Live Combo Pack 15 Dairy Cow Isopods and Springtail Culture Cleanup Crew Review (2026)

What this combo includes

This listing pairs 15 live Dairy Cow isopods with a springtail culture, sold as a cleanup crew combo for bioactive reptile and amphibian enclosures. Dairy Cow is the common name for Porcellio laevis, named for its mottled black and white pattern that resembles Holstein cattle coloring, and it is one of the larger isopod species kept in the hobby, with adults reaching roughly 18 to 23 millimeters. Buying isopods and a springtail culture together in one order saves sourcing two separate cleanup crew species from different sellers, which is the main convenience this kind of combo listing offers over ordering each species individually. Fifteen isopods is a workable founding group for a colony that is expected to grow over the following months.

Why Dairy Cow isopods specifically

Dairy Cow isopods are widely described in the hobby as among the hardiest and most tolerant isopod species available, able to handle a wider range of conditions and some level of keeper neglect better than more sensitive tropical species. They tolerate a fairly broad temperature range and do well at moderate humidity rather than needing the constantly damp conditions some other isopod species require, which makes them a common recommendation for keepers new to bioactive setups. Their diet includes soft or rotting wood, leaf litter, decaying plant matter, calcium sources, and occasional protein, all of which are typical components of a bioactive terrarium floor.

Speed and activity level

Dairy Cow isopods are known for moving very quickly when disturbed, which has earned Porcellio laevis the nickname swift woodlouse in some parts of the hobby. That speed and their larger size compared with many other isopod species make them easier to spot moving around an enclosure than smaller, more secretive morphs, which some keepers find appealing for observing the cleanup crew at work. It also means they are less likely to hide constantly and more likely to be visible during normal activity, which lines up with the site's own note that this species is bold and active.

Diet and colony management

Because Dairy Cow isopods have relatively high protein needs for an isopod species, feeding protein sources such as freeze-dried shrimp or fish pellets two to three times a week is commonly recommended to keep a colony satisfied and reduce nipping behavior toward live plants or other tankmates when food is scarce. This matches the site's own caution that Dairy Cows can nibble plants or shed skin if food runs short. Keepers who feed the colony consistently and provide enough calcium and protein alongside leaf litter tend to see fewer issues with the isopods bothering plants or smaller animals sharing the enclosure. Cuttlebone or crushed eggshell left in the enclosure is a simple way to cover the calcium side of that diet.

Where the value lands

For a keeper who wants a durable, low-maintenance isopod species paired with a springtail culture for mold control, this combo is a practical starting point, especially for a first bioactive build where forgiveness of minor care mistakes matters. The trade-off is the same one the site notes, namely that this species' size and boldness can be a downside in an enclosure with small or shy tankmates, and steady feeding is needed to keep the colony from nipping at plants. For a dedicated cleanup crew tank without sensitive animals, Dairy Cow isopods are a reliable, well documented choice.

Frequently asked questions