1) How to reduce air pump noiseAny air pump will make some noise, but if you prevent the pump from vibating against a surface the noise will be greatly reduced. For example you can use a cheap kitchen sponge to keep the pump off the table or floor.
Berried: described a female shrimp carrying eggs in her swimmerettes (see right)
"Mosquito fish" is a common name used to refer to several small American Gambusia species, sometime introduced to ponds to control mosquito larvae. These three are Gambusia affisni holborooki.
A lot of snails arrive unannounced along with plants or other deliberately purchased livestock. This is my latest arrival, a diminutive species of ramshorn snail.
Snails require calcium to construct healthy shells. There are many ways to provide this calcium.
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