Common name: Blotched Sand Goby

Scientific name: Fusigobius inframaculatus (Randall, 1994)
Golden goby

General information

The Rusty Goby, scientifically known as Fusigobius inframaculatus, is a small and peaceful fish that is well-suited for reef aquariums. Its body is elongated with a soft, rusty coloration and subtle markings, which can make it a charming addition to a community tank. This species is not as commonly found in the aquarium trade as some other gobies, but it is appreciated for its gentle demeanor and interesting behavior.

Details

Recommended minimum tank volume
75 liter (20 gallons)
Salinity
S.G. 1.022 to 1.025
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
9 cm (3½″)
Care level
Moderate to easy Prefers sandy substrates for burrowing
Diet
Omnivore Enjoys varied diet including mysis
Social
Pair Pairs are often monogamous
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Goby
    Gobiidae
  6. Genus
    Whipfin Gobies
    Fusigobius
  7. Species
    Blotched Sand Goby
    Fusigobius inframaculatus (Randall, 1994)
  8. Synonyms
    Coryphopterus inframacualtus Randall, 1994
    Coryphopterus inframaculatus Randall, 1994

Care

Rusty Gobies are relatively easy to care for, but they do require a tank with a sandy substrate and plenty of live rock to provide hiding places and surfaces for algae growth, which is a part of their natural diet. They are known to be bottom dwellers and rarely venture far from the substrate. A varied diet that includes small meaty foods and high-quality prepared foods will help maintain their health and coloration.

Reproduction

Like many gobies, Fusigobius inframaculatus is known to form monogamous pairs and exhibit biparental care. They lay their eggs in a sheltered location, often within the live rock or coral rubble. Both parents guard the eggs until they hatch, which typically occurs after a few days to a week, depending on water conditions.

Habitat

The Rusty Goby is found in the Western Pacific, from the Great Barrier Reef to the islands of Micronesia. They inhabit coral reefs and lagoons, usually at depths ranging from 1 to 30 meters. They prefer areas with sandy bottoms and abundant coral cover, where they can find food and shelter.