Length: Grows up to 12 inch. Foods: Meaty diet: Squid, krill, silverslides, small fish. Reef Compatibility: Not Reef Safe. Water Conditions: Temp. 75-78F. Salinity 27-31ppt or 1.020-1.023 sg; pH 8.1-8.4. Special Needs: Feeds on small fish, bottom dweller, and it is a very hardy fish.