---
title: "Fish Leech"
description: "Piscicola geometra — Andere dieren. Piscicola geometra is a species of leech in the family Piscicolidae."
canonical: https://animalchecklist.com/nl/animal/fish-leech
last_updated: 2026-09-20
---

# Fish Leech

> Piscicola geometra — Andere dieren. Piscicola geometra is a species of leech in the family Piscicolidae.

- Scientific name: *Piscicola geometra*
- Category: `other` (Andere dieren)
- Habitats: `freshwater` (Meren en rivieren), `sea` (Zee en kust)
- 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

![Fish Leech](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=nl` — see [openapi.json](https://animalchecklist.com/openapi.json).