On second thought there are other species of cichlids that you could have in a 29!!!
Here are some examples:
Tanganyika Mini-Community
If you wanted three pairs (groups) of fish:
• 'Lamprologus' (Shellies) brevis, multifasciatus, melegaris, ornatipinnis, ocellatus, speciosus, similis, Neolamprologus signatus, Altolamprologus sp. "Compressiceps Shell"
• Neolamprologus caudopunctatus (non-Shellies)
• Julidiochromis ornatus or transcriptus
• Telmatochromis bifrenatus, brichardi or vittatus
• Paracyprichromis nigripinnis,
• Xenotilapia flavipinnis
Shell Dweller Aquarium
• 'Lamprologus' brevis - 1 pair
• 'Lamprologus' stappersii - trio
• Ancistrus temminckii "Bristlenose Pleco" - 1
• 'Lamprologus' multifasciatus - 5
• Brachydanio rerio "Zebra Danio" - 3
• Ancistrus temminckii "Bristlenose Pleco" - 1
• Alto. sp. "Compressiceps Shell"- 1 pair
• 'Lamprologus' caudopunctatus - 1 pair
• 'Lamprologus' similis - 1 trio
• Julidochromis regani - 1 pair
• Neolamprologus leleupi - 1 pair
• 'Lamprologus' occelatus - 1 trio
• Telmatocrhomis vittatus - 1 pair
• Lepidiolamprologus hecqui - 1 pair
• Synodontis petricola - 3
You could aim to have two pairs of fish. Your choice: (Works for 29gal also)
• Julidochromis regani - 1 pair
• Neolamprologus leleupi - 1 pair
• 'Lamprologus occelatus- 1 trio
-OR-
• Altolamprologus calvus or compressiceps pair
and one of:
• 'Lamprologus' (Shellies) brevis, multifasciatus, melegaris, ornatipinnis, ocellatus, speciosus, similis or neolamprologus signatus
Normally one would get six young individuals of these fish, and remove the balance of the fish once they have a pair. If you wanted three pairs (groups) of fish.
If you wanted three pairs (groups) of fish:
• 'Lamprologus' (Shellies) brevis, multifasciatus, melegaris, ornatipinnis, ocellatus, speciosus, similis, Neolamprologus signatus or Altolamprologus sp. "Compressiceps Shell"
• Neolamprologus caudopunctatus (non-Shellies)
• Julidiochromis ornatus or transcriptus
• Telmatochromis bifrenatus, brichardi or vittatus
Victoria & Malawi Combo
• Haplochromis sp. "Ruby Green" - trio
• Metriaclima livingstonii - 5
• Ancistrus temminckii "Bristlenose Pleco" - 2