Lamprologus congoensis. AMNH​

For fans of West African cichlids, specifically from the Congo River, the American Museum of Natural History has a fantastic collection of images. Everything from Hemichromis, Lamprologus, Nanochromis, Steatocranus and more. Not just x-rays of the fish, but live specimen pictures too. This great resource is part of The Congo Project and can be found here.