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Spotfin Squirrelfish (Holocentrus spotfin)

Find Spotfin Squirrelfish 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.

Spotfin Squirrelfish
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Where to buy Spotfin Squirrelfish

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 Spotfin Squirrelfish

The Spotfin Squirrelfish is a deep-bodied fish with bright red coloration on the dorsal surface and silvery-white undersides. It displays distinctive white spots or blotches on the lower body and fins, which give it its common name. Large eyes and prominent spines on the dorsal and anal fins are characteristic features of the species.

Key facts

Diet Details
Feed a varied diet of meaty foods including frozen mysis shrimp, krill, and small fish pieces. In captivity, they readily accept frozen preparations and should be fed small portions multiple times daily, as they are opportunistic nocturnal hunters.
Reef safety
Reef Safe with Caution
Difficulty Level
Moderately challenging for beginners. Spotfin Squirrelfish are hardy once acclimated but require specific water conditions, nocturnal feeding behavior, and ample hiding spaces. They may prey on very small fish or ornamental shrimp.
Diet
carnivore
Care Level
Moderate
Temperament
Semi Aggressive
Care Requirements
• Minimum 75-gallon aquarium; prefers 125+ gallons for long-term health • Nocturnal; provide caves/overhangs and dim lighting • Water: 72–78°F, pH 8.1–8.3, sg 1.023–1.025 • Feed high-quality meaty foods (mysis, krill); once daily • Peaceful but may consume very small fish; compatible with larger community reef tanks
Origin
Indo-Pacific region from the Red Sea and East Africa to Hawaii and the central Pacific. Found in coral reef environments throughout tropical waters.
Common Health Issues
Ich, bacterial infections, feeding difficulties during acclimation
Appearance
The Spotfin Squirrelfish is a deep-bodied fish with bright red coloration on the dorsal surface and silvery-white undersides. It displays distinctive white spots or blotches on the lower body and fins, which give it its common name. Large eyes and prominent spines on the dorsal and anal fins are characteristic features of the species.
Max Size
9
Feeding Schedule
2-3 times daily

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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