When it comes to invertebrates, many aquarists immediately think of shrimp or crayfish. However, there’s another group of fascinating inverts that can be kept in aquariums: crabs! Unfortunately there is still a lot of misinformation out there about these clawed critters. Many brackish crab…

Thai micro crabs (Limnopilos naiyanetri) are a fully aquatic crab species that truly lives up to its name: their carapace grows to a maximum size of around 1 cm (0.4 inch)! This makes them a perfect addition to nano tanks and very peaceful aquarium…