Buying Fish - Saltwater
When you buy fish at a pet store, take the time to examine them
careful. Items to look for are:
No signs of disease on scales, fins or eyes for any fish
present in the tank.
Active swimming with no signs of struggle or gulping at the
Not being beaten up by other fish in the tank.
Ask about compatibility with other fish you have. Consider asking the pet store to keep the fish for you a few days or ensure they have a suitable guarantee. Make sure you resist the temptation to fill a new tank with lots of fish, as the tank will not have cycled
properly and you can end up losing most of your fish. If you are a
beginner, a couple of clownfish or damselfish are good starters.
When you buy online, you will need to do your research on the
fish you are buying and then put your faith in the reputation of your
supplier. Consider quarantining new fish before adding adding them to an established tank.
Many fish are stressed by transport to a pet store or from online delivery to
your door, because they are packed in the dark with pure oxygen and no way to
naturally remove waste. Fish can develop disease quickly
thereafter. Isolating them in a separate tank may soon provide evidence of
disease that can be prevented from reaching your other fish.
It is always a good idea to float your new fish from a pet store
in their bag on the surface of their new home. This allows the temperature to adjust.
It is also recommended that tank water be added in small quantities to the bag
in order to help the fish adjust to the new water quality. Amquel can be
added to neutralize ammonia. Then discard some of the bag water and use a cup, a
turkey baster or drip line to add small quantities of tank water. Water
replacement should be repeated several times until the new fish are effectively
in the same water as that in the tank. The fish can then be poured into
the tank. For a reef tank, netting the fish instead will help ensure that
contaminates in the remaining bag water are not introduced to the tank. Be
sure to consider the type of fish though, as angels, tangs and lionfish easily
tangle in nets and should be poured out instead.
Sending new fish to a quarantine tank first and dipping
in chemical baths that kill parasites will reduce the risk of losing an entire
well-established tank to disease. A small tank with a simple sponge filter
will suffice. Use some rock or sand from the main tank to ensure proper
biological filtration is established. You should repeat the above transfer
process when moving fish from a quarantine tank to the main tank. This
should be done after a week or two in quarantine.
If the fish have been
delivered in the mail, follow the supplier instructions. Online
deliveries will have pure oxygen added to the bag and wastes will have built up,
so opening the bag usually causes chemical changes and should only be done when
the fish are removed from the bag immediately.
Adding new fish to an existing aquarium is not only a challenge
due to the possible introduction of disease. Fish in the tank have well
established territories that they will vigorously defend and the new fish is at
a serious disadvantage.