---
title: "Thatched Barnacle"
description: "Semibalanus cariosus — Andere dieren. Semibalanus cariosus, commonly known as the thatched barnacle, rock barnacle or horse barnacle, is a species of acorn barnacle occurring in the northern Pacific Ocean."
canonical: https://animalchecklist.com/nl/animal/thatched-barnacle
last_updated: 2026-09-20
---

# Thatched Barnacle

> Semibalanus cariosus — Andere dieren. Semibalanus cariosus, commonly known as the thatched barnacle, rock barnacle or horse barnacle, is a species of acorn barnacle occurring in the northern Pacific Ocean.

- Scientific name: *Semibalanus cariosus*
- Category: `other` (Andere dieren)
- Habitats: `sea` (Zee en kust)
- iNaturalist observations: 6319
- Wikidata: [Q4295445](https://www.wikidata.org/wiki/Q4295445)
- iNaturalist taxon: [47658](https://www.inaturalist.org/taxa/47658)

## Names

- en: Thatched Barnacle
- es: Percebe techado

## Countries with the most observations

US (3117), CA (2277), RU (22)

## Summary

Semibalanus cariosus, commonly known as the thatched barnacle, rock barnacle or horse barnacle, is a species of acorn barnacle occurring in the northern Pacific Ocean.

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

## Photo

![Thatched Barnacle](https://animalchecklist.com/img/animals/thatched-barnacle/medium.jpg)

Photo: Steph Brulot-Sawchyn · CC0 · inaturalist — https://www.inaturalist.org/observations/234367122

## Machine access

`GET https://animalchecklist.com/api/v1/animals/thatched-barnacle?lang=nl` — see [openapi.json](https://animalchecklist.com/openapi.json).