Pair of Mikrogeophagus ramirezi

Rediscovering the German Blue Ram – Microgeophagus ramirezi

Microgeophagus ramirezi originates from the Llanos.The Llanos is the savannah grasslands of the central Orinoco drainage in lowland Venezuela and Columbia. M.ramirezi is also found in the upper part of the Orinoco delta. It is not an Amazonian fish. This beautiful South American species has many names. It is known as: Ram, Butterfly dwarf cichlid, German Blue Ram, Papiliochromis ramirezi and Apistogramma ramirezi. The scientifically correct name is Microgeophagus ramirezi according to Dr. Sven O Kullander, Senior Curator, Dept. of Vertebrate Zoology, Swedish Museum of Natural History. (editor: current valid genus name is Mikrogeophagus)

My first encounter with this colorfull and popular species happened many years ago. The owner of my LFS (Local Fish Store) managed to breed the German Blue Ram, a colorful domestic bred strain of Microgeophagus ramirezi, in one of his tanks at home. He had one gorgeous male left which I had to take home. Unfortunately, it took a while before I was able to find a female for him. A few weeks later the same store got a shipment of German Blue Rams in. I bought two good looking females with bright pink bellies. Those females were very short lived. Unfortunately, I ended up buying more females everytime they got a shipment in.

Ending with the same results, the females usually didn’t last longer than two months. I found out later that those Rams were mass produced in Asia. Asian bred Rams are usually loaded up with hormones to stimulate egg production and to make them look really good right out of their shipping bag. Adult Rams show their best colors only after they have settled in their new environment and feel secure in it. Juvenile Rams don’t develope their full color until they they’re sexually mature. Stay away from young specimens that look great in the dealers tanks. Most Asian Rams are infertile and not suitable for breeding.

I decided to stay away from this species because of the above mentioned problems. I chose to keep the similar, not as colorful, but less sensitive German Rams bigger brother, the Bolivian Ram – Microgeophagus altispinosa instead.

Mikrogeophagus altispinosa
Mikrogeophagus altispinosa

I just recently got interested in the German Blue Rams again and decided to give them another try. This time I wanted to make sure that I’m getting pairs of either wild caught or domestic bred stock. I found two different sources for domestic bred Rams and bought three pairs from each source to begin with. They were kept quarantined in a 30g holding tank for two weeks just to make sure that they didn’t carry any diseases. A bonded pair was chosen out of the three and moved to their own 10g tank. You can tell that a pair has bonded when they seem to stick more together. They will also team up against other fish and chase them away.

Female Mikrogeophagus ramirezi
Female Mikrogeophagus ramirezi

1 st day
It took my pair about a week and a water change before they decided to clean a spot on top of a pebble. Male and female spent a lot of time cleaning their chosen spawning site. I knew then that something was going on. Sure enough, I found a medium size clutch of about 100 eggs on the pebble later that afternoon. This was the pairs first spawn. According to Linke and Staeck’s book “American Cichlids 1: Dwarf Cichlids” M.ramirezi is known to produce clutches of more then 200 eggs! Unfortunately I was unable to watch the actual spawning. The color on the male and female really intensified after they had spawned. My pair are still juveniles and I expect bigger spawns in the future. I tried to get some decent shots of the spawning site. Unfortunately the pair chose a spot in the back of the tank[stinkers:)], getting clear macro shots from that distance was impossible.

Female Mikrogeophagus ramirezi depositing her eggs
Female Mikrogeophagus ramirezi depositing her eggs
Freshly hatched wiggler with yolk sack still attached
Freshly hatched wiggler with yolk sack still attached

The one thing that stood out right away was that male and female where taking turns fanning and guarding their eggs. This is a different breeding behavior than eg. Apistogramma families where the female guards the clutch and the male guards the surrounding territory.

Female Mikrogeophagus ramirezi cleaning her two day old eggs
Female Mikrogeophagus ramirezi cleaning her two day old eggs

2 nd day pm
The female moved all the eggs/hatchlings into a pit in the back of the tank ,behind a piece of driftwood. I was able to tell later that the eggs had hatched by some short quick swimming motions of the wigglers. Again, male and female took turns guarding their hatchlings. When one partner left the wigglers the other took immediately over. The temperature was moved up to 84 F at this time to ensure fry survival.

2 Day old wigglers, hatched 10/12/02
2 Day old wigglers, hatched 10/12/02 

3 rd day
The male started attacking the female really badly this morning, so I moved her out of the breeding tank and back into the holding tank. This makes me wonder if the same thing would have happened in a bigger tank than in my 10g tank?

5 th day
I usually don’t get too excited anymore breeding my fish , but today was truly a fun day. I witnessed 3 of the fry free swimming this morning. The very excited male went straight after each one and picked them up with his mouth. What looked like fry chewing turned out to be some kind of cleaning attempt .He spit them out at the same spot where they were picked up, he then went straight back to the pit to clean the rest of the fry. The fry already lost their yolk sack and it was time to feed them their first Infusoria* and Microworm meal. This is also a good time to start a new batch of Baby Brine Shrimp(BBS). The fry will be able to eat freshly hatched BBS in a few days from now.

6 th day
Wow, what a surprise this morning. I got my first glance at all the youngens. The male paraded/guarded a fairly large school of very hungry fry around the tank . The tiny free swimmers seem to be a little bit bigger than Tetra fry. I fed them a squirt of Microworms which were eagerly eaten, followed by another squirt of fresh hatched BBS. Some of the fry ate a few shrimp, but it seems that the Artemia nauplii is way to big for their tiny mouth right now. I’ll continue feeding a mix of BBS and Microworms. I was amazed by the movement of the youngens. They are all over the place and the male has a hard time keeping them together. He goes after every stray and picks them up with his mouth to spit them back into the group. I managed to get some pictures this morning: Male with a school of first day free swimming fry.

So far everything seems fine. I made a 25% WC this morning due to heavy feeding of Microworms and BBS. It was fun to watch the male attacking the vacuum tube.He really went after it and even got caught inside the tube. He really turned out to be a good father and guards his fry around the clock.

Mikrogeophagus ramirezi male with 2 day old fry
Mikrogeophagus ramirezi male with 2 day old fry
Mikrogeophagus ramirezi fry close-up
Mikrogeophagus ramirezi fry close-up

10 th day
Last night, 20 min. before lights out, the male decided to dig a new pit in front of the tank. He used his caudal fin almost like a shovel to form a 1.5″ diameter, 1″ deep depression into the sand. You could literally see the sand flying .The whole school of fry was let into the pit for “bed time” after the male finished digging. Unfortunately, I was unable to take photos of the actual digging but managed to get some shots of the male in the new pit surrounded by youngens:

The male surrounded by 5 days old fry in a fresh dug pit.
The male surrounded by 5 days old fry in a fresh dug pit.

12th day
The temperature in the tank was gradually lowered back to 81 F. The fry grew to almost double their hatching size now. I noticed this morning that the fry were staying very close together near the substrate and weren’t following the male as much. I don’t know if this behavior is temperature related or caused by the fear of predation by the camera or me. A second pair started to show breeding signs in the holding tank this morning. The females belly looked very plum and pink. I moved the pair to a similar 10g tank that was set up in expectation of the next spawn last night.

The male looking over his 1 week old fry.
The male looking over his 1 week old fry.

14 th day
The fry are growing at a good pace. Everybody eats BBS now. I stopped feeding Microworms to keep up water quality. BBS live up to 12hrs in a freshwater tank. This ensures a constant food supply for the youngens. I squirt BBS in the tank twice a day, mornings and evenings, three hrs before the tank lights go out.

Male with 8 day old fry
Male with 8 day old fry

15 th day
The fry are growing into the typical Ram body shape. Their bodies are still transparent. My wife and I are amazed at the fast growth now. We can really tell the difference in size from morning to evening.

17 th day
I moved the male out of the breeding tank . He seemed to have lost his interest in guarding the juveniles. The usual attacks of the vacuum hose stopped during my biweekly 25% WC’s. The juveniles reached about 5mm TL and are now ready to survive on their own.

Close-up of a 1 month old juvenile.

21st Day
The juveniles reached about 8mm in total length. They are still growing strong. They were fed a mix of crushed flake food, BBS and Cyclop-eeze for the first time this morning. I’ll wait one more week before they will be moved to a larger grow out tank. I’ll move my breeding pair back into this tank once the juveniles are moved to their new quarters. I hope you enjoyed this breeding journal and that it will help you to breed this very colorful and interesting species someday, too. Note: I probably raised over 1000 ram fry since this article was written. I still enjoy finding a new batch of eggs deposited on a pebble or a turned over flower pot in my tanks. It’s still quite a challenge for me to raise Ram fry from eggs to a sellable size. I changed my breeding technique to a more commercial approach nowadays and hatch 90% of the spawns artificially in specially setup hatching and grow out tanks. I also noticed that I got much better hatch rates by using straight R/O water in my breeding and hatching tanks. We keep our line of Rams strong by adding new blood every year to avoid inbreeding.

*I always keep a handful of Java Moss in all of my breeding tanks. The micro organisms aka Infusoria found in the Java moss make an excellent first meal for hungry small fish fry such as Ram fry.

The breeding tank setup
Size: 10g
Water specs.:Ph 7.4,TDS 120ppm
Spawning at Temp.81Deg.F Rearing: 84F following Mike Jacobs earlier suggestions on the Apisto list Substrate:Pool filter Sand
Decoration: Planted driftwood, one flowerpot, three granite pebbles
Plants: Java fern, Java moss, Anubia var.barteri, Babytears, Echinodorus tennellus

This is a picture of the 10g breeding tank.
This is a picture of the 10g breeding tank.

The school of fry is above the pebble on the right. The breeding tank was set up as natural as possible with intentions to witness Microgeophagus ramirezi’s quite interesting natural breeding behaviors and to get good photographic results. Tank Size 10 – 20 gallons a pair for breeding. Larger community tanks for keeping several pairs. Rams do great with Discus and other South American Dwarf Cichlids. Recommended Breeding Conditions TDS<80ppm, Temp.81-85 Deg. F. ,PH <7.0 Note: We keep the fry in our hatching tanks until they are big enough to be moved to larger growout tanks. All our hatching and growout tanks receive 50% Waterchanges with either pure R/O or special filtered / aged tapwater. All our fish get the highest quality frozen, live and dry foods.

Source

Aquarticles.com (no longer available)

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