Rainford Goby
Rainford Goby
Species: Koumansetta rainfordi
Growth Form:
Small, slender sand-sifting goby that spends most of its time grazing along the substrate.
Coloration:
Orange, yellow, and blue-green horizontal stripes across the body with lightly transparent fins.
Temperament:
Peaceful and shy; best kept with calm, non-aggressive tankmates.
Tank Size:
30 gallons and up.
Placement:
Bottom-dweller; prefers sandy substrate with live rock for grazing and shelter.
Lighting:
Low to moderate lighting.
Flow:
Low to moderate flow.
Diet:
Omnivorous micro-grazer feeding on algae, diatoms, and small organisms.
Feeding:
Offer mysis shrimp, brine shrimp, copepods, and small sinking foods.
Reef Safe:
Yes; safe with corals and most invertebrates.
Care Level:
Moderate; best kept in mature aquariums with natural food sources.
Rainford’s Goby
Species: Koumansetta rainfordi
Growth Form:
Small, slender sand-sifting goby with an elongated body and rounded fins. Known for its calm swimming behavior and frequent grazing along the substrate.
Coloration:
Beautiful natural pattern with alternating orange, yellow, and blue-green horizontal stripes along the body. The fins are often transparent to lightly tinted, giving the fish a delicate and elegant appearance.
Temperament:
Peaceful and shy. Best kept with other calm, non-aggressive tankmates. May be intimidated by larger or highly active fish.
Tank Size:
30 gallons and up.
A mature aquarium with a well-established sand bed and natural microfauna is recommended.
Placement:
Bottom-dwelling species that spends most of its time near or on the substrate. Provide a sandy bottom with plenty of live rock for grazing and hiding.
Lighting:
Low to moderate lighting.
Lighting intensity is generally not critical as long as the tank supports healthy algae and microfauna growth.
Flow:
Low to moderate flow.
Excessive flow can make it difficult for this goby to comfortably forage on the sand bed.
Diet:
Omnivorous micro-grazer. In nature it feeds on microalgae, diatoms, and tiny organisms found on sand and rock surfaces.
Feeding:
Offer finely chopped frozen foods such as mysis shrimp, brine shrimp, copepods, and small sinking pellets. Many individuals also graze on film algae and microfauna throughout the day.
Reef Safe:
Yes. Completely reef safe with corals and most invertebrates. Often beneficial for lightly stirring the sand surface while grazing.
Care Level:
Moderate.
While peaceful and hardy once established, this species may be difficult to feed initially and does best in mature aquariums with natural food sources.
Ideal Parameters:
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Salinity: 1.024–1.026
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Temperature: 75–79°F
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pH: 8.1–8.4
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Nitrates: <20 ppm
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Stable reef conditions recommended
Fun Fact:
Rainford’s Goby is sometimes called the Court Jester Goby due to its colorful striped pattern and playful foraging behavior across the sand and rock surfaces.