Labeotropheus Trewavasae

Labeotropheus Trewavasae
Labeotropheus Trewavasae
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Scientific NameLabeotropheus Trewavasae
Common Name(s)Marmalade
Geographical OriginWest Trumbi | Mara Rocks
HabitatRocky Habitat
Aquarium TemperamentAggressive
Gender DifferencesDimorphic| Males present purple color and orange while females are
single color.
BreedingMaternal Mouthbrooder
Maximum Size~ 7 inches | 16 cm
pH7.8 – 8.6
Water HardnessHard
Temperature 78 – 82°F | 25 – 27°C
Recommended Aquarium70 Gallons | 300 Liters
Aquarium Notes Provide plenty or rocks for it to see wild behavior.
  • Labeotropheus Trewavasae is also known in completely blue races but the variant at Nkhata Bay is cobalt-blue and may thus be distinguished from the navy-blue L.fuelleborni at the same location.
  • The second color pattern present in both species is a blue body and an orange or red dorsal fin.
  • The third pattern consists of a yellow, orange or rusty brown coloration on the flanks, belly or dorsal part of the body.
  • These three color patterns are a part of the genetic variation of the two species. The basic color seems to be entirely blue as this is the color seen in almost all regions where only one of the two species is present.
  • The presence of one of the other two patterns seems to have originated in a random fashion. It probably helped to differentiate between the two species when they came into contact (or it became the only way to differentiate).
  • At each location, the process of chance expression of a pattern and the subsequent sexual selection developed into today’s checkered distribution of the various colour patterns.
  • The color pattern of L. trewavasae varies more abruptly between adjacent populations than that of L. fuelleborni. L. fuelleborni is able to cross sandy areas in shallow water along the shoreline.
  • L. trewavasae is restricted to the deeper parts of the habitat and may thus never have genetic contact with nearby populations.
  • In the aquarium, you should always keep Labeotropheus Trewavasae in extended families of 2 males and 6 females with plenty of rocks available.
  • The rocks should be well lighted so that they develop algae on them; only then you will have a chance to see this wonderful cichlid with its normal behavior grazing the rocks.
  • Their unique shape is what makes them special, but be careful since they grow quite big for a Mbuna, one of the biggest.

Special thanks go towards people that provided pictures and videos to make this article possible: AD Konings with his relentless research on African Cichlids.

Also towards: terry myers sr , Morten S. Jensen and World Cichlids for helping me with video footage. is forever grateful.
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One comment

  1. Beautiful fish for sure but, why did you concentrate on only the marmalade cat? Not to mention I believe that name was reserved for males exclusively not females. It seems your links to contact you or share a photo no longer works. I was hoping you might help ID a male I acquired accidentally really. I picked up a m/f pair from a local breeder and decided I should have a couple more females and picked up 2 F a couple months later. Well, the color of one of the three females was a little off but, I didn’t think too much about it until after maturity it became obvious I had 2 M & 2 F!! What I don’t know is if this 2nd male is a hybrid. All 4 fish came from the same source. When I contacted the breeder I got them from he’s a bit confused and uncertain how that came about, apparently he wasn’t breeding these himself so, it’s possible he’s some type of hybrid. Anyhow, I’ll gladly send some pics if you can let me know where to do that. Thanks for doing what you do.

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