← Species collection

Colubridae · Philippine record

Sulu Reed Snake; Yellow-bellied Reed Snake

Calamaria suluensisTAYLOR 1922

Length
Length not yet addedAtlas entry awaiting completion
Venom status
Non-venomousNon-venomous does not mean safe to handle
Known venom effects
Not applicable · non-venomous
Size & venom sources

Venom: Genus-level classification: the taxonomic literature characterises Calamaria reed snakes as nonvenomous. This is not a species-specific venom assay.

Introduction, first paragraph

Venom effects and medical significance are different from toxicity rankings. Do not handle a snake on the basis of this summary.

Calamaria suluensis is a Colubridae snake included in the Philippine checklist. Its atlas account links 1 named island or island-group record to the source literature.

OccurrenceConfirmed
Islands named1
Natural history3 sourced topics
References4

Literature updated 2026-10-07 · Editorial review pending

Explore the island records ↓

Species portrait

Calamaria suluensis

Image to follow
Reserved for a contributor imageCredit and usage rights will accompany the image.

The illustrated collection

Adult & juvenile

Adult · study plate

Calamaria suluensis

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Reserved for a contributor imageCredit and usage rights will accompany the image.

Juvenile · study plate

Calamaria suluensis

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Reserved for a contributor imageCredit and usage rights will accompany the image.

Life stages will be labelled from the contributor’s information. Images alone do not establish identification or a locality record.

Media provenance

Every image carries its source.

Contributor images are forthcoming. Photographs and illustrations will retain their individual credits, permissions and evidence notes.

A closer look

Natural history & identification

Reproduction

The species account records egg-laying reproduction. A verified Philippine clutch-size range, incubation interval and breeding calendar are not established here.

Evidence & scope

Literature documented · Reproduction field

Reproductive mode reported for this named species.

Mode alone does not establish litter or clutch size, seasonal timing, or captive husbandry requirements.

Philippine distribution

The atlas records Calamaria suluensis from these named Philippine areas: Sulu. These are literature areas rather than a continuous range boundary.

Evidence & scope

Literature documented · Existing checklist occurrence statement and distribution review

The original evidence level is retained.

A country listing cannot establish an island or a precise locality.

Taxonomic context

Calamaria suluensis is retained in the atlas’s dated checklist under Colubridae. The authority is TAYLOR 1922. Earlier names and the original source notes are preserved below for comparison.

Evidence & scope

Literature documented · Checklist identity and nomenclatural trail

Checklist verified 2026-09-05; not a newly revised taxonomic backbone.

Historical names can cover different biological concepts; synonyms should not be used to transfer records automatically.

Across the archipelago

Where this species is recorded

Philippines
Calamaria suluensis — all named islands

Documented islands: gold · island groups: dashed circles

Island-level records · not continuous habitat coverage. Dashed circles locate groups, not individual observations.

Philippine distribution

Documented places

1 named island / island group

Select an island to read its distribution record and sources. Uncoloured islands are not evidence of absence.

Distribution record & sources

Indonesia (Borneo), Malaysia (Sabah, Sarawak), Philippines (Cagayan Sulu) Type locality: Cagayan Sulu, Philippines.

References attached to this species account. Island-specific evidence is shown separately where available.

The Reptile Database — species checklist, 17 June 2026 ↗

Synopsis of the Snakes of the Philippines: A Synthesis of Data from Biodiversity Repositories, Field Studies, and the Literature ↗

First description of the female of Calamaria andersoni Yang & Zheng, 2018 (Squamata, Calamariidae), with an expanded diagnosis ↗

Calamaria suluensis — The Reptile Database species account ↗

Living with wildlife

Give this snake space.

Non-venomous · Not applicable · non-venomous

Observe from a distance. Do not handle, corner or capture a snake to identify it. An incomplete venom account is not evidence that a species is safe to handle.

After a suspected snakebite, keep the person still and arrange urgent medical care. Avoid tight tourniquets, cutting, suction and unproven remedies. Do not wait to identify the snake before seeking help.

WHO guidance on snakebite first aid

Species record

Taxonomy, occurrence & evidence.

Identity

Accepted name
Calamaria suluensis
Common names
Sulu Reed Snake; Yellow-bellied Reed Snake
Authority
TAYLOR 1922
Year described
1922
Taxonomic status
Accepted species
Family
Colubridae
Genus
Calamaria
Species epithet
suluensis
Persistent ID
PH-SERP-544987CE93
Checklist checked
2026-09-05

Philippine occurrence

Status
Present
Confidence
Confirmed
Basis
2018 Philippine synopsis treatment plus current RDB listing
Islands named
Sulu

Range noteCountry/island text is not a range polygon or locality record.

Source distribution statement

Indonesia (Borneo), Malaysia (Sabah, Sarawak), Philippines (Cagayan Sulu) Type locality: Cagayan Sulu, Philippines.

Knowledge coverage

EndemismResearch pending
EcologyResearch pending
VenomNon-venomous
Not applicable · non-venomous
Detailed research: Research pending
ConservationResearch pending

Names through time

Nomenclatural trail

Calamaria suluensis TAYLOR 1922 Calamaria pendleburyi SMITH 1931: 27 Calamaria sumatrana WERNER 1909 (non EDELING) Calamaria suluensis — INGER & MARX 1965: 123 Calamaria grabowski MARX & INGER 1955 (non FISCHER) Calamaria pendleburyi — MANTHEY 1983 Calamaria suluensis — INGER & VORIS 2001 Calamaria suluensis — WALLACH et al. 2014: 142

Taxonomic and source notes

Synonymy after INGER & MARX 1965. Genome: Roberts et al. 2024.

References attached to this record

2026

The Reptile Database — species checklist, 17 June 2026

Uetz, P.; Freed, P.; Aguilar, R.; Reyes, F.; Kudera, J.; Hošek, J. (eds.)

Open source ↗
2018

Synopsis of the Snakes of the Philippines: A Synthesis of Data from Biodiversity Repositories, Field Studies, and the Literature

Leviton, A. E.; Siler, C. D.; Weinell, J. L.; Brown, R. M.

Proceedings of the California Academy of Sciences 64(14): 399–568

DOI: 10.5281/zenodo.11512589

Open source ↗
2025

First description of the female of Calamaria andersoni Yang & Zheng, 2018 (Squamata, Calamariidae), with an expanded diagnosis

Zhang, T.; Xu, Y.; Tan, N. V.; Poyarkov, N.; Peng, L.; Deng, J.; Wang, X.; Huang, S.

Biodiversity Data Journal 13: e165597

DOI: 10.3897/BDJ.13.e165597

Introduction explicitly characterises Calamaria as nonvenomous. Used only for that genus-level classification, not to transfer measurements or ecology of C. andersoni to Philippine species.

Open source ↗
n.d.

Calamaria suluensis — The Reptile Database species account

Uetz, P.; Hallermann, J. et al. (editors)

Public species fields consulted for bounded biological summaries. Primary sources quoted within the database were not independently examined unless explicitly stated. The catalogue name may differ from the current source title.

Open source ↗