Opal Cling Goby

Stiphodon semoni
Opal Cling Goby - Marinewise © 2023 MarineWise

Quick Facts

Scientific name Stiphodon semoni
Other names Allen's Cling Goby, Allen's Stiphodon, Barber Goby, Cobalt Blue Goby, Neon Blue Goby, Neon Goby
Size Up to 4.6 cm (1.81 in)
Weight A few grams


Habitat & AU Distribution Freshwater creeks & streams in fast moving water over rocky bottoms & boulders
Depth Range 0 - 1 m (3 ft)
Opal Cling Goby Distribution

Interesting Info

  • The Opal Cling Goby is found in freshwater streams and rivers in northeastern Australia
  • They are known for their striking coloration, which includes a metallic blue-green back and bright orange fins.
  • The Opal Cling Goby is named for its ability to cling to surfaces in fast-moving streams using a specialised suction cup-like structure on its ventral side.
  • This fish species is also able to jump out of the water and cling to surfaces above the water line using its suction cup.
  • Opal Cling Gobies are primarily herbivorous, feeding on algae and other plant matter.
  • They are active during the day, and can often be seen clinging to rocks and other underwater structures. These fish are generally found in clear, fast-moving streams with rocky or gravelly substrates.
  • Opal Cling Gobies have a unique reproductive behaviour, in which males build and defend nests made of algae and sand, and court females by performing elaborate dance-like displays.
  • Females lay their eggs in the male’s nest, and the male guards and tends to the eggs until they hatch.
  • Their lifespan is estimated to be around 2-3 years in the wild and up to 5 years in optimal conditions.
Species Interaction

Aquarium Fish

Opal Cling Gobies can make fascinating and unique aquarium fish, but they require a dedicated and experienced aquarist to provide the optimal care and environment they need to thrive.

Scientific Classification

Kingdom: Animalia

Phylum: Chordata

Class: Actinopterygii

Order: Gobiiformes

Family: Gobiidae

Genus: Stiphodon

Species: Stiphodon semoni

Conservation Status

The Opal Cling Goby, is currently listed as “Least Concern” by the International Union for Conservation of Nature (IUCN). This means that the species is not currently facing significant threats that could lead to its extinction.

Opal Cling Goby
As Aquarium Fish

Care Level: Moderate to difficult

Temperament: Peaceful

Diet: Herbivore

Reef Compatible: No

Minimum Tank Size: 20 gallons

error: Alert: Content selection is disabled!!