Aquarium Invertebrates

Staying Legal WIth Crayfish

One thing would-be crayfish keepers need to know is that not all crayfish are legal to keep everywhere. In Britain, the only crayfish you may legally keep is Cherax quadricarinatus, the Redfin Crayfish. The reason for this is that many crayfish are native to mountain streams with quite cool water even if they come from [...]

Crayfish In Your Aquarium

Crayfish are crustaceans that look much like small lobsters or large shrimp and come from freshwater streams and rivers around the world. They can make very good inhabitants for the aquarium, but they do have special requirements that must be met.   In particular, they require aerated water, space, are often aggressive, and will eat small [...]

Pet or Pest? Pond Snails in the Tropical Aquarium

Pond snails are the snails that turn up unintentionally when you buy aquatic plants. They breed prolifically and are often considered a pest. However, these snails have their good points: they are easy to feed, help keep the tank free of uneaten fish food, eat algae, stay small, do well at both tropical and low [...]

Finding the Right Temperature For Your Aquarium Shrimp

It all depends on species… Shrimp tolerate a wide variety of temperatures but temperature tolerances vary between species. Most will tolerate normal tropical aquarium temperatures, but some require higher temperatures and others are quite happy at temperatures lower than most tropical fish will stand. Because shrimp keeping is a young part of the aquarium hobby, [...]