02-10-2010, 05:30 AM
| || | The first definitely looks like a young Atyopsis moluccensis if you
ask me, known as bamboo shrimp, flower shrimp, wood shrimp and probably reticulated neon upside giraffe lion shrimp or some nonsense. The important part is that this is a filter-feed shrimp. Unlike most shrimp it doesn't eat by poking around through substrate or plants or moss or things like that looking for food. Instead, it uses those fans on its legs to filter food bits out of the water column. You can accommodate it by having some driftwood or rocks or something like that jutting up directly into the outflow of your filter and removing some of the mechanical filter media from the filter so that there are particles of food for the shrimp to eat. I've always heard that if you see it poking around in the gravel for food, it's starving to death.
As for the snail, that looks like a Malaysian trumpet snail. You'll have a whole bunch of them pretty soon. They tend to burrow into your substrate and are generally pretty harmless (actually pretty beneficial as they feed on detritus and keep your substrate from compacting).