Red V-Tail Grouper (Cephalopholis urodeta)
Reef Compatible – With Caution
Care Level – Intermediate
Disposition – Aggressive
Min. Tank Size – 100 gallons
Mature Size – 11 inches
Specifications
| Feature | Value |
|---|---|
| Species | Cephalopholis urodeta |
| Size (Adult) | 11 inches |
| Recommended Tank Size | 100 gallons |
| Compatibility | Reef compatible with caution |
| Behavior | Aggressive |
| Difficulty Level | Intermediate |
FAQ
Is the Red V-Tail Grouper safe to keep with other reef fish?
Only with caution. It may attack smaller or more delicate reef species. Careful selection of tank mates is essential.
What is the expected growth rate of this fish?
The Red V-Tail Grouper reaches a mature size of 11 inches. Growth rate varies based on tank conditions and diet.
Can this fish be kept in a community tank?
Not recommended. Due to its aggressive disposition, it should be kept in a tank with large, robust fish and no small or shy species.




Claire Edmunds –
I kept this grouper in a 100-gallon tank with a few larger fish. It’s aggressive but not overly destructive. I had to remove a small clownfish after a few weeks. Still, it adds a strong presence and is active in the tank.
Hannah Butler –
The fish arrived healthy and seems to be adjusting well. I’m cautious about adding new fish. It’s not ideal for a small or mixed reef setup, but it’s a good choice for experienced aquarists.
Heather Lambert –
After two months, it’s grown quite large and shows strong territorial behavior. I’ve kept it with a few large tangs and it’s not causing major issues. Just make sure the tank is spacious and well-maintained.