Deep-water habitat over sand or mud substrate.
Collected at depths of approximately 125–128 m.
Geographic distribution:
Endemic to Lake Malawi. Known only from Senga Bay.
Typical adult size:
Up to 12 cm total length.
Diet:
Presumed to feed on small benthic macroinvertebrates associated with soft deep-water substrates,
similar to other deep-water members of the genus.
Breeding:
Unknown. Presumed maternal mouthbrooder, consistent with other Lake Malawi haplochromines.
Aggression:
Unknown.
Special notes:
Alticorpus sp. 'mentale bicuspid' is regarded as a potentially undescribed species.
It is currently known only from a single locality and a very narrow depth range.
The taxon has not been evaluated by the IUCN and is absent from the aquarium trade.
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