- English Name : Half barred goby
- Local Name : Baigalhi funna
- Size : Common to 9 cm; max. 15 cm
- Family : GOBIIDAE
- Order : Perciformes
- Distinctive Characters: First dorsal fin with 6 spines, second dorsal fin with 1 spine and 13-15 rays. Anal fin with 1 spine and 12-16 rays. Pectoral fin with 18-22 rays. Gill arch with finger like projections. 10 – 15 short vertical papillae rows under eye. Operculum with several scales dorsally.
- Colour: Brown with pale blue-green spots and dull red spots on dorsal fins and top of head. A dark spot above gill opening and one at upper caudal base. Females with pale bars on abdomen. Males often with pale spots on anal fin.
- Habitat and Biology: Commonly found in sheltered, shallow lagoons. Excavates its own burrow. Usually in pairs. Feeds on filamentous algae, small crustaceans and other tiny animals.
- Distribution: West Indian Ocean.
- Remarks: Amblygobius semicinctus is very common in the sheltered lagoons of Maldivian islands and ring reefs. The family Gobiidae is the largest family of marine fishes in the world, with about 220 genera and 1 600 species, of which about 160 genera and 1 200 species inhabit the Indo-Pacific region.