Id please? I think sp "venezuela" or proteus. The belly is often i little more red. It is now about 16-18 cm long. Dont know how old it is.
http://www.umeafotbollsfestival.se/barcacamp/images/1600 liter/proteus_orig_SE.jpg
http://www.umeafotbollsfestival.se/barcacamp/images/1600 liter/proteus_orig_SE.jpg