Cichlidaefreshwater fishintermediate

Simochromis diagramma

Simochromis diagramma

Also known as: Diagramma Simochromis, Diagonal-Bar Cichlid

Origin: Lake Tanganyika, Africa

S

Water Parameters

Temperature2427 °C
15 °C35 °C
pH7.89
49
GH (Hardness)1020 °dGH
0 °dGH30 °dGH
KH (Alkalinity)818 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
18 cm
Min Tank
250 L
Lifespan
8-12
Swimming Level
middle
Schooling
Yes (8–15+)
Diet
herbivore
Temperament
Semi-aggressive between males; manageable in a large group

About

Simochromis diagramma is one of the larger Simochromis species, recognisable by its blue iris and characteristic diagonal marks along the flanks. It inhabits shallow rocky shorelines of Lake Tanganyika in loose shoals, grazing algae and biofilm. A maternal mouthbrooder best kept in groups where males display to each other in a colourful but manageable fashion.

Care Guide

Water: 24-27°C, pH 7.8-9.0, hard alkaline water. Tank: 250L+; extensive rockwork on the back and sides; some open sandy foreground. Feeding: High-quality spirulina flake and pellet; nori sheet on a clip is popular. Behaviour: Moderately aggressive between males; groups of 8+ work best; females mouthbrood 3-4 weeks. Compatibility: Tropheus species, Petrochromis trewavasae, or Limnotilapia dardennii.

Buy Simochromis diagramma from FinsHQ shops

Shops currently listing this species with stock available

No shops are currently listing Simochromis diagramma. List your shop on FinsHQ.
Built for aquarium retailers

Sell Simochromis diagramma 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