More info
Datasheet
| Minimum Tank Size | 10 litres / 2.64 US gallons |
| Maximum Size | 4.0cm / 1.57inches |
| Reef Compatible | Always reef safe |
| Temperament | Docile |
| Temperature | 22.2°C / 71.96°F - 25.6°C / 78.08°F |
| Specific Gravity | 1.020-1.025 |
| Carbonate Hardness | 8-12 |
| pH | 8.1-8.4 |
General Description
The Okinawa rubble goby, also known as the Yellow-speckled cave-goby, is a small fish belonging to the Gobiidae family. It reaches a maximum size of 4.0cm and is found in the Western Pacific, from the Ryukyu and Ogasawara Islands to the Great Barrier Reef, showcasing a striking orange-red coloration with speckles.
Aquarium Suitability and Demands
Considered suitable for aquariums, the Okinawa rubble goby is docile but may get lost in overflows due to its small size. This species requires good hiding spots, especially among live rocks, to feel secure. It is best kept in a well-established aquarium with ample microorganisms like copepods and amphipods for sustenance.
Care and Hardiness
With average hardiness, this species is very sensitive during transportation and acclimatization, emphasizing the need for a smooth introduction to the aquarium environment. The Okinawa rubble goby is a short-lived species, typically surviving for up to two years in captivity.
Reef Suitability
The Okinawa rubble goby is reef-safe, making it a suitable addition to reef aquariums. Its docile nature ensures compatibility with coral and other reef inhabitants.
Aquarium Setup
When setting up an aquarium for the Okinawa rubble goby, ensure the water conditions are maintained with a pH of 8.1-8.4, a temperature range of 22.2-25.6°C, a specific gravity of 1.020-1.025, and a carbonate hardness (KH) of 8-12. Providing ample hiding spaces and a substrate that mimics its natural habitat is crucial for the well-being of this species.
Behaviour
This goby species is very shy and docile, making it important to keep them away from more aggressive tankmates. The Okinawa rubble goby can live alone or in a group, showcasing adaptability to different social settings within the aquarium.
Feeding and Diet
In the wild, the Okinawa rubble goby feeds on small crustaceans like krill and mysis, as well as zooplankton such as Cyclops and pods. To ensure a balanced diet in captivity, offering a variety of these foods is essential for its health and vitality.
Dimorphism (and captive reproduction If covered)
The Okinawa rubble goby is a hermaphrodite, capable of changing gender from male to female and vice versa. Captive reproduction of this species has not been explicitly covered, and further research may be needed to explore this aspect in detail.
Habitat and Distribution
This species is native to the Western Pacific, from the Ryukyu and Ogasawara Islands to the Great Barrier Reef. Recently, sightings have been recorded in Tonga, showcasing a wide distribution range across the region.