Ringed Caecilia
Siphonops annulatus (Mikan, 1822)
The ringed caecilia (Siphonops annulatus), also called the Ringed caecilian, is an amphibian of the order Gymnophiona and the family Siphonopidae. It is a nocturnal invertivore whose main foods are arthropods, and its microhabitat is listed as aquatic, fossorial and terrestrial.

Quick facts about the ringed caecilia
It lays eggs and has direct development with no larval stage; clutches range from 5 to 16 eggs, with a representative value of 10.5. Its body length is up to 45.4 cm, and the IUCN Red List assesses it as Least Concern, which is not a threatened category.
- Weight
- Not recorded
- Length
- up to 45.4 cmsrc for Length
- Lifespan
- Not recorded
- Diet
- Invertivoresrc for Diet
- Main food
- arthropodssrc for Main food
- Habitat
- Not recorded
- Young per litter or clutch
- 5 – 16src for Young per litter or clutch
- Reproduction
- Eggssrc for Reproduction
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Terrestrialsrc for Lifestyle
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Photos of the ringed caecilia
Only freely licensed photos are shown. Each carries its creator and licence.

Where does the ringed caecilia live?
Not recorded
What is the ringed caecilia?
Siphonops annulatus, the ringed caecilian, is a species of caecilian in the family Siphonopidae endemic to South America. It may have the broadest known distribution of any terrestrial caecilian species.
From the Wikipedia article “Siphonops annulatus” (en.wikipedia.org/w/index.php?title=Siphonops_annulatus&oldid=1338048548), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the ringed caecilia endangered?
The ringed caecilia is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species.
How is the ringed caecilia classified?
- kingdomAnimalia
- phylumChordata
- classAmphibia
- orderGymnophiona
- familySiphonopidae
- genusSiphonops
- SpeciesSiphonops annulatus (Mikan, 1822)
Synonyms Caecilia annulata, Caecilia interrupta, Coecilia annulata, Dermophis crassus, Siphonops annulata, Siphonops annulatus marmoratus, Siphonops interruptus
Other names and names in other languages (11)
- Ringed caecilianEnglish
- Ringed caecilianEnglish
- cecílie kroužkovanáCzech
- RingelwühleGerman
- Cecilia de anillosSpanish
- Cécilie anneléeFrench
- Siphonops anneléFrench
- Marszczelec pierścieniowyPolish
- MinhocãoPortuguese
- Кольчатая червягаRussian
- obročasti sleporilSlovenian
Catalogue of LifeWikipediaiNaturalistTAXREFWikidataIUCN Red List
Relatives of the ringed caecilia
Other species in the same genus Siphonops.
Boettger's caecilian
Siphonops paulensis
Salvador caecilian
Siphonops leucoderus
Hardy's caecilian
Siphonops hardyi
CompareRinged Caecilia vs Boettger's caecilianRinged Caecilia vs Salvador caecilianRinged Caecilia vs Hardy's caecilian
Common questions
Each answer is written from the sourced facts on this page, and only where they hold the answer.
What kind of animal is the ringed caecilia?
The ringed caecilia is an amphibian in the order Gymnophiona and the family Siphonopidae.
How long is the ringed caecilia?
Its body length is up to 45.4 cm.
What does the ringed caecilia eat?
It is an invertivore, and its main foods are arthropods.
Is the ringed caecilia endangered?
No. The IUCN Red List assesses it as Least Concern, which is not a threatened category.
How does the ringed caecilia reproduce?
It lays eggs, from 5 to 16 per clutch, with a representative value of 10.5. Development is direct, with no larval stage.
Is the ringed caecilia active at night?
Yes, its activity pattern is nocturnal.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Ringed Caecilia (Siphonops annulatus). Retrieved from https://creaturedata.com/animals/ringed-caecilia
“Ringed Caecilia (Siphonops annulatus).” CreatureData, 2026, https://creaturedata.com/animals/ringed-caecilia.
@misc{ringed_caecilia_2026,
title = {Ringed Caecilia (Siphonops annulatus)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/ringed-caecilia},
note = {Data as of 2026-11-11}
}