Pygmy seahorse

Family Syngnathidae is part of order Syngnathiformes, which contains fishes with fused jaws that suck food into tubular mouths.

So effective is pygmy seahorse camouflage that it was discovered only when a host gorgonian was being examined in a laboratory.

In 1969 a New Caledonian scientist, Georges Bargibant, was collecting specimens of Muricella spp gorgonians for the Nouméa museum and whilst one of these was on his dissection table he happened to notice a pair of tiny seahorses.

Other distinctive pygmy seahorse characteristics include a fleshy head and body, a very short snout, and a long, prehensile tail.

Pygmy seahorses are 14–27 millimetres (0.55–1.06 in) long from the tip of the tail to the end of the snout, so that their vertical height while swimming is still smaller.

Well-camouflaged pygmy seahorse on a gorgonian coral Muricella sp. See this image to identify the pygmy seahorse.
A pygmy seahorse found at a depth of around 32 metres (105 ft) at Tulamben near a shipwreck
Pygmy seahorse found while diving Nudi's Fall, Lembeh, Indonesia