Name:   Haplochromis sp. "blue obliquidens"

Synonym:   

Common name:   

Location:    Lake Victoria

Adult size:    males: 4 inches (10 cm),   Females: 3 inches (7 cm)

Diet:    Algae

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Personal notes:  I received nine of these Haplochromis sp. "blue obliquidens" as 1 inch unsexed fry/juveniles in October of 2010 from a hobbyist in California.  They're offspring from a group that was imported from Germany in the spring of 2010.  I was somewhat unlucky in that I ended up with 7 males and 2 females.  I grew them out in a 15 gallon, then 30 gallon and finally placed them in a single species 55 gallon tank.  By that time the much larger dominant male had killed two of his rivals and so I moved the remaining males into my 180 gallon catch-all tank for safe keeping.  They bred twice in the summer of 2011 but the female spit the fry one day and then ate them all the next day so I learned to be much quicker on the female removal.  One of the two females died and I assumed I may never get the colony I desired.  But in the fall of 2011 the lone remaining female gave me a nice group of around 12 fry.  And she is once again in a breeder tank as I write this.  As a "pair" (they are not a pair-bonding species) They have consistently bred, yet I frequently have to remove the female to recuperate from the overly aggressive male that wants to breed constantly.

My 1.5" juvenile male is shown above.  One of the unusual things about the blue obliquidens is that the males are red as juveniles.  The dominant male turns completely blue but the sub-dominant males retain some red for awhile until they too turn completely blue.

 Above you can see the subdominant males that I had to move to another tank so that they wouldn't be killed by the very aggressive dominant male.  It's unusual for Victorian subdominants to show more red coloration than the dominant male victorian cichlid.  But it's common that the vertical and horizontal barring is more prominant in the subdominant male Victorians

The young 2 inch dominant male above has lost his red color

Above is the adult 4.5 inch (11 cm) dominant male Haplochromis sp. "blue obliquidens".  It's beauty is a bit more muted than some of the other Victorian cichlids but it is a very nice fish none the less.  I moved the dominant male and the lone remaining adult female into a divided 75 gallon tank.  They must like it since they bred within a week of the move. 

 

Above you can see the subdominant males that I had to move to another tank so that they wouldn't be killed by the very aggressive dominant male.  It's unusual for Victorian subdominants to show more red coloration than the dominant male victorian cichlid.  But it's common that the vertical and horizontal barring is more prominant in the subdominant male Victorians

Above you can see the 2 inch (5 cm) adult female on the left and the 1.25 inch juvenile female on the right.

 

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see also:

AfricanCichlids.net

Victoriasee-Cichliden.de

Cichlid-Forum

Ciklid.org

VictorianCichlids.de

Aquarium-Webzine