Serpents of the World
Species
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Colubridae · Global account with Philippine editorial coverage

Calamaria everetti

Calamaria everettiBOULENGER, 1893

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

Reference 1 ↓

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

Calamaria everetti 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 everetti

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

The illustrated collection

Adult & juvenile

Adult · study plate

Calamaria everetti

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

Juvenile · study plate

Calamaria everetti

Image to follow
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.

One species · Across borders

Global distribution

Explore the recorded countries and islands. Select a highlighted area to see its distribution evidence.

Recorded distribution

Loading geographic boundaries…

ListedIntroducedUncertain

Click a highlighted country to zoom in and explore its records.

Shading identifies recorded countries or named islands, not continuous habitat coverage. Uncoloured areas do not establish absence.

Natural Earth · 1:50m · public domain. Small islands may lack an outline.

Explore the distribution

Across borders

2 recorded countries & territories

Select a highlighted area to see its status, island records and sources. Each country and island links to the same shared species collection.

Use “Worldwide records” to include distant introduced and uncertain records in the map view.

Indonesian locality notes and qualifications
Kalimantan
Borneo

Source explicitly lists Indonesian occurrence; no contrary country-level exclusion in Comment.

A closer look

Natural history & identification

Taxonomic context

The database retains a comment citing Gaulke and Vogel (2005) against Philippine occurrence. Its inclusion in the atlas checklist needs reconciliation with that conflicting statement; the map is not independent confirmation.

Uetz, P. et al. · ↗
Evidence & scope

Literature documented · Comment: Philippine distribution conflict

Species-level database summary; literature review, not expert validation.

The cited account does not establish population-wide variation or the conditions at every Philippine locality.

Reproduction

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

Uetz, P. et al. · ↗
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 everetti from these named Philippine areas: Palawan. These are literature areas rather than a continuous range boundary.

Uetz, P. et al. · 2026 ↗Leviton, A. E. et al. · 2018 ↗
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.

Across the archipelago

Where this species is recorded

Philippines
Calamaria everetti — all named islandsPalawan

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 (Palawan) Type locality: Sarawak

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 everetti — 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 everetti
Common names
Not reviewed
Authority
BOULENGER 1893
Year described
1893
Taxonomic status
Accepted species
Family
Colubridae
Genus
Calamaria
Species epithet
everetti
Persistent ID
PH-SERP-0C085C3D44
Checklist checked
2026-09-05

Philippine occurrence

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

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

Source distribution statement

Indonesia (Borneo), Malaysia (Sabah, Sarawak); Philippines (Palawan) Type locality: Sarawak

Knowledge coverage

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

Names through time

Nomenclatural trail

Calamaria everetti BOULENGER 1893: 525 Calamaria Everetti — BOULENGER 1894: 84 Calamaria everetti — TAYLOR 1922: 191 Calamaria everett — MARX 1955 Calamaria everetti — INGER & MARX 1965: 133 Calamaria everetti — INGER & VORIS 2001 Calamaria everetti — WALLACH et al. 2014: 136

Taxonomic and source notes

Not in the Philippines fide GAULKE & VOGEL 2005.

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 everetti — 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 ↗