Scuba Season

Longsnout seahorse

Hippocampus reidi

Sighting evidence at Robert Lagoon, Martinique

Longsnout seahorse

Photo: mollylynch · CC BY-NC

The longsnout seahorse is the primary Caribbean seahorse species and an iconic inhabitant of seagrass beds and sheltered lagoons. Males carry fertilised eggs in a ventral brood pouch, experiencing true pregnancy and giving birth to fully formed miniature seahorses. They anchor to seagrass blades and gorgonians with their prehensile tails and ambush mysid shrimps and other small crustaceans with a rapid snout-strike that generates powerful suction. Their cryptic coloration — ranging from yellow to orange to black — makes them extremely difficult to spot without a trained eye.

Evidence at this site

6 records within 25 km

Confidence: medium

Seasonality

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How is this calculated?

Sighting evidence is compiled from iNaturalist observation records within a set proximity radius, filtered for quality-grade observations. “Last confirmed” is the date of the most recent research-grade record. Record count covers a rolling 24-month window. Confidence reflects record count, recency, and consistency of seasonal signal.

Also seen at other sites