JimenaGB on X: "Here is an underwater selfie of the herbivorous fish Petrochromis ephippium, a cichlid species only found in Lake Tanganyika, East Africa. This species has distinct & color variants distributed
![Beautiful obsession: a 20-year mission in waters of Lake Tanganyika | Wildlife photographer of the year | The Guardian Beautiful obsession: a 20-year mission in waters of Lake Tanganyika | Wildlife photographer of the year | The Guardian](https://i.guim.co.uk/img/media/72cb3954e33d4db51c409884e66a6207a80d078f/0_128_3690_2213/master/3690.jpg?width=300&quality=45&auto=format&fit=max&dpr=2&s=365600d8a73405658d60b17a5d67908c)
Beautiful obsession: a 20-year mission in waters of Lake Tanganyika | Wildlife photographer of the year | The Guardian
![Lake Tanganyika, shores of Ikola, shallow sediment free rocky habitat, Tanzania, 447 L – Biotope Aquarium Lake Tanganyika, shores of Ikola, shallow sediment free rocky habitat, Tanzania, 447 L – Biotope Aquarium](http://biotope-aquarium.info/wp-content/uploads/Lake_Tanganyika_shores_of_Ikola_shallow_sediment_free_rocky_habitat_Tanzania_1-1024x399.jpg)
Lake Tanganyika, shores of Ikola, shallow sediment free rocky habitat, Tanzania, 447 L – Biotope Aquarium
![The shallow rocky underwater habitat around Likoma Island, Lake Malawi, is the home of hundreds of species of cichlids, adapted to fill every niche in the lake's ecosystem. | Michael Patrick O'Neill The shallow rocky underwater habitat around Likoma Island, Lake Malawi, is the home of hundreds of species of cichlids, adapted to fill every niche in the lake's ecosystem. | Michael Patrick O'Neill](https://www.mpostock.com/img-get/I0000XGB0r0fBM60/s/1200/I0000XGB0r0fBM60.jpg)
The shallow rocky underwater habitat around Likoma Island, Lake Malawi, is the home of hundreds of species of cichlids, adapted to fill every niche in the lake's ecosystem. | Michael Patrick O'Neill
![Lake Tanganyika, shores of Ikola, shallow sediment free rocky habitat, Tanzania, 447 L – Biotope Aquarium Lake Tanganyika, shores of Ikola, shallow sediment free rocky habitat, Tanzania, 447 L – Biotope Aquarium](http://biotope-aquarium.info/wp-content/uploads/photo-gallery/imported_from_media_libray//Lake_Tanganyika_shores_of_Ikola_shallow_sediment_free_rocky_habitat_Tanzania_2.jpg)
Lake Tanganyika, shores of Ikola, shallow sediment free rocky habitat, Tanzania, 447 L – Biotope Aquarium
![Kushangaza at Halembe in Lake Tanganyika, and Observations on Brichard's Tropheus - AMAZONAS Magazine Kushangaza at Halembe in Lake Tanganyika, and Observations on Brichard's Tropheus - AMAZONAS Magazine](https://www.amazonasmagazine.com/wp-content/uploads/2015/03/tropheus_sp_lukuga_kalela.jpg)