SyngnathidaeMarine Fishadvanced

Hippocampus reidi Longsnout Seahorse Pair

Hippocampus reidi

Origin: Western Atlantic (captive-bred)

H

Water Parameters

Temperature2024 °C
15 °C35 °C
pH8.18.3
49

Quick Stats

Max Size
17 cm
Min Tank
150 L
Lifespan
3–5
Swimming Level
middle
Schooling
No
Diet
carnivore
Temperament
Peaceful; requires dedicated setup

About

Hippocampus reidi, the Longsnout or Brazilian Seahorse, is among the most popular seahorse species for marine aquarists. Captive-bred specimens from specialist breeders are trained to accept frozen mysis shrimp, dramatically improving survival compared to wild-caught fish. Males brood the young in a specialised pouch. Pairs form lasting bonds and should be kept together. Requires a dedicated seahorse tank — no strong flow, no fin-nipping fish, and a seahorse-specific diet fed multiple times daily.

Care Guide

Dedicated seahorse tank, no flow above 0.5 turnover/hr. Hitching posts (live corals, gorgonians, algae) essential. Feed enriched frozen mysis 3× daily minimum. Standard reef parameters but temperature 20–24 °C preferred. No aggressive feeders. Captive-bred only strongly recommended.

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