Lined Seahorse

Hippocampus erectus

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Suggested Tank

30+ gallons

Max Size

7 inches

Difficulty

Hard

Temperament

Peaceful

Description

The Lined Seahorse is a distinctive marine fish with an upright body, prehensile tail, and a long snout used for sucking in small prey. Its coloration varies widely, often showing shades of brown, yellow, orange, black, or white with fine lines and spots that help it blend into seagrass, mangroves, and reef habitats.

Reef Safe

Yes

Environment

Requires a stable marine aquarium with gentle to moderate flow, excellent water quality, plenty of hitching posts, and calm tankmates. Prefers temperatures around 72-77 F and should be housed in a taller aquarium with low stress and low aggression.

Behavior

Slow-moving and deliberate, often perching with its tail wrapped around decor or macroalgae. Generally non-competitive and best kept with other peaceful tankmates that will not outcompete it for food.

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Lined Seahorse

Hippocampus erectus

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