Rainford's Goby - Koumansetta rainfordi

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SKU: 211523
Manufacturer: That Fish Place
MPN: F91 0007 0117

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Rainford's Goby (Koumansetta rainfordi, formerly Amblygobius rainfordi) has an elongated grey body with horizontal orange stripes running from the snout to the tail. There is also a row white spots on the upper body near the dorsal fin, and a yellow edged black spot on the rear of the dorsal fin. They are also known as the "Red-striped Goby" or "Old Glory".

"Hover Gobies" (genera Amblygobius and Koumansetta) are named for their behavior of hovering just above the substrate rather than perching on it like many other gobies. They are very similar to the group of gobies known as sandsifter or sleeper gobies (mostly genus Valenciennea). They take mouthfuls of the substrate and sift it out through their gills, searching for food. This can help keep the substrate aerated, and may help prevent the build-up of organic debris that leads to high nitrate levels, algae, and cyanobacteria ("Red Slime Algae"). They should be kept in a tank with fine, soft substrate that will not damage their gills as they sift.

They will eat a variety of frozen foods and possibly flake and pellet. Gobies prefer a tank with plenty of rocky hiding places. They get along with most tankmates, but can be aggressive toward other gobies. When startled or threatened, they have been known to jump out of uncovered aquariums. Always keep the tank covered and provide plenty of hiding places for this fish to retreat to.

Visit That Fish Blog for more information from our marine biologists on Gobies and other aquarium-related topics!


F91 0007 0117
That Fish Place
Common NameRainford`s Goby
Scientific NameKoumansetta rainfordi
DifficultyEasy to Moderate
Reef SafeYes
Invert SafeYes
Community SafeYes
Max Size (in inches)3.5
Min Tank Size (in gallons)30
Originwestern Pacific
Specific Gravity Range1.020-1.024
pH Range8.0-8.4
Temperature Range75-82
Internal Id

State Restrictions
Armed Forces Americas
Armed Forces Europe
Armed Forces Pacific
Puerto Rico


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