Neon Goby Care Guide

Elacatinus oceanops · Saltwater Goby

Neon Goby
AI-generated illustration of Neon Goby
Adult size
~1.5″ (3.8 cm)
Suggested tank
20+ gal
Placement
Lower to Middle
Flow
Medium

What Neon Goby look like

The Neon Goby (Elacatinus oceanops) is a small, elongated fish characterized by its vibrant coloration and distinctive markings. Adults typically reach a maximum size of approximately 1.5 inches (3.8 cm) in standard length. This species exhibits sexual dimorphism, with males often displaying slightly larger body sizes and more pronounced coloration than females. The body is predominantly blue with a striking yellow stripe running along the lateral line, which is complemented by a contrasting dark blue to black dorsal fin. The oral cavity features small, sharp teeth adapted for feeding on ectoparasites, and the pectoral fins are well-developed, aiding in agile swimming. Defensive adaptations include cryptic coloration that allows them to blend into their reef environment, minimizing predation risk.

Behavior & temperament

Neon Gobies are known for their social behavior, often forming small groups within their habitat. They typically inhabit the lower reef zones, where they establish territories around cleaning stations. Their breeding behavior involves courtship displays, where males perform intricate movements to attract females. These gobies exhibit a generally peaceful temperament but can display territorial aggression towards other gobies. They are also known for their cleaning symbiosis, where they remove parasites from larger fish, a behavior that fosters mutualistic relationships within the reef ecosystem.

Diet & feeding

In the wild, Neon Gobies primarily feed on small ectoparasites and detritus found on the skin of larger fish. In captivity, they require a diet rich in high-quality frozen or live foods, such as brine shrimp and mysis shrimp, supplemented with occasional flake or pellet foods designed for small fish.

Behind the name

The genus name 'Elacatinus' is derived from the Greek words 'ela' meaning 'small' and 'katinos' meaning 'goby', while the species name 'oceanops' combines 'ocean' referring to their marine habitat and 'ops' meaning 'appearance' or 'face'.

Plan your tank

Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.

Keeping Neon Goby?

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