Randall's anthias

Pseudanthias randalli

Also known as Randalli Anthias, Randall's Fairy Basslet, Randall's Anthias Basslet

SaltwaterFish

Randall's anthias (Pseudanthias randalli)

Care at a glance

Temperature
75–81°F
24–27°C
pH
8.1–8.4
Adult size
3.1 in
8 cm
Minimum tank
75 gal
285 L
Temperament
Peaceful
Social behavior
Social
Swim level
Middle
Difficulty
Medium
Breeding
Hard
Rarity
Common
Reef safe
Reef safe
Family
Serranidae
Origin
Western Pacific from Indonesia to Micronesia, near caves and ledges on reef slopes.

Overview

Keep one, or a male with several females, in at least 285 litres with caves and overhangs and moderate flow at 24 to 27 C. It is reef safe and coral-safe, and slightly easier to feed than open-water anthias, but still needs several small meals a day of mysis, enriched brine and copepods. A refugium producing live pods helps a lot. Provide plenty of rockwork so it feels secure.

In the wild

Randall's anthias is a small pink-and-yellow anthias that stays close to caves and overhangs rather than open water. It darts in and out of the reef structure catching plankton. It is more bottom-associated and less exposed than shoaling anthias. Males carry brighter fin markings than females.

Good to know

Pseudanthias randalli reaches about 8 cm and lives near reef ledges in the western Pacific. It follows the usual anthias pattern of female-to-male sex change within a group. The species is named for ichthyologist John Randall.

Did you know

It hugs caves and ledges more than most anthias, so a reef with lots of overhangs suits it far better than an open tank.

Weekly picks

Tank mates

Randall's 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 a Randall's anthias need?

A Randall's anthias needs at least 75 gal (285 L). It spends most of its time in the middle.

What temperature and pH does a Randall's anthias need?

A Randall's anthias is comfortable at 75–81°F (24–27°C) with a pH of 8.1–8.4.

How big does a Randall's anthias get?

An adult Randall's anthias reaches about 3.1 in (8 cm).

Related species