Loimia medusa
species of annelid
Loimia medusa, commonly known as the spaghetti worm or medusa worm, is an aquatic species of annelid belonging to the family Terebellidae.
Description
Loimia medusa has long bluish white feeding tentacles that give the appearance of spaghetti noodles under any kind of rubble or rocks. Under those rocks, it has a body that is surrounded by a tube consisting of bits of shell and gravel, creating a tube that has a tough membranous lining with segments. The body can grow to be about 12 in (300 mm) long, while the tentacles can grow to twice that length.
Distribution and habitat
Loimia medusa prefers tropical oceans, such as the Indo-Pacific and the Western Central Atlantic, including reefs off of the Hawaiian Islands.
Its habitat includes spaces such as tidepools, brackish waters, and bays that consist of rubble. They can also be found in sand and coral reefs in the deeper waters across the Hawaiian islands.
Cultural significance
In Hawai'i, Loimia medusa is known as the Kauna'oa. During the Old Hawai'i times, this invertebrate was used for medicinal purposes.
The public source identifies “Loimia medusa” as species of annelid. This brief keeps that definition visible, then builds a research path around Loimia, medusa and species.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Loimia medusa”, the useful work is to connect “species of annelid” to the records capable of establishing context and consequence.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Jun 30, 2025. The linked authority identifier is Q2805446. None of the 0 selected statements returned an explicit reference.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Loimia medusa” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.