Shane Gross / Lined seahorse (Hippocampus erectus) camouflaged holding onto a tree branch near the surface in a land locked alakaline lagoon on Eleuthera, Bahamas.

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.

Shane Gross / Lined seahorses (Hippocampus erectus) amongst corals, The Bahamas.

Norbert Wu / Spotted Seahorse (Hippocampus erectus) male brooding eggs camouflaged in reef, West Palm Beach, Florida

Norbert Wu / Spotted Seahorse (Hippocampus erectus) male brooding eggs, West Palm Beach, Florida

MYN / Paul Marcellini / Lined / Northern seahorse (Hippocampus erectus) Biscayne National Park, Florida, USA, January. meetyourneighbours.net project

MYN / Paul Marcellini / Lined / Northern seahorse (Hippocampus erectus) Biscayne National Park, Florida, USA, February. meetyourneighbours.net project

MYN / Paul Marcellini / Lined / Northern seahorse (Hippocampus erectus) Biscayne National Park, Florida, USA, February. meetyourneighbours.net project

Michele Westmorland / Northern / lined seahorse (Hippocampus erectus) male after birthing a pouch full of babies. St Vincent, West-Indies, Caribbean, May.

Michele Westmorland / Portrait of Northern / lined seahorse (Hippocampus erectus), St Vincent, West-Indies, Caribbean, May.

Michele Westmorland / Northern / lined seahorse (Hippocampus erectus), Grenada, West-Indies, Caribbean, May.