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Predation on a tropical house gecko, Hemidactylus mabouia by a juvenile colubrid snake, Chironius bicarinatus, in a Brazilian Atlantic Rainforest area.

2016; Asociación Herpetológica Argentina; Volume: 30; Issue: 2 Linguagem: Inglês

10.31017/7752

1852-5768

Davor Vrcibradic, Alexia Eisfeld,

Insect and Arachnid Ecology and Behavior

Snakes in the Neotropical genus Chironius are mainly batrachophagous, and tend to consume relatively small prey. We present a report of a juvenile Chironius bicarinatus that had ingested a house gecko ( Hemidactylus mabouia ) corresponding to ca. 62% of its preserved body mass. The ingestion of such a large prey item is unusual for a snake of the genus Chironius , as is the consumption of lizards. Consumption of unusually large prey items may be more common in young snakes than in adults, possibly due to a lower availability of prey of appropriate size and/or to a lower capacity to evaluate the size of potential prey.