Length not yet addedAtlas entry awaiting completion
Venom status
Venom classification not yet addedHuman effects: atlas summary awaiting completion
Known venom effects
Effects not yet summarised in this atlas
Taylor’s 1922 account, reproduced by the database, describes frogs as the principal prey. The observation is historical and does not quantify present-day feeding across the archipelago. Its atlas account links 4 named island or island-group records to the source literature.
OccurrenceSupported
Islands named4
Natural history4 sourced topics
References2
Literature updated 2026-10-07 · Editorial review pending
Reserved for a contributor imageCredit and usage rights will accompany the image.
The illustrated collection
Adult & juvenile
Adult · study plate
Tropidonophis spilogaster
Image to follow
Reserved for a contributor imageCredit and usage rights will accompany the image.
Juvenile · study plate
Tropidonophis spilogaster
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.
A closer look
Natural history & identification
Diet & foraging
Taylor’s 1922 account, reproduced by the database, describes frogs as the principal prey. The observation is historical and does not quantify present-day feeding across the archipelago.
Literature documented · Comment: Diet; Taylor (1922)
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.
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 Tropidonophis spilogaster from these named Philippine areas: Luzon, Palawan, Polillo, Lubang. These are literature areas rather than a continuous range boundary.
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
Tropidonophis spilogaster is retained in the atlas’s dated checklist under Colubridae. The authority is (BOIE 1827). Earlier names and the original source notes are preserved below for comparison.
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
PhilippinesN ↑
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
4 named islands / island groups
Select an island to read its distribution record and sources. Uncoloured islands are not evidence of absence.
Distribution record & sources
Philippines (Bataan, Lubang, Luzon, Polillo, Palawan)
Type locality: “Philippines”
crebripunctatus: Type loc.: Manila, Philippines
The atlas records Tropidonophis spilogaster from these named Philippine areas: Luzon, Palawan, Polillo, Lubang. These are literature areas rather than a continuous range boundary.
Venom classification not yet added · Effects not yet summarised in this atlas
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.
Some species of this genus are venomous although we do not have information about this particular species.
Synonymy: partly after Taylor 1922: 92, 291
BOIE 1826: 559 fide DUMÉRIL et al. 1854.
Distribution: The species is common in Luzon. It has been reported from Negros and Palawan by Boulenger and from Mindanao by J. G. Fischer. Specimens in the collections examined are from Polillo, Luzon, and Camiguin (Babuyan Islands). (Taylor 1922)
Diet: The species feeds almost wholly on frogs. It is frequently encountered in the city of Manila. (Taylor 1922)
References attached to this record
2026
The Reptile Database — species checklist, 17 June 2026
Tropidonophis spilogaster — 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.