Red Lipstick Goby (Sicyopus rubicundus)
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The Red Lipstick Goby (Sicyopus rubicundus) is a rare freshwater dwarf goby prized for its bold male coloration, active behavior, and big personality in a small package. Mature males can develop striking red to orange markings on the lips and rear body, paired with a bright yellow second dorsal fin. Females are more subtle in color but remain active, curious, and entertaining to watch.
Native to fast moving, clear streams in Indonesia, this goby does best in mature aquariums with excellent water quality and strong flow. It is a great choice for peaceful community tanks with small fish, hillstream species.
| Species | Sicyopus rubicundus |
|---|---|
| Gender | Males: bold red/orange markings; Females: subtle coloration |
| Habitat | Fast-moving, clear streams in Indonesia |
| Water Conditions | Strong flow, excellent water quality, mature aquarium |
| Compatibility | Peaceful community tanks with small fish and hillstream species |
FAQ
What makes the Red Lipstick Goby unique compared to other gobies?
The male Red Lipstick Goby develops striking red to orange markings on the lips and rear body, along with a bright yellow second dorsal fin, making it visually distinctive and highly active in its environment.
What kind of aquarium conditions does this goby require?
It thrives in mature aquariums with strong water flow and excellent water quality, native to fast-moving streams in Indonesia.
Is this goby suitable for beginners?
This goby is best suited for experienced aquarists who can maintain stable water conditions and provide strong flow, as it requires a mature tank and consistent care.




Una Duncan –
The Red Lipstick Goby is a vibrant addition to my tank. The male developed bright red markings within a few weeks. It’s very active and adds a lot of personality to the community. I keep it with small hillstream fish and the water flow is well maintained.
Trevor Ogden –
I was impressed by how quickly the male goby showed color. It’s active and curious, and the female is calm and interesting to watch. I make sure to keep strong flow and clean water, which the goby appreciates.
Frank Smith –
This goby has become a highlight in my aquarium. The red lip markings are striking and the fish is always moving around. I’ve kept it for over three months and it’s thriving in a well-maintained tank with strong current.