Evansi anthias

Pseudanthias evansi

Also known as Yellowback Anthias, Yellowtail Anthias, Evans' Anthias, Evansi Fairy Basslet

SaltwaterFish

Care at a glance

Temperature
75–81°F
24–27°C
pH
8.1–8.4
Adult size
4.7 in
12 cm
Minimum tank
75 gal
285 L
Temperament
Peaceful
Diet
Carnivore
Difficulty
Difficult
Rarity
Common
Reef safe
Reef safe
Family
Serranidae
Origin
Western Indian Ocean including the Maldives and East Africa, on outer reef slopes.

Overview

The Evansi anthias is a peaceful anthias that swims in the middle of a reef tank. It is best for experienced keepers who can maintain steady conditions.

Did you know

The Evansi anthias is a protogynous hermaphrodite, so every fish in a group starts as a female. If the lone male dies, the top female changes sex to replace him.

Caring for the Evansi anthias

House a single Evansi anthias in at least 75 gal (285 L). A male with five or more females needs 470 liters or more. A group sorts itself into one male with several females. Provide open swimming water and plenty of rock for retreat.

Keep the water at 75 to 81°F (24 to 27°C), with good flow and a pH of 8.1 to 8.4. It is sensitive to water quality and diet, so hold conditions stable. Feed copepods, mysis and enriched brine shrimp several times daily.

The Evansi anthias is peaceful, reef safe and coral-friendly. Breeding it is hard.

Good to know

Pseudanthias evansi is an anthias in the family Serranidae, with a violet body and a bright yellow back and tail. Most aquarium fish stay smaller than its full size, nearer 8 to 10 cm.

In the wild

The Evansi anthias comes from the western Indian Ocean, centered on the Maldives and East Africa. It lives on outer reef slopes, where it shoals in open water and feeds on drifting plankton.

Weekly picks

Tank mates

The Evansi anthias is a peaceful, social species that keeps to the middle. These picks share a community profile with it, are safe together in both directions, and overlap on water type, temperature and pH.

Check the full mix in the stocking calculator

Common questions

What size tank does an Evansi anthias need?

An Evansi anthias needs at least 75 gal (285 L). It spends most of its time in the middle.

What temperature and pH does an Evansi anthias need?

An Evansi anthias is comfortable at 75–81°F (24–27°C) with a pH of 8.1–8.4.

What does an Evansi anthias eat?

An Evansi anthias eats copepods, mysis and enriched brine shrimp. Feed it several times a day, since it is sensitive to diet.

How big does an Evansi anthias get?

An adult Evansi anthias reaches about 4.7 in (12 cm).

Related species