Might Be Too Aggressive To Be A Tankmate: Psuedotropheus Demasoni


Psuedotropheus demasoni

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Psuedotropheus demasoni adult pictured. Males, females, and juveniles are colored identically making it somewhat difficult to sex them.

https://theaquariumexchange.com/wp-content/uploads/2021/04/demasoni2.jpg (16242 bytes)
  • Common Names:
  • Location collected from: Pombo Rocks
  • Approximate Size: Just over 2 inches is their max size although some can grow larger in an aquarium.
  • Food: Will eat flake, daphnia, brine shrimp, mosquito larvae, and mine scraped algae off of the rocks in their tank.
  • Water Conditions: Likes a pH of 7.5 – 8.5 and temperatures between 76 and 82 degrees F.
  • Breeding Behavior: Mouthbrooder.  Males are quite aggressive towards females.  Several females and lots of rock work are highly recommended.  Males will chase other fish from their territory so no more than 1 male per tank if females are present is also recommended.  Everytime my demasoni would spawn I would find another subdominate male dead.  The largest spawn I got from mine was 12 fry. 
  • Tankmates: I kept mine with Labidochromis sp. perlmutt, and Psuedotropheus aurora (for a short time).  I tried a Neolamprologus tretocephalus but the demasoni beat him up. They also chased the 4.5 – 5 inch frontosa that was in with them.  I have found that demasoni are more aggressive than any other African Cichlid I have kept. I have also found that any fish that has any blue coloring to them is not a good choice for a tankmate.  Other mbuna should do well if there is plenty of rocks and hiding places.

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