Smooth Anthias (Plectranthias inermis)

Fish in the family Serranidae. Moderate care. Reef Safe.

Smooth Anthias

Quick facts

Scientific namePlectranthias inermis
FamilySerranidae
Care levelModerate
Reef safetyReef Safe
TemperamentPeaceful
Dietplanktivore
Adult size5 in
Minimum tank size55 gallons
Water parametersTemperature: 72-79°F pH: 8.1-8.3 Salinity: 1.02-1.026
Feeding schedule3-4 times daily

Appearance

A small, slender anthias with a predominantly orange-red body and fine scale pattern. The dorsal and anal fins display lighter coloration with subtle gradations; the body lacks the prominent stripes found in some congeners, giving it a smooth appearance.

Diet and feeding

Feed high-quality planktonic foods such as fine frozen copepods, mysis shrimp, and prepared plankton-based formulations multiple times daily. Supplement with occasional small frozen foods appropriate for small mouths. Strong water flow and frequent feeding support their naturally high metabolism.

Difficulty and care for the Smooth Anthias

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Common health issues

Marine ich, Fin rot, Swim bladder disorder, Bacterial septicaemia, Hole-in-the-head disease

Origin and habitat

Indo-Pacific coral reef regions, ranging from the Red Sea and East Africa to the Indo-Australian Archipelago and the Great Barrier Reef.

Log Smooth Anthias in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Smooth Anthias alongside everything else in your reef.