[6][8][9][1] The longsnout seahorse ranges from black to yellow, red, orange and brown with multiple white dots usually on the tail.

[6][11][10] The long-snouted seahorse has a carnivorous diet and feeds on small crustaceans, larvae, fish eggs and other planktonic organisms.

The latter includes villi rich in capillaries that surround each fertilized egg, creating a sort of placenta supplying the embryos.

The long-snouted seahorse is relatively rare, and limited data exist on its population and about the volume and the impact of trade for traditional Chinese medicine and for the aquarium.

This means that it is on the list of species not necessarily threatened with extinction, but for which trade must be controlled in order to avoid utilization incompatible with their survival.