Common name: Yellow-speckled cave-goby

Scientific name: Trimma okinawae (Aoyagi, 1949)
okinawa pygmygoby 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 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 to 8.4
Average size
3 cm (1¼″)
Care level
Easy
Diet
Carnivore
Social
Harem
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No

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
    Pygmy Gobies
    Trimma
  7. Species
    Yellow-speckled cave-goby
    Trimma okinawae (Aoyagi, 1949)
  8. Synonyms
    Eviota 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.