Maintaining A Nano Reef
gaspipe1 - Aug 24 2016 07:20 AM
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Reef Tank Pests
Bubble Algae (Valonia)
Bubble algae are a fairly harmless reef tank pest in small quantities. It's not uncommon to see bubble algae in nano reefs with good water quality. It becomes a problem, however, when it spreads. It can grow over corals in the tank and snuff them out. Bubble algae are able to spread fast because each bubble releases algae spores when broken. It's seen either as one large bubble or a small cluster of little bubbles.
When removing bubble algae Be careful not to pop any bubbles. If the bubbles are large (about the size of a marble) you should be able to gently pull them from the rock. If possible, remove the rock the bubble is on and pull it off outside of the aquarium. If your bubble algae is a small cluster, concider adding an emerald crab [Minthrax] to the tank. They are nano reef safe and great for controlling bubble algae.
Mantis Shrimp (Stomatopods)
Mantis shrimp can enter into a nano reef when it is first setup, or new liverock is added. They come as hitch hikers within the rock, from both the Atlantic and Pacific. Not all batches of liverock will contain a mantis shrimp though. Mantis shrimp are predators, feeding on crustaceans and fish by smashing or spearing them. Signs that one is in you nano reef are: loud clicking sounds, missing fish, killed snails/crabs, or broken shells. They hide in small crevices within rocks or corals.
Removing a mantis shrimp is not a simple task. It would be wise to wear heavy gloves before handling a mantis shrimp. Most mantis shrimp that make it into aquariums are small, but larger ones have been known to break fingers. Fortunately nano reefs are not very large, so it should be easy to find. With this in mind, the following are methods that have been know to work:
- If you know which rock the mantis is hiding in, remove it from the aquarium and place it in a bucket with water from your tank. If there is no life on the rock that needs to be preserved, place the rock in a bucket of carbonated water. If the rock has other life on it, you can use a turkey baster to squirt carbonated water [club soda] into the hole the shrimp is in. Either way the shrimp should evacuate the rock in time.
- Buy or make a trap specifically for mantis shrimp. There are quite a few traps available at fish stores or online catalogs. DIY plans can also be found online. You may also want to research a trap before you buy it, to make sure it has been effective for others.
- If the rock cannot be removed from the aquarium, the shrimp can be taken out with a net. This is, however, not easy. At night time, with the tank's lights off, simply wait and watch for the shrimp to come out and feed. Try using live bait to lure it out as well. If you can move quickly, it's possible to net it while it is away from its burrow.
Not every method will bring success for everyone. Remember that it takes patience to win the battle. If one method doesn't work out, try another.
- albertthiel, escholl, Julian_blnc and 7 others like this