Neon Goby Identification Guide
Recognize the Neon Goby by its tiny black body with a bright iridescent blue stripe running from snout to tail.
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Key identification features
- Very small, slender body reaching only about 2 inches
- Black to dark brown base body color
- Brilliant iridescent blue stripe running horizontally from the snout, through the eye, to the tail on each side
- Translucent, mostly clear fins
- Often seen stationed at a fixed spot on the reef, actively working over larger fish
Common look-alikes
- Cleaner goby (Elacatinus genie) has a similar blue stripe but shows yellow coloring across the head and back that the Neon Goby lacks.
- Sharknose goby carries a more yellowish body overall, with the blue stripe less bold and not extending as clearly past the eye.
- A body that stays solid black from snout to tail, broken only by the blue stripe, points to the Neon Goby.
Where you'll see one
Neon Gobies live on reefs, sponges, and rubble patches throughout the Caribbean and western Atlantic, where they set up cleaning stations and pick parasites off passing fish that pause to be serviced.
Frequently asked questions
How do I tell a Neon Goby from a Cleaner Goby?
Neon Gobies keep a solid black body broken only by the blue stripe, while Cleaner Gobies add yellow coloring across the head and back.
How can I find a Neon Goby on a reef?
Look for a fixed cleaning station, often on a sponge or coral head, where the fish stays stationed and larger fish stop by to be cleaned.