Reef to Rainforest: Discovering Tropical Species, Places, Nature

Signal Goby

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Signigobius biocellatus - Hoese & Allen, 1977
Signal Goby

Thought to mimic a crab with its two eyespot-clad dorsal fins erect. Scott W. Michael

[edit] Overview

This beautiful goby species is often sold in pairs. Sadly, they usually starve to death in the home aquarium, not finding enough to eat in the aquarium sand to keep themselves healthy. These fish should be kept only by seasoned aquarists with large, productive reef tanks.

Family: Gobiidae

Other common name(s):

  • Twinspot Goby
  • Crabeye Goby

Native range:

Habitat: Sandy bottoms, near reefs and in lagoons. Needs a bed of well-established sand and rubble where it can forage and sift out live invertebrate prey items.

Maximum length: 6.5 cm (3 in)

Minimum aquarium size: 76 L (20 gal)

Water: Marine 24 °C (297 K, 75 °F) - 28 °C (301 K, 82 °F)

General swimming level: Near bottom.

[edit] Feeding

Carnivore. Sifts sand for small crustaceans and worms. Offer mysid shrimp, enriched adult brine shrimp, live Tubifex worms and the like.

[edit] Aquarium Compatibility

Good reef aquarium species, but it may eat ornamental crustaceans.

[edit] Special Care

Deworming newly acquired fish may help prevent malnourishment.

Reference: 101 Best Saltwater Fishes
Image credit: SWM
Text credit: SWM
Facts about Signal GobyRDF feed
Common name Signal Goby  +, Twinspot Goby  +, and Crabeye Goby  +
Family Gobiidae  +
Genus Signigobius  +
Image credit SWM  +
Maximum length 3 in  +
Minimum aquarium size 20 gal  +
Native range Western Pacific  +
Reference 101 Best Saltwater Fishes  +
Specific name biocellatus  +
Swimming level Near bottom.  +
Text credit SWM  +
Water max temp 301 K (28 °C, 82 °F)  +
Water min temp 297 K (24 °C, 75 °F)  +
Water type Marine  +

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