Reeflings

Common name: Yellow-speckled cave-goby

Scientific name: Gobiodon okinawae Sawada, Arai & Abe, 1972

General information

The Okinawa Goby, Gobiodon okinawae, is a small, brightly colored fish that is popular among reef aquarium enthusiasts. Its vibrant yellow hue and peaceful demeanor make it a favorite for adding a splash of color and activity to a tank. This species is known for its hardiness and adaptability, which contributes to its success in the home aquarium.

Details

Recommended minimum tank volume
40 liter (11 gallons)
Salinity
S.G. 1.020 to 1.025
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
4 cm (1½″)
Care level
Easy Hardy and easy to feed
Diet
Carnivore Enjoys mysis and brine shrimp
Social
Pair Pairs are often monogamous
Reefsafe
Yes
Aggression
Semi aggresive Can be territorial in small tanks
Captive bred
Yes Available as captive-bred

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perciformes
    Perciformes
  5. Family
    Goby
    Gobiidae
  6. Genus
    Clown Gobies
    Gobiodon
  7. Species
    Yellow-speckled cave-goby
    Gobiodon okinawae Sawada, Arai & Abe, 1972

Care

Okinawa Gobies are relatively easy to care for, making them suitable for both beginner and advanced hobbyists. They thrive in well-established aquariums with plenty of live rock for hiding and spawning. These gobies are not demanding when it comes to diet and will accept a variety of foods, including frozen and dried preparations. However, a diet rich in marine-based nutrients will help maintain their coloration and health.

Reproduction

In the aquarium, Gobiodon okinawae may breed if provided with the right conditions. A mated pair will often spawn within the branches of hard corals, particularly Acropora species. The male is responsible for guarding the eggs until they hatch.

Symbiosis

One of the most interesting aspects of the Okinawa Goby is its symbiotic relationship with certain species of Acropora corals. The fish not only use the coral branches for spawning but also for protection from predators. In return, the gobies may help the coral by removing algae and detritus from its surface, thus promoting better health and growth for the coral.

Habitat

Naturally found in the Western Pacific, including the waters around Okinawa, Japan, Gobiodon okinawae inhabits shallow coral reefs. They are often associated with branching corals, such as those from the genus Acropora, which provide them with shelter and breeding sites.