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First and foremost be aware this is a DWARF isopod species. This means it is SMALL. Average adult size is about 1/4 inch or 6 to 8 mm. If you already know this obvious fact or it's not a deal breaker then read on. Cubaris Sp. White Shark is a beginner friendly Cubaris species that has exceptionally exquisite colors that might make you think twice about passing this gem up due to it's smaller size. They have sequential sections of orange, black and white and are absolutely fascinating little creatures. As with all other isopods, the color intensity and sections varies to some degree per isopod. On some the black may be more of a navy blue and the orange might be reddish-orange. These are living creatures and not manufactured merchandise so please understand this fact of genetics and small variations. White Sharks are among the few in the Cubaris genus that are actually not exceedingly sensitive or difficult to keep. While most if not all Cubaris isopods do have some extra needs, the White Shark is a bit more tolerant and not as likely to die out quickly if parameters go astray for a short period of time. Their husbandry is very straight forward and on par with other Cubaris like Panda King or any Murina type. A 6 quart gasket sealed storage bin or small glass aquarium is beyond sufficient for a small starter culture. You don't want to start off with much bigger than this unless you are getting or already have a large number of White Sharks on hand. Being dwarf isopods, if they are too spread out it will take much longer for them to find each other and start reproducing. Conversely you don't want too small either as environmental changes in a very small space happen much faster which isn't a good thing for this and most other isopod types. Standard or bioactive enclosures can be enhanced with natural botanical items to simulate the isopods habitat in the wild. This helps them feel secure which in turn promotes their natural processes like eating and breeding. Average room temperature will suit them just fine but keep in mind they are native to tropical to sub tropical areas so so do not let it get too cool. A good temperature range is 72-80F leaning more towards the warmer end if possible. White Sharks do not need a pronounced moisture gradient like most other isopods. A small gradient is fine, but a consistent lightly damp (not wet) enclosure is ideal. They will not fare well if allowed to get any level of dry. A 75% humidity level without large deviations will give you fantastic results. A few pieces of cork bark strategically placed over different parts of the enclosure will help retain the humidity levels and reduce the frequency of watering needed to maintain a proper moisture gradient. They do like to burrow so make sure your substrate is at least 3-4 inches deep. This also helps if things start to get dry on the top layer. They will simply dig down where there is more moisture until conditions on the surface are more to their liking. Isopods are detritivores. Their primary diet in nature is dried leaf litter and decayed wood. Both of these should always be available in abundance. They will also happily consume any other decomposing organic plant or animal matter they come across. As such it is vital to supplement your isopods with other food sources on a semi regular basis. White Sharks enjoy food options like squash, carrots, cucumbers and other veggies along with commercial isopod powdered food like Repashy Morning Wood. They also tend to be protein hungry so offer them things like freeze dried minnows, shrimp, fish pellets, dried insects and other protein based food sources. Be sure to feed these on the drier side as they can spoil quickly in humid environments and attract unwanted pests. As with most any other Cubaris isopod, it's recommended to have some limestone in their enclosure. This mimics their natural cave environments and they do seem to enjoy it. This can be in the form of crushed pellets they can nibble or small light weight stones they can crawl on and hide under. In our experience either will work, but our pods seem to enjoy Texas holy rock. Some cuttle bone pieces are always a welcome treat as well. While this desirable Cubaris isopod is not extremely difficult to keep, it still does require a bit more care than most common isopods. Though they are very small, in high numbers they are generally more visible which means you can enjoy and appreciate their beautiful coloration. A small piece of carrot placed in their enclosure will end up "caked" with adults and babies feasting and is a great way to observe them without stressing them by digging around to find them. They can be seen to some extent during the day, but they are primarily nocturnal. They tend to scatter when disturbed and quickly hide. The best time to observe them is at night when they are naturally active and foraging for food. They are typically on the slow side to reproduce, but once established they will be fairly prolific on a regular basis. A dozen or so within a matter of 2-3 months can quickly multiply long as their care is proper and consistent. Quick Facts Origin: Thailand Classification: Armadillidiidae > Cubaris > Cubaris Sp. > White Shark Average Size: 1/3" to 1/4" inch Activity level: Primarily nocturnal and active at night Care Level: Intermediate

Porcellio Expansus is one of the largest species in the hobby today. They're actually the largest in terms of width with their oversized expanded serrated skirt. They can reach lengths averaging between 1 to 1.4 inches! Their striking coloration, larger than average size and almost alien like appearance make them a highly desirable addition to any collection. The orange version as shown here was selectively isolated and line bred to enhance this appealing genetic trait. Porcellio Expansus like most other titan isopods is endemic to the mountainous regions of Spain. Their environmental factors in the enclosure are vital if they are to succeed as a new culture. In the wild they can be found inside of caves or in and around rocky structures and other similar formations. Despite the seemingly almost universal consensus that all titan isopods need a very dry set up, we have found this is not entirely accurate for Expansus. Inside of caves and such is higher humidity, but in the right spots there is also ample and plentiful ventilation and this is one of the larger needs this isopod must have to thrive. There is no one size fits all answer as how to provider this because all of the variables that will affect any given enclosure will be different based on the type of enclosure, the size, the ambient climate in the location in which they are kept are just a few that will require fine tuning to fit your exact circumstances. Providing a thicker substrate one one side will help retain moisture longer and multiple hides throughout the different micro climates in your set up should give them several options where they can best move to what suits them at any given time. Just avoid letting the air inside the enclosure stagnate while keeping a close eye on the moisture level so they don't dry out and expire. For temperature, average room temps of 69-78F with a modest night drop are no problem. Avoid large sudden fluctuations as these isopods don't fare well in these conditions either. A minimum 10 gallon glass tank or 12qt gasket sealed sterilite bin is highly recommended for a starter colony of 12-15 individuals. Since this is a much larger isopod than the typical fare, we recommend this larger footprint to accommodate them. Standard or bioactive enclosures can be enhanced with natural botanicals to simulate the isopods habitat in the wild. This helps them feel secure which in turn promotes their natural processes like eating and breeding. There is more to this than the practical statement of a bigger isopod needs a bigger enclosure. Mature males of P. Expansus are highly territorial and if they are forced in a set up that doesn't allow modest spacing they can quickly and easily die of stress. The same applies for the females since it will be harder for them to escape "eager" males looking for attention. Providing as many hides as practical will also help minimize these conflicts which should also be a top priority because P. Expansus has been known to cannibalize to some degree if food and space are minimum. Males are easily identified by their long showing uropods while the females will be a bit small in size with smaller uropods.  Isopods are detritivores. Their primary diet in nature is dried leaf litter and rotting decayed wood. Both of these should always be available in abundance. They will also happily consume any other decomposing organic plant or animal matter they come across. As such it is vital to supplement your isopods with other food sources on a semi regular basis. They enjoy food options like squash, radishes, carrots and other veggies along with commercial isopod powdered food like Repashy Morning Wood. This designer isopod will eat these and all of the typical food options. But like most Porcellio, they are very fond of protein based foods like freeze dried minnows, shrimp pellets, fish flakes and dried insects.  Porcellio Expansus is likely a "goal" for any isopod keeper who enjoys all of the different species and their unique characteristics. There are certainly few that even qualify as similar in terms of looks to this amazing creature. If you have more than minimal experience with isopod keeping and have a solid grasp on their husbandry along with the many variations of it needed for different types, P. Expansus may just be the next exciting step in your journey! Quick Facts Origin: North Eastern Spain Classification: Porcellionidae > Porcellio > Expansus Characteristics: Medium to bright oranges accented with random white splotching along the pereon. Large in size, especially width. Average Size: Around 1.2 inches at adult size Activity level: Primarily nocturnal and active at night Difficulty: Advanced