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Slender Grouper (Epinephelus slender)

Find Slender Grouper 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.

Slender Grouper
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Where to buy Slender Grouper

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

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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About Slender Grouper

The Slender Grouper is a small grouper with an elongated, streamlined body and subtle coloration ranging from tan to light brown with faint vertical banding patterns. It features a relatively large mouth characteristic of the grouper family and blends into reef rubble and rocky habitats.

Key facts

Care Requirements
• Minimum 75 gallon tank with plenty of rocky caves and hiding places • Maintain temperature 72–78 °F, pH 8.1–8.3, and salinity 1.023–1.025 • Will consume small fish and crustaceans; house only with larger fish species • Provide high-quality filtration and regular water changes • May become shy if not acclimated properly; use refugium or dim lighting initially • Nocturnal feeder—provide food during dim lighting or evening hours
Appearance
The Slender Grouper is a small grouper with an elongated, streamlined body and subtle coloration ranging from tan to light brown with faint vertical banding patterns. It features a relatively large mouth characteristic of the grouper family and blends into reef rubble and rocky habitats.
Common Health Issues
Parasitic infections, bacterial infections, poor acclimation stress
Diet Details
Feed small meaty foods including minced seafood, small crustaceans, and quality frozen preparations such as mysis shrimp and enriched brine shrimp. Offer 1–2 times daily in appropriate portion sizes.
Reef safety
Not Reef Safe
Family
Serranidae
Feeding Schedule
1-2 times daily
Origin
Indo-Pacific region, including reefs from East Africa through the Red Sea to the Indo-Australian Archipelago and extending to the Great Barrier Reef.
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Max Size
8
Min tank size
75 gallons
Temperament
Semi Aggressive

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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