Mikrogeophagus ramirezi – Ram

Mikrogeophagus ramirezi or the Ram is one of the most beloved species kept in the hobby.

Mikrogeophagus ramirezi – Ram

Meyers and Harry described the Mikrogeophagus ramirezi in 1948. They belong to the Cichlid family. Mikro is Greek and means “small”. Geophagus consist out of 2 sections, Geo in Greek meaning “Earth” and Phagein means “to eat”. Together this means little dirt-eater. Ramirezi was already used before the species was described. The name continued to avoid any confusion.

Due to the hustle with the genus this fish has already had lots of names such as:

  • Microgeophagus ramirezi (written with c instead of k)
  • Apistogramma ramirezi
  • Papiliochromis ramirezi
  • Papilochromis ramirezi

Description

One of the most beloved species in the hobby, the Mikrogeophagus ramirezi or the Ram is a sight for the eye. It also has an interesting behaviour and is a social fish, meaning it leaves the other inhabitants of your tank alone. The males have an extended first ventral fin and the dorsal spines have elongated filaments. The dorsal fin is elongated in a point where the females have a round shaped dorsal fin. When the females are ready to mate they will get a reddish/pink spot on their belly. There are different species available in the aquatic trade such as the Longfin or Electric Blue as shown on the pictures.

Sadly enough, this species is often sold as a fish for beginners in the hobby, which is not the case. The Ram requires a pH-level less than 6. This is not a general value for a community tank or a beginner’s fish. Due to this specific level of pH there is quite a lot fatalities among Mikrogeophagus ramirezi with beginners. An alternative to the Mikrogeophagus ramirezi might be the Mikrogeophagus Altispinosus, which has subtler colouring but has even fun behaviour to watch.

Character

The ram is best kept as couples or when kept in a small group a coupe will form. A couple will hold a territory that is quite large in regards to the size of the fish. So it’s better not to hold 2 males in tank less than 1.2 metres. Females will also join the fight in defending their territory. You can keep them with other easy-going and docile fish that are not too big. You can find them predominantly in the lower or bottom layers of the tank so this could be a threat for other bottom dwelling fish such as Corydoras.

Habitat

The first specimens were caught in the Orinoco river delta in Venuzuela. The Llanos is a vast system of tropical savannah grasslands, seasonally flooded plains and forests covering an area measuring almost 600,000 square kilometres in Venezuela and Colombia. During May there is seasonal flooding creating a large marshland.

Diet

As the scientific name already indicates, this little fish is benthophagous meaning it will take a bite of the soil and sift it with its guiles for anything edible, spitting out the gravel or sand. They will eat all small fresh foods such as mosquito larvae, daphnia and artemia but also frozen foods and flakes are consumed. Feeding diverse foods will enhance their colouring. Best is also to feed on different places in the tank, as they are slow feeders, other faster and bigger fish, might eat everything before these fish get to it. Animals that have been caught in the wild may refuse flakes or tabs but after an adjustment period they will eventually start eating dried foods. For these fish it is necessary to provide sufficient live fare to bridge this period.

The tank

For the Mikrogeophagus ramirezi a 60 centimetre tank is a bare necessity. The tank needs to be set with enough hideouts and plants need to provide sufficient cover. As substrate you can use sand, as this is the soil closed to their natural habitat. Use wood and branches to create hideouts and dark spaces where the fish can relax. Make sure there are some flat rocks on which eggs can be deposited.

Leaf litter is welcomed as this is natural to their original habitat and it created addiotnal hideouts. This is not the only advantage these leafs have. They provide nutrition to the small fry of the Mikrogeophagus ramirezi. Also the decomposing leaves release acids in the water which are beneficial to these delicate fish and which elevate global water quality.

As mentioned before, these fish are very sensitive for any change in water quality so regular water changes are a must.

These fish habit the lower and middle layers of the tank.

Water

Temperature: 25 – 28 °C
pH: 5 – 6
gH: 0 – 4

As mentioned, these fish are very sensitive to water quality. To measure the waste in the water the Redox can be calculated.

Reproduction

Breeding Rams is quite easy when you have healthy fish. Make sure the parents are well fed. They are substratespawners, the female will lay here eggs on different spots in the tank. Around 200 eggs will be deposited on plants, dimples in the substrate, rocks or ornaments. Both parents will defend their nest vigorously.

The best practice is to use a breeding tank with a sand substrate, some Java moss and rocks. You want nearly no current in the tank and dimmed lighting. When the young hatch, the parents will move them so they will take them into their mouths. Never feed them daphnia, as this resembles their fry too much. When there is more parental care the parents can be transferred to their tank. You can feed the fry artemia nauplii.

 

 

Sources
Seriouslyfish.com; fishbase.org; wikipedia.org;

Author
Coby – J. de Lange

Copyright pictures
J. de Lange

Hristo Hristov

 

Additional information

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Diet

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