Red Hump Eartheater
Geophagus steindachneri
A fascinating South American cichlid famous for its constant sand-sifting behavior to find food. They are maternal mouthbrooders. Unlike many large cichlids, they are relatively peaceful toward other species, making them excellent candidates for large community tanks, though conspecific males will clash.
Red Hump Eartheater At a Glance
Red Hump Eartheater Tank Requirements
Will Red Hump Eartheater fit in your tank?
Care guides tell you what Red Hump Eartheater needs, the next question is whether your tank can safely provide it. Test Red Hump Eartheater against your tank size, maintenance needs, and the fish you already keep before you buy.
Red Hump Eartheater Water Parameters
Red Hump Eartheater Temperament & Compatibility
Red Hump Eartheater Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Male
Males develop a prominent, fleshy red nuchal hump on their forehead as they mature. They grow significantly larger than females and are territorial toward other males. Best kept as a single male alongside multiple females (a harem).
Differs in 3 traits from base species
Also known as: Alpha Male, Red Hump
Female
Females are noticeably smaller, exhibit more muted coloration, and completely lack the red nuchal hump. They are much more peaceful and are best kept in small groups to spread out male attention.
Differs in 3 traits from base species
Also known as: Harem, Female
Red Hump Eartheater Care Guide Summary
The Red Hump Eartheater, scientifically known as Geophagus steindachneri, belongs to the Cichlids - South American family group. Adults reach a maximum size of approximately 15 cm and have a compressed body shape with a moderate growth rate. Classified as semi-aggressive, this species primarily occupies the bottom and mid-level zones of the aquarium and produces a high level of biological waste.
To thrive, the Red Hump Eartheater requires a freshwater only aquarium with a minimum volume of 200 litres and a tank length of at least 120 cm. Water temperature should be maintained between 24°C and 29°C, with a pH range of 6.5–7.5 and a general hardness of 4–15 dGH. A moderate water flow is preferred.
The Red Hump Eartheater is a rewarding species to keep, provided its core environmental needs are met. This species is available in 2 varieties: Male and Female. Each may differ slightly in size, temperament, or care needs, so it is worth checking the specific requirements of the variety you plan to keep.
Red Hump Eartheater Habitat Setup
When setting up an aquarium for the Red Hump Eartheater, a moderate water flow best suits their natural preferences. Because this species occupies the bottom and mid-level zones, the aquarium layout should prioritise open swimming space in the centre of the tank for free movement and sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include a sand substrate to accommodate their sifting behaviour. Keepers should note that expect substrate disturbance, so lightweight décor should be secured.
Red Hump Eartheater Compatibility Notes
Classified as semi-aggressive, the Red Hump Eartheater is adaptable and can be kept singly or in a small group, offering flexibility when planning a community tank. When choosing tankmates, territorial behaviour may cause issues if hiding spots or floor space are limited. Selecting tankmates that favour different water layers from the bottom and mid-level zones can help reduce competition and territorial overlap.
Who Red Hump Eartheater Is Actually For
Red Hump Eartheater is best for a fishkeeper who wants a species that can settle into a calmer community setup and can provide someone who understands its individual space requirements. It makes the most sense for a hobbyist who will actually build around its needs, especially sand.
The most common mistake is treating Red Hump Eartheater like any other community fish and skipping the soft sand it needs to forage safely. Another frequent problem is forcing it into an over-busy community when it would do better with more room or more deliberate tankmate choices.
Red Hump Eartheater Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Red Hump Eartheater.
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
Frequently Asked Questions About Red Hump Eartheater
How big does Red Hump Eartheater get?
Red Hump Eartheater (Geophagus steindachneri) typically reaches a maximum adult size of approximately 15 cm. They have a compressed body shape and a moderate growth rate.
What tank size does Red Hump Eartheater need?
A minimum aquarium volume of 200 litres and a tank length of at least 120 cm are recommended for Red Hump Eartheater. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Red Hump Eartheater need?
Red Hump Eartheater thrives in freshwater only conditions with a temperature range of 24–29°C, a pH between 6.5 and 7.5, and a general hardness of 4–15 dGH. A moderate water flow is preferred.
Is Red Hump Eartheater peaceful or aggressive?
Red Hump Eartheater is classified as semi-aggressive with an aggression score of 5 out of 10. They can work in community setups but may clash with certain tankmates.
Can Red Hump Eartheater live alone?
Yes, Red Hump Eartheater can be kept singly or in a group. They are flexible and adapt well to both setups.
Does Red Hump Eartheater have any special tank requirements?
Yes. Red Hump Eartheater benefits from sand (sifters) in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Useful setup supplies
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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- May 11, 2026
- Last updated
- May 11, 2026
- Issues or corrections?
- Contact the editorial team
Plants That Suit Red Hump Eartheater
These plants pair well with Red Hump Eartheater based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
Afzel's Anubias
Anubias afzelii
Anubias Barteri
Anubias barteri
Belinda's Buce
Bucephalandra belindae
Buce Motleyana
Bucephalandra motleyana
Christmas Moss
Vesicularia montagnei
Congo Anubias
Anubias heterophylla
Fish Similar to Red Hump Eartheater
Red Striped Eartheater
Geophagus surinamensis
A large, relatively peaceful South American cichlid famous for its 'earth-eating' behavior. They constantly sift fine sand through their gills to forage for benthic invertebrates. A soft sand substrate is absolutely mandatory for their long-term health to prevent gill damage and stress. While gregarious and best kept in groups, they establish a strict pecking order.
Altifrons Eartheater
Geophagus altifrons
The Altifrons Eartheater is a large, graceful South American cichlid famous for its benthophagous feeding behavior. It constantly takes mouthfuls of sand, sifting it through its gills to extract small food particles. This natural behavior requires a fine sand substrate to prevent gill damage. While generally peaceful and best kept in groups, their constant digging will uproot most planted vegetation.
Bahia Red
Geophagus sp. Bahia Red
The Bahia Red is a beautiful, earth-eating cichlid belonging to the Geophagus brasiliensis complex. They are highly sought after for their vivid red/orange hues and pearlescent spangling. Like all 'eartheaters', they require a fine sand substrate to exhibit their natural sifting behaviors. While generally peaceful for a cichlid, they become aggressively territorial during breeding.
Pearl Eartheater
Geophagus brasiliensis
A robust, highly adaptable South American cichlid known for its iridescent pearl-like spangling. While classified as an 'eartheater' (sifting sand for food), they are less obligate sifters than other Geophagus species but still require a soft sand substrate. They are surprisingly tolerant of cooler water and even brackish conditions. They are aggressive for eartheaters, especially when breeding.
Threadfin Acara
Acarichthys heckelii
A stunning, generally peaceful South American cichlid closely related to the 'Earth-eaters' (Geophagus). They are famous for the long, trailing red filaments extending from their dorsal fins. They continuously sift substrate for food, making fine sand an absolute requirement for their gills and natural behaviors. While relatively peaceful in a community of similarly sized fish, they become fiercely territorial during breeding.
Jurupari Eartheater
Satanoperca jurupari
The Jurupari Eartheater is a remarkably peaceful South American cichlid famous for its continuous substrate-sifting behavior. They require a fine sand substrate to thrive and prevent damage to their delicate gills. Unlike highly aggressive cichlids, they are gentle giants that prefer the company of their own kind in a large, uncrowded community of similar-sized peaceful fish.