Porcellio laevis morphs

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 P. laevis Wild Type

Laevis are very similar to scaber with a few key differences, laevis are slightly larger, more rounded, with an untextured dorsal side.  Many larger reptiles will also accept laevis as a feeder.  The wild expression of this isopod ranges from a light to a deep grey.

Credit to Smug-Bug

 These laevis are a genetic trait and lie somewhere between the orange and normal laevis. they were selected for the creamy brown caramel coloration. 

Photo credit to Smug-Bug

 "California mix" is not a mix of several other laevis morphs like some may think. This is how laevis are naturally found in California! This culture is also sometimes labeled as "orange and white" or "marbeled". White, grey, orange, ombre, milkback colors and mutations can be witnessed throughout in varying combinations. 

Photo credit to Smug-Bug

 The orange gene expressed in laevis. Although not quite as vibrant as scaber or pruinosus expressions, a must have for any collector! 

Photo credit to Smug-Bug

 The white mutation of laevis was isolated in Europe and line bred from the "dairy cow" line. Small black flecks occasionally occur on individuals but are no visual comparison to the large ink blots on dairy cows. 

Photo credit to Smug-Bug

 Dairy cow is probably the most well known of the laevis morphs, and among the most well known isopod. But who wouldn't want tiny cute little cows running around a tank? 

Photo credit to Smug-Bug

 This is a mutation similar to "dairy cow" with brown spots, rather than black. It was isolated out of the "caramel" line of P. laevis and is unrelated to the dairy cow mutation. The name comes from the popular nursery rhyme "how now, brown cow". 

Photo credit to Smug-Bug

 Milk back is another European production. Members of this culture have an appearance of a white/off white back with varying degrees of white coloring the rest of their body. This is most likely an expression of Piebaldism. 

Photo credit to Smug-Bug