Alestidaefreshwater fishbeginner

African Red-eye Tetra

Arnoldichthys spilopterus

Also known as: African Red-eye Tetra, Red-eye Tetra

Origin: West Africa (Nigeria, Ghana)

A

Water Parameters

Temperature2327 °C
15 °C35 °C
pH67.5
49
GH (Hardness)212 °dGH
0 °dGH30 °dGH
KH (Alkalinity)18 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
10 cm
Min Tank
100 L
Lifespan
5-8
Swimming Level
mid
Schooling
Yes (6–20+)
Diet
omnivore
Temperament
peaceful active schooler

About

Arnoldichthys spilopterus is a large and beautiful West African tetra from Nigeria and Ghana, immediately recognised by its striking red iris and iridescent, multi-coloured scaling. It is active, peaceful, and one of the most spectacular schooling fish from the region. Groups of six or more are needed to observe its full colour potential.

Care Guide

Water: 23–27°C, pH 6.0–7.5, soft to medium hardness. Tank: Minimum 100L; open swimming areas with planted edges and strong filtration. Feeding: Quality flake and pellets, supplemented with frozen brine shrimp, bloodworm, and daphnia. Behaviour: Active, peaceful schooler; harmless to all but the smallest tankmates. Compatibility: Excellent with kribibensis, Congo tetras, Synodontis, and robust West African community fish.

Buy African Red-eye Tetra from FinsHQ shops

Shops currently listing this species with stock available

No shops are currently listing African Red-eye Tetra. List your shop on FinsHQ.
Built for aquarium retailers

Sell African Red-eye Tetra in your shop?

Join aquarium shops already using FinsHQ. Get a beautiful webshop, mobile app, and inventory management — built for aquatic retailers.

Start your free store