---
title: Red Sea Ribbon Worm (Mesochaetopterus rogeri)
scientific_name: Mesochaetopterus rogeri
common_name: Red Sea Ribbon Worm
taxon: Annelid
published: 2023-12-24T05:11:24.718Z
updated: 2026-08-15T21:48:55.140Z
tags: Red Sea Ribbon Worm, Mesochaetopterus rogeri, Annelid, Red Sea, Marine Life, Diving
url: https://redseacreatures.com/taxon/invertebrate/worms/annelid/red-sea-ribbon-worm
---

# Red Sea Ribbon Worm (*Mesochaetopterus rogeri*)

## Quick facts

- **Group:** Annelid (*Annelida*)
- **Size:** up to 2.5 m
- **Depth:** 6-30 m
- **Diet:** Filter feeder
- **Activity:** Nocturnal
- **Rarity:** Uncommon
- **Habitat:** Sand and rubble, in a buried parchment tube
- **Reproduction:** Broadcast spawner, Gonochoric

## How to recognise it

- two soft cream-white tentacles spread flat on the sand from a hole
- the animal itself never visible - only the tentacles and the tube opening
- tube of tough parchment-like material, buried, up to 2.5 m long
- tentacles reaching 30 cm across the bottom

What a diver sees is two pale ribbons lying on the sand, moving slowly, apparently attached to nothing. They are the feeding tentacles of a worm that lives permanently inside a buried tube up to two and a half meters long, and the animal itself is never visible at all.

Inside that tube it does something remarkable. The worm secretes a fine mucus net across the tunnel, pumps water through it with paddle-shaped segments, and the net strains out particles down to the size of bacteria. When the net is loaded the worm rolls it into a ball, passes it forward along a groove to its mouth, and eats net and catch together - then spins a new one. It is a purpose-built filter, made and consumed several times an hour.

The tube is parchment-tough and lined smooth, and it is a habitat in its own right: commensal crabs, scale worms and shrimps live inside them.

The family is also famously luminous - disturbed worms of this group release a glowing blue mucus - and one of the very few reasons to be out over sand at night with a torch off.

## Also known as

- **French:** Chétoptère-bélier

## Range

Punta de la Tordera

---

*Source: [Red Sea Creatures](https://redseacreatures.com/taxon/invertebrate/worms/annelid/red-sea-ribbon-worm)*
*Updated: August 15, 2026*