long-snouted seahorse

Scientific name Hippocampus guttulatus
Descriptor Cuvier
Year of description 1829
IUCN category DD
Family Syngnathidae
Genus Hippocampus
Hippocampus guttulatus Hippocampus guttulatus


Hippocampus guttulatus, commonly known as long-snouted seahorse, is a salt water fish.

Who is it?


  • Average size
    18 cm
  • Maximum size
    21 cm
  • Average size
    18 cm
  • Maximum size
    21 cm

How to recognize the long-snouted seahorse ?

The long-snouted seahorse measures between 18 and 21 cm. This fish is unicolore with a predominantly jaune, vert, orange and marron body.

Sexual dimorphism

Behaviour & Life cycle

  • diet
  • Sociability
    living as a couple or alone
  • territorial
  • Way of living

The long-snouted seahorse is a fish living as a couple or alone naturally found in the vegetation. This species is carnivorous .

n general, this species does not care much about other animals crossing its path.


  • Reproduction

The long-snouted seahorse is a fish ovovivipare.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Temperature
    18 - 24 °C
  • Depth
    1 - 20 m
  • Flow
    Slow and Stagnant

Biotope presentation

The long-snouted seahorse is most often found at a depth between 1m and 20m. However, it is not impossible to find this species at other depths.

Species of the same biotope


Not recommended

We do not recommend keeping this species in an aquarium. It has unpredictable needs which, if not met, generate significant stress, potentially leading to a shorter life expectancy, an interruption of its growth or the development of pathogens.

To go further

Species of the same family

To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Silvia Gomez

Silvia Gomez

Benoit Chartrer

Benoit Chartrer


Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

Interact with Fishipedia

To get in touch with our team or participate in our project.

Template and content © Fishipedia - Unauthorized reproduction without prior request - ISSN 2270-7247 - Last modification 29/11/2023

Where to see this species?

Species of the same family

Same genus

Species of the same biotope

Scientific partners

  • {{name}}

    {{#street_number}}{{street_number}}, {{/street_number}}{{#route}}{{route}}{{/route}}
    {{postal_code}} {{town}}