Decorated goby
  • Istigobius decoratus
  • English Name : Decorated goby
  • Local Name : Nala funna
  • Size : Max. 13 cm
  • Family : GOBIIDAE
  • Order : Perciformes
  • Distinctive Characters: First dorsal fin with 6 spines. Second dorsal fin with 1 spine and 10-11 rays. Anal fin with 1 spine and 9-10 rays. Pectoral fin with 17-19 rays. Unbranched caudal rays usually 14. Cheek scaleless. Head length 24 – 30 per cent of standard length.
  • Colour: Light brown with rows of white and black spots, the most evident midlateral row of double black spots. A semi-circular dark mark above corner of mouth.
  • Habitat and Biology: Common on coralline sand near clean coral reefs, at depths to 18 m. Usually seen solitary.
  • Distribution: Indo-Pacific.
  • Remarks: The colouration of Istigobius decoratus is highly variable with localities. Some species extremely pale while others very dusky. It is sometimes confused with I. ornatus.