Hippocampus reidi reaches 18 cm. Medium to large West Atlantic seahorse (Caribbean, Brazil) with yellow-orange to red to brown body marked with distinctive small dark spots, low coronet, long snout. Lives from 1 to 55 m on seagrass meadows, gorgonians and rocky reefs. IUCN Near Threatened. Popular Caribbean dive photo subject. Note: Atlantic species, listed here by historical list error but present in North-Pacific aquariums.
Photo of Longsnout seahorse
Frequently asked questions
How big is the Longsnout seahorse?
Longsnout seahorse (Hippocampus reidi) reaches 10–18 cm in length.
At what depth can you find the Longsnout seahorse?
Longsnout seahorse is found between 1–55 m deep.
Is the Longsnout seahorse dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Longsnout seahorse?
IUCN status: Near threatened (NT).
Where can you find the Longsnout seahorse?
Found in: Caribbean, East Atlantic, Eastern Pacific.