Botiidae

Dwarf loach

Ambastaia sidthimunki

Aquarium populations mostly come from captive breeding

• Tropical
• Regional distribution
• Freshwater fish
• Asia (unspecified)
• Elongated
• Small
• Tropical fish

The dwarf loach, ladderback loach, pygmy loach, chain loach or chain botia (Ambastaia sidthimunki) is a freshwater fish belonging to the family Botiidae. Formerly included in the genus Yasuhikotakia, it is frequently seen in the aquarium trade, the product of captive breeding. This endangered species is endemic to the Mae Klong basin (including Khwae Noi River) in Thailand, and the Ataran River on the Thai-Myanmar border.