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Short-snouted seahorse

Distribution : English Channel, eastern Atlantic and Mediterranean. Lagoons and sedimentary coastal seabeds, including the Gulf of Lion; occurs within the first 30 m and is not exclusively dependent on seagrass.

Finding a short-snouted seahorse often begins by changing pace: slowing over an unremarkable seabed, inspecting small supports and allowing a previously hidden outline to become visible. The action happens at a small scale, both in approaching prey and in holding position near the substrate.

Habitat of Short-snouted seahorse Habitat
Sand, Seagrass meadow, Rocky habitat
Depth range of Short-snouted seahorse Depth
0-30 m
Biological group of Short-snouted seahorse Group
Ecological role of Short-snouted seahorse Role
Predator

WHAT DOES IT LOOK LIKE?

The short-snouted seahorse is a small fish with a curved neck, short tubular snout and a body supported by bony rings. Its prehensile tail curls around a support, while the small translucent dorsal fin contributes to swimming. Colours include dark shades, green and brown. Maximum length is around 12–15 centimetres. Head profile and snout proportions are more informative than an isolated colour or skin filament.

WHERE DOES IT LIVE?

It occupies lagoons and relatively sheltered coastal water over muddy sand or habitats combining relief and loose sediment. The described range extends from the surface to thirty metres. Algae, seagrass and other small objects may provide attachment. Gulf of Lion records are not restricted to lagoons. Describing it as a seahorse living exclusively in seagrass would therefore omit part of its ecology.

WHAT DOES IT EAT?

The tubular mouth sucks in small living prey. Planktonic and benthic crustaceans are among documented resources. The animal may lower its head near the sand and move slowly before rapid suction. Stillness and camouflage do not imply absence of predation. Small prey size also explains why feeding can be difficult to interpret with the unaided eye, even when the fish’s posture is clearly visible.

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Short-snouted seahorse

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