Pseudepiplatys annulatus (Clown Killifish) - even smaller than the Badis(!), these guys are a favorite because they look like little rocketships when they're moving. The blue and red on their tails is iridescent and really striking in real life.
Goliath Tigerfish: Congo River in Africa Locals say it's the only fish that doesn't fear the crocodile, and will even devour some of the smaller ones! In rare instances, it's also been known to attack humans.
Callochromis pleurospilus originate from the shallows and shorelines of Lake Tanganyika, where they forge a living within the sediment rich coast areas of the lake where the plant vegetation meets the lake. Male Callochromis Cichlids spend their time patrolling and protecting a small territory, where they will aggressively chase off other males and similar sized other species. Female Callochromis Cichlids stay in a small group that will live with a single male in the males territory.
Pseudocrenilabrus nicholsi - ~3.5" cichlid with wide range in most of Africa, excluding West Africa and central Africa north of the Congo. mildly aggressive or peaceful, mixed information, mouthbrooder