Beginner Isopods for Sale

Every isopod on this page is one I would hand to someone who has never kept invertebrates before. They tolerate a wide range of conditions, they breed without being coaxed, and none of them need heating, spraying twice a day or a species-specific substrate recipe to do well. Prices start at a couple of pounds, so a first colony is a small commitment.

If you want the short answer: start with Dairy Cows or dwarf whites. Both breed quickly enough that you will see results in weeks rather than months, and quick results are what keep a new keeper interested.

What makes an isopod beginner-friendly

Three things, and only three.

A wide tolerance for error. Some species collapse if the substrate dries out for a weekend. The species here do not. Porcellio laevis and Porcellio scaber in particular will forgive a missed misting, a warm spell, or a tub that got left in a draught.

They breed readily. A colony that reproduces faster than it loses animals is self-correcting. It absorbs your early mistakes. Slow breeders punish them instead, which is why an expensive rare species is the worst possible first purchase, however tempting the photographs are.

Room temperature is enough. Nothing on this page needs a heat mat in a normally heated UK home. That removes the most common cause of a failed first colony, which is drying the air out with heating and not adding moisture back.

What to buy alongside them

A first setup is genuinely cheap. You need a ventilated tub, a few centimetres of substrate, a handful of leaf litter, a piece of cork bark to hide under, and a permanent calcium source such as cuttlebone. That is the whole list.

Adding springtails to the same tub is worth doing from day one. They outcompete most moulds and cost very little, and a springtail culture is the single best insurance policy against the mould that worries most new keepers.

The mistake almost everyone makes

Fussing. New keepers open the tub, move things about, check on the animals and mist whenever they walk past. Isopods breed and feed best when they are left alone, and a colony that is disturbed daily will stall no matter how good the setup is.

Set the conditions well, then have the patience to do nothing. Our beginner's guide to keeping isopods in the UK covers the full setup, and the substrate guide explains what actually goes in the tub and why.

Which one should you actually pick

For a first colony that shows results fast: Dairy Cow or Giant Orange. Both are Porcellio laevis, both are prolific, and both are under four pounds.

For a bioactive vivarium cleanup crew: dwarf whites. Tiny, tolerant, invisible to the animal living above them, and they multiply with almost no input.

For something that looks striking on a shelf: Magic Potion or Panda King. Both are easy despite their appearance, and the Panda King is the Cubaris I most often hand to someone taking their first step into the genus.

Every colony here is bred in the UK, ships with at least twenty per cent more animals than you ordered, and is covered by a live arrival guarantee. If you are not sure which to start with, ask me before you order.