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Ocean animals

Lined seahorse

Amazing fact

The lined seahorse can move its eyes independently.

University of Michigan Animal Diversity Web
Lined seahorse in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

The lined seahorse can move its eyes independently.

SourceUniversity of Michigan Animal Diversity Web — Hippocampus erectus

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THE REAL WORLD

The real Lined seahorse

Scientific name
Hippocampus erectus
Japanese name
ラインドシーホース
Group
Ocean animals
Order
Syngnathiformes
Family
Syngnathidae
Genus
Hippocampus
Facts about the real animal.
01

It lives along the east coast from North America to northern South America.

鳥羽水族館 — ラインドシーホース
02

Its color varies a lot, from white and yellow to orange and black.

鳥羽水族館 — ラインドシーホース
03

Whatever their color, they all have horizontal lines on the trunk.

鳥羽水族館 — ラインドシーホース

How the Lined seahorse lives

Pairs perform a greeting dance every morning. It sucks in small crustaceans with its long snout. It swims by rapidly moving its dorsal and pectoral fins. It wraps its tail around seaweed or coral to hold on.

University of Michigan Animal Diversity Web

Basic data

Range
East coast from North America to northern South America
鳥羽水族館

Where the Lined seahorse has been recorded

World map with dots where the Lined seahorse has been recorded
Each dot marks a place with observations or specimens shared on GBIF. Some records are of animals that strayed or were brought by people, so the dots are not always where the animal lives.

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF

Where it livesNorth AmericaCentral and South AmericaCoasts

Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.

Names around the world

简体中文
直立海马
繁體中文
直立海馬
Português (Brasil)
Cavalo-marinho-raiado

Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.

Sources and how we check

We check each fact against its source. The illustrations simplify how the real animal looks.

The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.

The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.

This page was translated from the original Japanese with the help of AI.

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