Geophagus Dicrozoster

Datasheet

General Description

Geophagus Dicrozoster, commonly known as Earth-Eating Cichlid, is a peaceful species belonging to the family Cichlidae. It can reach a maximum size of 20.2 cm and is characterized by its elongated body shape, dark preopercular markings, and reddish caudal fin with blue spots and stripes.

Aquarium Setup

To set up an aquarium for Geophagus Dicrozoster, a soft sandy substrate is essential to facilitate their natural browsing behavior. It is crucial to avoid coarse materials like gravel to prevent feeding inhibition and potential health issues. Dim lighting, driftwood pieces, scattered roots, and branches are recommended as additional furnishings. Rocks for potential spawning sites can be included, while leaf litter should be avoided to prevent water quality issues.

Behaviour

Geophagus Dicrozoster is generally peaceful and can coexist with a variety of tankmates sharing similar environmental requirements. However, they should not be housed with aggressive or territorial substrate-dwelling species or those needing harder water. When in groups of 5-8 individuals, a noticeable dominance hierarchy forms, and weaker specimens may face aggression. The species displays gregarious behavior, forming loose aggregations except during spawning.

Feeding and Diet

As benthophagous "eartheaters," Geophagus Dicrozoster feed by sifting substrate for invertebrates, plant material, and organic detritus. Their diet should include a variety of high-quality prepared foods, live or frozen supplements like bloodworms and Artemia, and vegetable matter. Feeding small portions multiple times a day mimics their natural browsing behavior, promoting optimal growth and condition.

Reproduction & Dimorphism

Geophagus Dicrozoster is a substrate-spawning, biparental mouthbrooder. Breeding can be initiated by maintaining a good diet and water quality. Spawning involves the female laying eggs fertilized by the male, with both parents participating in caring for the fry. No external sexual dimorphism is observed except during spawning when the female's ovipositor becomes visible.

Habitat and Distribution

This species is native to acidic blackwater environments of the Orinoco River tributaries in Venezuela, with soft substrates, scattered rocks, tree roots, and leaf litter. Geophagus Dicrozoster inhabits still lagoons more commonly than river channels and is known to coexist with G. abalios. It thrives in habitats with low mineral content and warm temperatures, displaying adaptations to its specific ecological niche.