---
title: "Ostropłetwiec"
description: "Pholis gunnellus — Ryby. The rock gunnel (Pholis gunnellus), or butterfish, is a species of marine ray-finned fish belonging to the family Pholidae, the gunnels."
canonical: https://animalchecklist.com/pl/animal/rock-gunnel
last_updated: 2026-09-20
---

# Ostropłetwiec

> Pholis gunnellus — Ryby. The rock gunnel (Pholis gunnellus), or butterfish, is a species of marine ray-finned fish belonging to the family Pholidae, the gunnels.

- Scientific name: *Pholis gunnellus*
- Category: `fish` (Ryby)
- Habitats: `sea` (Morze i wybrzeże), `arctic` (Arktyka)
- iNaturalist observations: 2545
- Wikidata: [Q640454](https://www.wikidata.org/wiki/Q640454)
- iNaturalist taxon: [152974](https://www.inaturalist.org/taxa/152974)

## Names

- en: Rock Gunnel
- de: Butterfisch
- es: Espinoso de Roca
- fr: Gonnelle
- nl: Botervis
- pl: Ostropłetwiec

## Countries with the most observations

US (783), GB (463), CA (443), NL (105), DK (72), IE (53), NO (47), DE (35), IS (30), SE (25), FR (14), RU (9)

## Summary

The rock gunnel (Pholis gunnellus), or butterfish, is a species of marine ray-finned fish belonging to the family Pholidae, the gunnels. This species is found in the coastal waters of the North Atlantic Ocean and in the Atlantic part of the Arctic Ocean.

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

## Photo

![Ostropłetwiec](https://animalchecklist.com/img/animals/rock-gunnel/medium.jpg)

Photo: hiccup1001 · CC0 · inaturalist — https://www.inaturalist.org/observations/156222218

## Machine access

`GET https://animalchecklist.com/api/v1/animals/rock-gunnel?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).