reshwater invertebrates are on the rise in the aquarium
world, providing hobbyists with the opportunity to keep
something more than the usual fish and plants—namely,
snails, crayfish, crabs, and shrimps. Some of these species are
quite colorful and have attractive patterns; however, the true
fascination comes from their bizarre body shape and their
small size, which makes them ideal inhabitants for nano tanks.
Almost every week a new variant or species of freshwater
invert is brought to the market. Some of them become
established in the hobby, while others disappear from the
wholesalers’ lists as fast as they entered them. More often
than not, unknown requirements for keeping and breeding
them coupled with high loss rates and a lack of offspring
are responsible for this phenomenon. Moreover, some invert
species turn out to be quite incompatible with other aquarium
inhabitants and thus soon cease to grace dealers’ stock tanks.
Freshwater invertebrates add a bit of the unusual
to an aquarium, and their colors and patterns make
them stand out, especially against the greenery of a
Various freshwater shrimps in a planted tank; new
freshwater inverts are coming onto the international
aquatics market at a remarkable rate.