Alex Mustard / Common seahorse (Hippocampus kuda) female wrapping her prehensile tail around piece of wood on the seabed. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Portrait of a male short snouted seahorse (Hippocampus hippocampus) in sea oak seaweed (Halidrys siliquosa). Devon, England, United Kingdom. British Isles. English Channel. North East Atlantic Ocean.

Sergio Hanquet / Short-snouted seahorse (Hippocampus hippocampus) anchored on Red sea fan (Alcyonacea sp). Tenerife, Canary Islands.

Sergio Hanquet / Short-snouted seahorse (Hippocampus hippocampus) portrait. Tenerife, Canary Islands.

Sergio Hanquet / Short-snouted seahorse (Hippocampus hippocampus). Tenerife, Canary Islands.

Sergio Hanquet / Short-snouted seahorse (Hippocampus hippocampus) on sea floor. Tenerife, Canary Islands.

Sergio Hanquet / Short-snouted seahorse (Hippocampus hippocampus). Tenerife, Canary Islands.

Pascal Kobeh / Banded / Ringed pipefish (Doryrhamphus dactyliophorus), Sulu sea, Philippines

Alex Mustard / Common seahorse (Hippocampus kuda). The dark patch beneath his snout is his brood pouch. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Weedy seadragon (Phyllopteryx taeniolatus) male carries eggs through a kelp forest (Macrocystis pyrifera) in Tasmania, Australia. Tasmania is the only part of Australia with giant kelp forests. The ke...

Sue Daly / Short snouted seahorse juvenile (Hippocampus hippocampus) Sark, British Channel Islands, August.

Sue Daly / Greater pipefish (Syngnathus acus) Jersey, British Channel Islands, June.