---
title: "Sangsue géomètre"
description: "Piscicola geometra — Autres animaux. Piscicola geometra is a species of leech in the family Piscicolidae."
canonical: https://animalchecklist.com/fr/animal/fish-leech
last_updated: 2026-09-20
---

# Sangsue géomètre

> Piscicola geometra — Autres animaux. Piscicola geometra is a species of leech in the family Piscicolidae.

- Scientific name: *Piscicola geometra*
- Category: `other` (Autres animaux)
- Habitats: `freshwater` (Lacs et rivières), `sea` (Mer et côte)
- iNaturalist observations: 127
- Wikidata: [Q901837](https://www.wikidata.org/wiki/Q901837)
- iNaturalist taxon: [483956](https://www.inaturalist.org/taxa/483956)

## Names

- en: Fish Leech
- fr: Sangsue géomètre
- pl: Pijawka rybia

## Countries with the most observations

FI (16), GB (11), RU (5), DK (4)

## Summary

Piscicola geometra is a species of leech in the family Piscicolidae. It is an external parasite of marine, brackish and freshwater fishes. It was first described as Hirudo geometra by the Swedish naturalist Carl Linnaeus in his Systema Naturae in 1758.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Piscicola_geometra

## Photo

![Sangsue géomètre](https://animalchecklist.com/img/animals/fish-leech/medium.jpg)

Photo: drskywalker · CC0 · inaturalist — https://www.inaturalist.org/observations/236258488

## Machine access

`GET https://animalchecklist.com/api/v1/animals/fish-leech?lang=fr` — see [openapi.json](https://animalchecklist.com/openapi.json).