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Benjamin's Pygmy Goby (Trimma benjamini)

Find Benjamin's Pygmy Goby across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified fish listings before you buy.

Benjamin's Pygmy Goby
Photo: Rickard Zerpe · CC BY 2.0
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Where to buy Benjamin's Pygmy Goby

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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  • Amazon

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  • Petco

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About Benjamin's Pygmy Goby

Benjamin's Pygmy Goby is a tiny, slender fish reaching about 2.2 inches with pale tan to reddish coloration and a darker stripe running along the body. It has the characteristic rounded head and fused pelvic fins typical of gobies.

Key facts

Care Requirements
• 20+ gallon aquarium minimum • Stable water: 72–78°F, pH 8.1–8.3, low nitrate • Gentle, low-flow areas with rubble/caves for shelter • Feeds small foods: copepods, brine shrimp, high-quality flake • Keep singly or in mated pairs; avoid larger aggressive fish
Reef safety
Reef Safe
Difficulty Level
Moderate difficulty; this small goby requires stable water conditions, live food availability, and careful tankmate selection due to its diminutive size. It is shy and benefits from established reefs with ample hiding places.
Diet
planktivore
Feeding Schedule
Feed 2-3 times daily
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Min tank size
20 gallons
Appearance
Benjamin's Pygmy Goby is a tiny, slender fish reaching about 2.2 inches with pale tan to reddish coloration and a darker stripe running along the body. It has the characteristic rounded head and fused pelvic fins typical of gobies.
Common Health Issues
Marine ich, Fin Rot, Swim Bladder Disease, Bacterial Infections, Parasitic Infestations
Family
Gobiidae
Care Level
Moderate
Max Size
2.2

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

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