Twinspot Shrimpgoby

Vanderhorstia ambanoro

The Twinspot Shrimpgoby, known scientifically as Vanderhorstia ambanoro, is a reef-associated fish found in the Indian Ocean and the western Pacific Ocean. It inhabits coastal bays and lagoons, preferring sandy or muddy substrates. This species typically resides at depths ranging from 1 to 30 meters. It can reach a maximum length of 13 centimeters and is characterized by its pale body adorned with a series of black spots. Males can be distinguished by blue stripes along the margins of their ventral fins, while both sexes feature blue streaks and short vertical lines on the head and upper sides. The Twinspot Shrimpgoby is often found in symbiotic relationships with Alpheus shrimps, living in close association on the sea floor. This relationship is a mutualistic one, where the shrimp digs and maintains a burrow that both species use for shelter. The goby acts as a lookout for predators, using its keen eyesight to alert the shrimp of any approaching threats. Divers encountering this species may observe its shy and cryptic behavior, often hovering close to its burrow. The Twinspot Shrimpgoby is harmless to humans and is also found in the aquarium trade. According to the IUCN Red List, its conservation status is classified as Least Concern.