HideShark

Head to head

Pygmy Seahorse vs Seahorse

Pygmy Seahorse
VS
Seahorse

The pygmy seahorse and the common seahorse belong to the same genus and share the same basic seahorse body plan, but the scale of the difference between them is dramatic, one barely visible against its host coral, the other many times larger and found across a much broader range of coastal habitats.

Pygmy Seahorse Seahorse
Scientific name Hippocampus bargibanti Hippocampus kuda
Typical size Well under 2 cm About 17 to 30 cm
Habitat A specific gorgonian sea fan coral Seagrass meadows, mangroves, estuaries, coral rubble
Camouflage Extremely precise match to its host coral General camouflage, less extreme
Range Western Pacific Broad Indo-Pacific
Reproduction Male carries developing young Male carries developing young in a brood pouch
Diet Carnivore, tiny crustaceans and zooplankton Carnivore, tiny crustaceans such as copepods
Conservation status Not Evaluated Vulnerable

Pygmy Seahorse vs Seahorse: common questions

How much smaller is the pygmy seahorse than a common seahorse?

Dramatically smaller; the pygmy seahorse is typically well under 2 centimetres long, while the common seahorse reaches roughly 17 to 30 centimetres, many times the pygmy's size.

Do both the pygmy seahorse and common seahorse have male pregnancy?

Yes, both species share the seahorse family's distinctive reproductive trait in which the male carries the fertilised eggs, in this case in a specialised brood pouch, until they are ready to be released.

Which is harder to find in the wild, the pygmy seahorse or the common seahorse?

The pygmy seahorse is far harder to find, since its extreme camouflage against a specific host coral kept it unknown to science until a specimen was discovered by accident, unlike the more visible and widely recorded common seahorse.

Read the full guides

More comparisons