate) corals.
These include – in each case with some sub-species:
• large and small-polyp stony corals
• soft corals
• leather corals
• horn corals
• zoo antuns
• etc.

You can safely populate your aquarium with an abundance of these sessile invertebrates. In symbiosis with the zooxanthellae, they will clean the water and stabilise the environment – rather as plants do in a freshwater aquarium.


Other invertebrates
These include a wide variety of animals.
Specialists recommend:
• feather-duster worms
• sponges
• starfish
• shrimps
• hermit crabs
• sea urchins
• snails
• etc.

As a rule these invertebrates do not need any additional food. In a healthy environment they will find enough food and also make use of leftovers and “clean up” after themselves. The size of the population should be self-regulating.


Fish
Although fish like living in large communities on coral reefs, you should only introduce a few initially. Slowly (over the course of a few months) you will be able to increase the stock but you should never add too many at once or the water alues will deteriorate.

The following are suitable for beginners, for example:
• different types of perch: damsels, chromis, cardinals
• surgeon fish
• anemone fish
• blenny
• goby
• dragonet
• dwarf angel

When making your purchase you should make absolutely sure that the fish are healthy, happy and well-fed. Round bellies without spots and an absence of protruding scales are good signs.




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Transferring fish and other stock to your aquarium
All newcomers must be slowly ntroduced into the new aquarium environment.
For that reason:
• Do not transfer them direct from the transport bag into the aquarium, but very slowly replace the water in the transport bag with water from the aquarium (2 – 3 hours).
• Whilst doing this, ensure that the temperature is the same.
• All animals (especially corals) must always be completely immersed in water.
• Do not pour corals into the aquarium but remove them carefully from the transport bag in the aquarium, under water, and place them where intended.
• Fish may be transferred using a fish-net.

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