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Kribensis

Purple Cichlid ~ Rainbow Krib ~ Pink Kribensis Cichlid

Family: CichlidaeKribensis, also called the Purple Cichlid, Rainbow Krib, or Pink Kribensis CichlidPelvicachromis pulcherPhoto © Animal-World: Courtesy David Brough
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What fish can I keep with 2 kirbensis cichlids in a 20 gallon tank?  fish_are_awesome

   One look at this beautiful African cichlid and you can see why the Kribensis was an immediate hit when first introduced!

   The Kribensis is still a popular fish today, and a great choice for a new hobbyist interested in keeping cichlids. Beauty is one of their most attractive features and they have interesting behaviors. Being small in size makes them more manageable than many of the other cichlid species. They can be kept in a smaller aquarium and are relatively undemanding in their water chemistry as long as it is consistent. They are easy to keep, easy to feed, and are fairly easy to breed. We had a pair that promptly started spawning in a 10 gallon aquarium within a week of arriving.

   Though they vary in appearance depending upon the place of origin, the scientific name for the Kribensis says it best. This is a beautiful cichlid with a colorful belly. Other names for it in the hobby are the Purple Cichlid, Rainbow Krib, or Pink Kribensis Cichlid. In Germany it is called the 'King Cichlid' and the 'Magnificent Purple Cichlid'. Today they are nearly all captive bred, and albino varieties have been bred for several decades

   The Kribensis is a relatively peaceful and tolerant fish that can be kept in community aquariums. They like a heavily planted aquarium and though they burrow, they will not touch plants. They need an open swimming area but also plenty of places to retreat among rocks and wood. These fish form pairs and a closely knit family. The family will school together with the parents leading the school.

What's in the name?
  Pelva + chromis means  'belly' + 'color'
  pulcher means  'beautiful'

For more Information on keeping freshwater fish see:
Guide to a Happy, Healthy Freshwater Aquarium


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Geographic Distribution
Pelvicachromis pulcher
Data provided by FishBase.org
  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Actinopterygii
  • Order: Perciformes
  • Family: Cichlidae

Distribution:    The Kribensis, also known as the Purple Cichlid, Rainbow Krib, or Pink Kribensis Cichlid, was described by Boulenger in 1901. They are found in Africa inhabiting waters of southern Nigeria, the drainage area at the mouth of the Ethiop River. They are also found in the coastal zone of Cameroon. These waters can vary greatly from soft to hard and from fresh to brackish. They feed primarily on worms, crustaceans, and insects. Most specimens in the hobby are captive bred as wild caught fish are only occasionally imported.

Status:    This species is not listed on the IUCN Red List.

Description:    The Kribensis is a small colorful fish. They generally have a brown body with violet to deep purple iridescents and red blotches on the lower side. The dorsal and caudal fins have light or yellow edges and often have black spots surrounded in yellow. They vary in appearance depending upon the place of origin, with various color morphs such as yellow, red, green, and blue.

Kribensis, also called the Purple Cichlid, Rainbow Krib, or Pink Kribensis Cichlid
Photo © Animal-World: Courtesy David Brough

   The female is the most colorful and when spawning her belly turns to a beautiful brilliant cherry red. Albino varieties of this fish have been bred for several decades. They can live up to 5 years.
   All cichlids share a common feature that some saltwater fish such as wrasses and parrotfish have and that is a well-developed pharyngeal set of teeth that are in the throat, along with their regular teeth. Cichlids have spiny rays in the back parts of the anal, dorsal, pectoral, and pelvic fins to help discourage predators. The front part of these fins are soft and perfect for precise positions and effortless movements in the water as opposed to fast swimming.
   Cichlids have one nostril on each side while other fish have 2 sets. To sense "smells" in the water, they suck water in and expel the water right back out after being "sampled" for a short or longer time, depending on how much the cichlid needs to "smell" the water. This feature is shared by saltwater damselfish and cichlids are thought to be closely related.

Size - Weight:    The male grows to a length of 4" (10 cm), females are smaller reaching only 3" (7 cm).

Care and feeding:    Though the Kribensis is an omnivore, it primarily feeds on worms, crustaceans, and insects in the wild. In an aquarium it will generally eat all kinds of live, fresh, and flake foods. To keep a good balance give them a high quality flake food or pellet everyday. Feed brine shrimp (either live or frozen) or blood worms as a treat. Feed 2 to 5 small pinches of food a day in smaller amounts rather than a large quantity once a day. This will keep the water quality higher over a longer time. All fish benefit from vitamins and supplements added to their foods.
   A minimum 20 gallon tank is suggested. They do fine in either freshwater or brackish freshwater with good efficient filtration. Provide a substrate of fine dark gravel along with rocks, driftwood, and clay pots to create plenty of caves for retreating. They need some open space with plenty of swimming room on the bottom of the tank. They do enjoy densely planted aquariums. Make areas for them to "defend" by having natural divisions in the aquascaping.
   The Kribensis is a rewarding specimen to keep. It is easy to care for as it is relatively undemanding in its water chemistry as long as it is consistent. As most of these fish are captive bred, try to match the water parameters to those it was raised in. Otherwise use the water that you have available, just be consistent. Do water changes of 10% to 20% biweekly or weekly, more or less depending on stocking numbers. If water quality is ignored, as with all cichlids, disease and death can occur. One common problem is Ich. It can be treated with the elevation of the tank temperature to 86° F (30° C) for 3 days.

Water Region: Top, Middle, Bottom:    These fish will swim in the middle and lower parts of the aquarium.

Acceptable Water Conditions:    Hardness: 8-15° dH
   Ph: 6.5 to 7.5
   Temp: 75-77° F (24-25° C)

Social Behaviors:    They are a non-aggressive community fish. They like to live as pairs and will defend a territory. They like to burrow but do not disturb plants. They can be kept with their own kind as well as other peaceful fish, however they will tend to nip the fins on slow moving fish such as Angelfish.

Sexual Differences:    Though the male is more slender, he is noticeably larger with a broader forehead and has pointed dorsal and anal fins. The female has rounder fins, is more colorful, and will get darker at breeding time.

Breeding/Reproduction:    The Kribensis, Purple Cichlid, or Pink Kribensis Cichlid are egg layers and prefer to spawn in slightly acid water. The female is a sheltered substrate spawner and prefers spawning in caves where she will place 200-300 eggs on the cave roof. You can use an overturned clay pot or something similar in the aquarium.
   The female guards the eggs and the fry while the male defends the territory. The fry should be left with the parents until they spawn again. See the general description of how to breed Cichlids in Breeding Freshwater Fish.

Availability:    The Kribensis, also called the Purple Cichlid, Rainbow Krib, or Pink Kribensis Cichlid, is readily available both online and in fish stores and will range between $5.00 to $20.00 USD, depending on size.

Author: David Brough, CFS
Additional Information: Clarice Brough, CFS


Pelvicachromis Pulcher Kribensis Small Pelvicachromis Pulcher Kribensis Small
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Pelvicachromis Pulcher Albino Kribensis Pelvicachromis Pulcher Albino Kribensis
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Lastest Comments on Kribensis Cichlid

fish_are_awesome - 2011-10-10
What fish can I keep with 2 kirbensis cichlids in a 20 gallon tank?

Click For Replies (5)
  • Charlie Roche - 2011-10-10
    You could do other cichlids - ones that are about the same size. There are so many varieties and community fish and gorgeous colors.
  • David Brough - 2011-10-10
    Rams would be perfect indeed. Good choice!
  • fish_are_awesome - 2011-10-10
    Such as bolivian rams and german blue rams?
  • fish_are_awesome - 2011-10-11
    Thanks guys!
  • samiran roy,india - 2011-11-24
    I you are very interested in African cichlids,your tank size can easily keep a pair of ocellated shell dwellers. They look very good but come in a small package. They are blue.
Reply
Desire - 2011-11-16
Here in Holland we called them Cherry Belly Cichlids, because of the cherry coloured-and shaped- dot on their... belly...

Reply
bob - 2010-01-14
Is it neccesary to remove other cichlids or other fish from the tank when the breeding pair of krebensis are forging for food or just out and about? I noticed that they seem to be aggressive towards other fish in the tank , keeping them secluded away from the fry . Is this a stress factor for the other fish as thier movements are restricted . I currently have a 30 gallon tank with 1 convict cichlid, plus 1 electric yellow cichlid and another I havent identified (orange colored), besides the krebensis pair.

Click For Replies (1)
  • Julie - 2011-08-19
    I would remove all other bottom dwelling fish. I had a pair of spawning albino kribs in a 20-gallon with 2 other small female kribs, 1 catfish, two blue rams, and 1 small algea eater. The two spawning kribs (I suspect the male) killed the catfish, algae eater, and both other female kribs. The blue rams were fine since they avoided the bottom of my tank. Their movement is restricted but they seem to be doing fine and look very healthy (beautiful color). They still get chased around from time to time by my male krib though, especially at feeding time.
Reply
zagga - 2010-03-11
how long does it take for the kribs to pair and spawn, i had mine for 2 months... cheers

Click For Replies (4)
  • Harry - 2010-05-03
    Depends on a few things.

    1. Did you have a mature pair?
    2. Are you sure they paired off?
    3. Do they have sufficient spawning site?

    1. Its best to buy several is each sex if you can get mature kribs. They will show pairing behavior right away in a new tank. It is fairly easy to tell once they have paired because they will swim close to each other and can/will be slightly aggressive to any other kribs in the tank.

    2. See above. It is easy to see this even for a rookie.

    3. If they don't have a suitable to spawn they won't.

    Also keep in mind if you only have a pair there is no guarantee they will ever pair which is why its best to get several then seperate the ones who havent paired.

    My quickest spawn in my community tank when introducing kribs has been 3 days (that's just when I found the eggs). My slowest has been 2 weeks due to the fact that I was trying to get several pairs out of about 10 of them.

    Harry
  • krib lover - 2010-06-12
    I purchased a pair a a lfs that were paired when I bought them I watched a while and they came home with me on the 7th of May and by a month later they had spawned and now I have lots of fry..mom did not come out much for a while I figured something was happening I went to do the weekly tank cleaning and the pair were very upset...well I found a little while later after the male popped my hand while moving things around during cleaning there were babies..and a few days later they brought them out to look for food..these are very smart fish..and very protective..they even took me on! LOL.
  • krib lover - 2011-02-21
    They usually start as early as 8 months old.
  • Chris Norris - 2011-07-14
    Hey Zagga, I brought my to kribs and with in two weeks they paired and spawned but mine were two mature kribs as well. I have heard it can take a few mounths or happen straight away. I found an upside down flower pot gets things going. Hope I helped.
Reply
Chris Norris - 2011-07-14
Hi, my kribs have just had a batch of babies that have hatched and are free swiming in my tank now. I would like to no how do I clean and maintain my comunity tank with babies in it? Can use help me please? I'm not sure on what I can and can't do while they are in there thanks.

Click For Replies (1)
  • Charlie Roche - 2011-07-14
    You need to round up the babies and put them in a smaller tank - simetimes referred to as a growing tank. The adult cichlids will eat the babies. Good news is you can justify another tank.
Reply
renata - 2010-11-01
Hi I have a pair of kribensis and they now have 2 lots of fry in the tank when will I be able to separate the 1st lot of fry from the parents?

Click For Replies (1)
  • lorna - 2010-11-25
    I would say the babies can be separated from parents when they are about 4 months old around the size of a small tetra, that's just going by my experience and advice I have had from friends who have also breed kribensis.
Reply

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