Paul Souders/ Worldfoto / Lesser Flamingo (Phoenicopterus minor) flock nesting on island, Lake Natron, Tanzania

Paul Souders/ Worldfoto / Lesser Flamingo (Phoenicopterus minor) nesting colony, Lake Natron, Tanzania

Paul Souders/ Worldfoto / Red algae and salt formations, Lake Natron, Ol Doinyo Lengai, Tanzania

Floris van Breugel / Alkali fly (Ephydra hians) underwater in protective air bubble, Mono Lake, California, USA.

Juan Carlos Munoz,Juan Carlos Munoz / Lesser flamingo (Phoeniconaias minor) portrait, Lake Bogoria, Rift valley, Kenya, Africa

Juan Carlos Munoz,Juan Carlos Munoz / Two Lesser flamingos (Phoeniconaias minor) one feeding the other running, Lake Nakuru NP, Rift Valley, Kenya

Juan Carlos Munoz,Juan Carlos Munoz / Lesser flamingos (Phoeiconaias minor) feeding in still lake, Lake Nakuru, Rift valley, Kenya, Africa

Shane Gross / Lined seahorse (Hippocampus erectus) holding onto a red mangrove shoot in a land locked alkaline lagoon on Eleuthera, Bahamas.

Shane Gross / Caribbean reef octopus (Octopus briareus) hunting in a land locked alkaline lagoon, The Bahamas.

Shane Gross / Aerial view of an inland land locked alkaline lagoon on Eleuthera Island, Bahamas. February 2018.

Shane Gross / Lined seahorse (Hippocampus erectus) male clinging to algae in a land locked alkaline lagoon on Eleuthera Island, Bahamas.

Shane Gross / Lined seahorses (Hippocampus erectus), one male and one female, clinging to algae in a land locked alkaline lagoon on Eleuthera Island, Bahamas.