Carinotetraodon borneensis

Carinotetraodon borneensis, sometimes known as the Bornean red-eye puffer, is a species of pufferfish in the family Tetraodontidae. It is a tropical freshwater species known only from southern Sarawak, Malaysia. It reaches 4.4 cm (1.7 inches) SL and is sometimes seen in the aquarium trade.