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This profile was written by Tracey, a Senior Member on the  World Cichlids Online   web site. This is a great resource and you should check it out.  




South america

 

Geophagus Surinamensis

Geophagus Surinamensis

 

Overview:
    It's an eartheater. A sifter of sand. A rock gobbler. It is a bottom feeder that finds its food by sifting the substrate in search of morsels.

Quick stats:

 

    Listed tank sizes are the minimum
    Size: Up to 12" (30cm) Total Length
    Tank: 75+ gallons
    Strata: Bottom, middle
    PH: 6.0 to 8.0
    Hardness: Soft to medium. dH range: to 19.0
    Temperature: 76°F to 88°F (24-27°C)

Classification:

    Order: Perciforms
    Suborder: Actinopterygii (ray-finned fishes)
    Family: Cichlidae
    Genera: Geophagus Surinamensis
    Species: Surinamensis


Common name:

    Red Striped Eartheater, sometimes also called Pearl Eartheater (although this name is also used for G. Brasiliensis)


Image gallery:

    Additional species photographs

Discuss:

    Badmans' Forum

Distribution

    South America: Suriname - Sarramacca, Maroni and Suriname Rivers

General Characteristics:

    G. Surinamensis is a peaceful, relatively non-territorial cichlid, with beautiful, almost iridescent patterns of blue, green and red markings. As their common name suggests, they are ferocious diggers, foraging constantly for food in the substrate. They are well designed for this, with a long, sloping forehead and eyes placed high on their head. They are slower growing than a lot of other SA cichlids and it does take them a while to get to adult size.

    Being more peaceful in nature than most cichlids of this size, they are more suitable for large community tanks as they will not bother smaller fish. However, this peacefulness makes them less suited to tanks containing other large, more aggressive fish. When in situations like this, they tend to spend a lot of time hiding and can become stressed very easily.

    Their juvenile coloration is considerably less dramatic that their adult colours, but considering how beautiful they become as they grow, it is well worth the wait. They are somewhat shy by nature and it can take them a lot of time to be comfortable enough to come out and visit their owners, but this will happen eventually and they can become quite friendly.

    Their preference, like many South American cichlids, is for softer water and it has been many people's experience that hard water can diminish their coloration, but I have not found this to be the case with mine. They are hardy fish, tolerating a reasonable range of ph's, but are most comfortable with a neutral ph.


Aquarium Set-up:

    In the wild, G. Surinamensis are found in quiet pools and backwaters in the rivers they inhabit. Their natural habitat does not contain much in the way of plants, but has more large root systems and rocky banks. Substrate should be sand or very fine, well rounded gravel, as they spend a lot of their time sifting through it searching for food, Larger, sharper types of gravel should be avoided as it can cause injuries to their face and mouth. Any plants that are included in the tank should be well secured otherwise they will be consistently dug up and possibly nibbled on occasionally.

    As they grow to a reasonable size, a tank of 55 gallons or larger is necessary for a pair. They are comfortable in larger groups, so they do well in larger, species-only tanks, but care should be taken to make sure there is enough room for each fish to dig without banging into a tankmate. The tank should be wider rather than taller, giving as much substrate surface as possible for foraging. G. Surinamensis are not overly fond of large, open spaces, but this can be gotten around with the addition of floating plants or large pieces of driftwood that allow swimming space underneath. Caves are a good addition as well, as these fish like to have somewhere secure to retreat to between feeding sessions

    Good filtration is essential, as their constant digging will stir up the substrate. Under gravel filters are not recommended, as they will be uncovered on a regular basis. It is important to keep the water quality high, as they are susceptible to HITH disease if kept in poor conditions.

    Red Striped Eartheater

Feeding:

    G. Surinamensis feed mainly on small crustaceans and substrate-dwelling creatures in the wild. Their diet also contains a fair amount of vegetable matter. Anything fed to them in an aquarium should sink, as their preferred method of feeding is to sift through the substrate. They are fond of foods such as whiteworms, bloodworms, daphnia and brine shrimp, but animal proteins are not considered to be good for them. I currently feed mine a mix of various small sinking pellets and a home-made mix of green vegetables and shrimp, which they go crazy over. Spirulina is a good addition to their diet, as it brings out their blue and green coloration.


Compatibility:

    These fish are peaceful by nature, considering their size, and are suitable for large-scale community set-ups containing smaller SA species, such as Tetras and Corydoras catfish. They do not consider smaller fish to be food, and generally will not pay them much attention. They also are very tolerant of each other, so can be kept in larger groups if tank size permits. However, they tend to do poorly when in tanks with more aggressive species such as Oscars, as they prefer to run than to stand and defend themselves.


Breeding:

    Male G. Surinamensis develop long extensions on their dorsal, anal and tail fins. Females can also display extensions, but the males are usually far more pronounced. They reach maturity at around 6", which is approximately a year to a year and a half old. Eggs are generally laid on a smooth piece of rock or a small pit dug into the substrate. Unlike most SA cichlids, G. Surinamensis are partial mouthbrooders, either parent will take the fertilised eggs in their mouth and hold them until hatching which occurs around 3 days later. After hatching, the fry will stay close to their parents, taking shelter in their mouths if danger threatens. As with most cichlids, the parents will be very protective while caring for a brood, and this is the only time that any serious aggression will be shown. They breed more readily in softer water with a neutral ph, and many people have had success using one of the "blackwater" water conditioners that are available, as they simulate the fishes natural habitat. I have had no success breeding my pair and I believe this is due to the hard nature of my water. The picture above is of my male, showing the long extensions on his fins


Personal Experiences:

    I purchased a pair of these fish a little over 2 years ago knowing next to nothing about them. At first, I did regret this decision, as their juvenile coloration was somewhat boring and they tended to hide a great deal. However, once they reached maturity, I soon changed my mind. They are truly spectacular fish, with dramatic coloration and a very good temperament. Anyone looking for an attractive, large cichlid without the personality problems that come with many of them should definitely consider these as an alternative.

    Red Striped Eartheater


Your comments:

 

Please remember that the following comments are personal experiences and may or may not apply to your setup. Use them as guide to help better understand your fish, like us all individuals will behave differently under different circumstances.

 


From: Henry Andrus
Date:8/25/2009
I recently bought a geophagus and added him to my 100 gallon south American cichlid display tank. His tankmates include a pair of oscars, a jewel cichlid, a firemouth cichlid, a Texas cichlid and a pair of plecostomus. So far he is doing very well he digs little pits everywhere and constantly gets into quarrels with the smaller oscar. He never hides unless forced to and is very friendly coming up to the front of the tank to say hello to whoever walks by.
From: Brendan
Date:1/11/2009
I similarly picked this guy up knowing next to nothing about the species. He never showed the afore mentioned shyness, but I'm sure he is an exception rather than the rule. I honestly never believed peoples assertions that his colors would only become more striking as he aged, until I saw a full adult in my friends tank. Mine shares a tank with a green severum, a tyre track eel, some emerald rainbows, a festivum, a plecostomus, an African butterfly, and a leopard ctenapoma. While most of the previous descriptions of demeanor are observed, mine is also a fairly accomplished guppy hunter, and frequently "gums" the rainbows (mouths them to no apparent damage.) My only advice is to make sure your substrate is small grained, and bears no sharp edges, lest you enjoy busting out the needle nose pliers to remove a piece of gravel from it's mouth...
From: Aithne Potts
Date:4/17/2006
I bought a geophagus surinamensis recently as I have seen a more adult one and knew how gorgeous the colouring would develop to be as my fish gets older. Already it has gorgeous light blue shimmery patterning on its head and gills and it is only about 5cm long. It is in a tank with 10 neon tetras, 3 emperor tetras and two corydorus catfish and they all get along really well. There is a castle which would serve nicely as a cave for the surinamesis to hide in but I find it doesn't hide much at all. It is very comfortable swimming about with the other fish, mostly down the bottom but coming up into the mid levels to feed with the others. I have a large piece of driftwood in the tank with a Java fern attached to it and the surinamesis loves to swim in and out of the leaves and root system looking for lodged food. It hasn't yet started to sift the gravel for food. Perhaps it is too little but it does pick up and spit out bits of plant and bigger flakes when flake feeding. It also loves frozen blood worm. My tank temp is 26C and the ph is neutral. My surinamesis seems very happy and often comes to the glass to say hello if I am sitting watching the fish. I am thrilled to have chosen to add it to my tank.

 

 

 

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