Eels & Predators
Blue Line Grouper
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Live animal: Overnight delivery, Tuesday–Friday (Saturday $25 extra, arranged by phone or email). Covered by our Live Arrival Guarantee.We ship daily. Prices and availability may change. Images are for illustration only and may vary from the actual product. Stock is subject to change.
- Packed to order with heat or cold packs for the season
- Eating and settled in our systems before it ships
- Questions? Ask a reef keeper
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About this fish
About this fish
Blue Line Grouper (Cephalopholis formosa) is a predatory reef fish best suited to a home saltwater fish-only aquarium. Its practical use is as a centerpiece predator: it helps create a natural-looking, rock-rich display where you can observe strong hunting behavior—provided the tank is set up for its size and feeding needs.
Features:
- Predatory, so it will see smaller fish and crustaceans as food
- Grows large for an aquarium, making size-appropriate housing important
- Does best in a big fish-only setup with plenty of rock for hiding and security
- Feed meaty foods such as frozen silversides, squid, and shrimp a few times a week
- Provide slow acclimation and a quiet place to settle after arrival
- Often kept with large, robust tankmates to reduce the risk of being swallowed
Specifications:
- Scientific name: Cephalopholis formosa
- Care level (general): Predatory fish that requires a suitably sized, fish-only aquarium
- Tank type: Fish-only
- Temperament: Predatory
- Diet: Meaty foods (e.g., frozen silversides, squid, shrimp)
- Available sizes: Large, Medium, XL
