Found living in gravel or sandy bottoms area. It is recognized from other sea horse species by three spot on trunk rings and distinctive sharp, hook-like spines on either side of their throat and above their eyes. Its body color varies from orange, brown, black and some individuals have zebra-striped pattern.

Solitary. This species can be found around sandy areas or bent around sea grass. Its color varies from yellow, brown to blackish. Has a small spots on the body and a relatively smooth crown. The size of the body can be up to 22 cm.

Small species living on gorgonian seafans of (Muricella) species. Their body is covered by tubercles of the same colour as their host (yellow, red, pink, orange or purple). Very well camouflaged.

Very small species, usually found living in association with gorgonian seafans, especially from (Annella sp) and (Muricella sp) . Commonly their body color is orange or red with white tubercles. Very well camouflaged with their seafans host.

Often found with its tail wrapped around sponges or algal outgrowths. Mostly solitary but can be occasionally seen in small groups. It is easily recognised from other sea horse species by its spiky body and long snout. Its colour can range from white, yellow, and green, orange to red.

Very small species, usually found on hydroids among algae and ascidians on rocky reefs. Often in swell or current swept areas. Green, yellow, brown with red markings and white in color with small skin flaps. Discovered in Bunaken national park