Common name: Yellow-speckled cave-goby
General information
The Okinawa Goby, scientifically known as Trimma okinawae, is a small and colorful fish that is a popular choice for nano and pico reef aquariums due to its diminutive size and peaceful nature. This species is part of the Gobiidae family, which is known for its diversity and the interesting behaviors of its members. The Okinawa Goby has a striking appearance with its bright red and white banded pattern, which makes it a visually appealing addition to any reef tank.
Details
- Recommended minimum 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 to 8.4
- Average size
- 3 cm (1¼″)
- Care level
- Easy
- Diet
- Carnivore
- Social
- Harem
- Reefsafe
- Yes
- Aggression
- Peaceful
- Captive bred
- No
Taxonomy
- KingdomAnimalsAnimalia
- PhylumChordatesChordata
- ClassRay-finned FishesActinopterygii
- OrderPerch-like FishesPerciformes
- FamilyGobyGobiidae
- GenusPygmy GobiesTrimma
- SpeciesYellow-speckled cave-gobyTrimma okinawae (Aoyagi, 1949)
- SynonymsEviota caesiura okinawae Aoyagi, 1949
Care
Trimma okinawae is a hardy species that adapts well to life in captivity. It thrives in well-established aquariums with plenty of live rock for hiding and foraging. Due to its small size, it is essential to ensure that the aquarium does not have any aggressive or large fish that may prey on it. A varied diet of small, meaty foods such as copepods, brine shrimp, and finely chopped seafood will help maintain its health and coloration.
Reproduction
In the wild, Okinawa Gobies are known to spawn in small caves or crevices, laying their eggs on the ceiling of these structures. In the aquarium, they may exhibit similar behavior if provided with suitable spawning sites. The male typically guards the eggs until they hatch. Breeding these gobies in captivity can be a rewarding experience for advanced hobbyists.
Habitat
Trimma okinawae is found in the Western Pacific, particularly around the Ryukyu Islands, including Okinawa. They inhabit coral reef slopes and rubble areas, usually at depths ranging from 5 to 40 meters. Their natural environment is characterized by moderate to strong currents, which hobbyists should attempt to replicate in the home aquarium to provide a comfortable habitat for these gobies.