Trematocranus is a small genus of haplochromine cichlids endemic to Lake Malawi.
Species There are currently four recognized species in this genus, with a new species described in 2018.
Trematocranus brevirostris Trewavas, 1935 (Incertae sedis) Trematocranus labifer (Trewavas, 1935) Trematocranus microstoma Trewavas, 1935 (Pointedhead Haplo) Trematocranus pachychilus Dierickx, Hanssens, Rusuwa, Snoeks, 2018 Trematocranus placodon (Regan, 1922)
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