Wilcox, T. P., Derrick J. Zwickl, Tracy A. Heath, and David M. Hillis. "Phylogenetic Relationships of the Dwarf Boas and a Comparison of Bayesian and Bootstrap Measures of

Phylogenetic Support." Molecular Phylogenetics and Evolution 25, no. 2 (2002): 361-371.

David G. Barker, MS Tracy M. Barker, MS

Class Reptilia Order Squamata Suborder Serpentes Family Acrochordidae

File snakes



Small to medium-sized aquatic snakes with blunt heads not distinct from the neck, dorsally directed small eyes and nares, flabby and roughened skin bearing small, spinate scales. Body stout and capable of lateral compression for swimming. Sluggish behavior.


20-76 inches (0.5-2 m)

\ ^ P-x '

Number of genera, species

1 genus, 3 species

Shallow tropical waters associated with coastal mangroves, estuaries, and river systems

Conservation status

Data Deficient, but some populations may be locally threatened


Waters of Indo-Australian region, from western India to Southeast Asia, Malaysia, Indonesia, east to Solomon Islands and south to northern Australia

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