Orange-spotted sand-goby (Fusigobius longispinus)

Scientific name: Fusigobius longispinus Goren, 1978

The Orange-spotted sand-goby (Fusigobius longispinus) is a marine fish of the family Gobiidae. Native range: Indo-West Pacific, Red Sea and East Africa to the Marshall Islands, north to the Ryukyu Islands, south to the Great Barrier Reef.

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 7 - 8. Covered with evenly-spaced round orange spots; develops an elongate first dorsal spine with growth. Body whitish; about 4 patches on lateral side of body, triangular patch on caudal base; all fins whitish with orange spots on dorsal and caudal, Transverse scales 7. Predorsal scales 4. Head triangular in cross-section; snout short and pointed. Dorsal fin triangular in shape; in males, 1st dorsal spine elongated and extending over base of last dorsal ray when depressed; 2nd dorsal fin ray pointed posteriorly. Anal fin similar to 2nd dorsal. Pectoral fin large, extending beyond origin of anal fin. Pelvic fin cup-like with connecting membrane.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Fusigobius longispinus
Family: Gobiidae (Gobies)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 8.0
Depth range: 9–25 m (30–82 ft)
Environment: Marine; reef-associated; depth range 9 - 25 m
Climate: Tropical
Distribution: Indo-West Pacific: Red Sea and East Africa to the Marshall Islands, north to the Ryukyu Islands, south to the Great Barrier Reef.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Fisheries: of no interest; aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)