August 17, 2009
Do you like the look of Altolamprologus calvus? I do, but I never realised a Tanganjika-tank since the 80es.
Some time ago I got a dozen of a similar species, not described and much smaller. They weren't easy to handle: very shy and grown up and big enough to sex them, gone into the snail shells. Preference always Heliix pomatia. They are not diggers at all.
Dominant specimen can be agressive. A aerea of 50x40 cm for 6 specimen is sufficient but even females try to suppress inferior females. It seems, that pairs establish themselves by "consensus". In case of the dominant male shown here it didn't work, the female is still hiding behind slate and longside-glas. In the compartement next to it (50x20 cm), it worked. After a long time waiting that anything happens, I could take pics of the first fry at a length of 6-7 mm, yellowish - due to the flash prononounced - with a characteristic white band. Eggs are said to be bilious green.
All specimen prefer a place in the background, but the breeding female stays at the frontside, the longest possible distance to the male.
The dominant specimen, about 4 cm
Watching, what is going on for hours. the eye just overlooking the brim of the shell
Ready to disappear at the slightest threat
The breeding pair. Male with nice lipstick-marking
Fry moving around, never hiding and even going up a slate for food
June 13, 2011
August 17, 2009
Not at the moment, Matt. I need some infos and hope to get them next week.
Generally they are declared as A. compressiceps "Sumbu shell". There seems to be a coexistence with a larger species.
"My" species remains small, about 5 cm for males, 4 cm for females. As the larger is labeled with the same name I would wait for the moment. There are too many non described variations around. Even labelling them as A. compressiceps "Sumbu shell" is doubtful.
Mine are aquararium-bred. H. Büscher caught some this year and I'm shure, he knows more.
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