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Amphibians of Cat Tien National Park
Wayne Van Devender
Appalachian State University
Summer 2004
Class Amphibia
• Glandular skin
• No scales evident
• No claws evident
• Includes Frogs and Caecilians at Cat Tien
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Order Anura - Frogs
• Adults lack tails and have four legs
• Body size ranges from 2-3 up to about 15 cm
• Aquatic larvae usually present
• Larvae are basically herbivorous
• Adults are never herbivorous
• 5 Families known from Cat Tien
• 30-40 species known from Cat Tien
Family Bufonidae - toads
• Stout frogs with warty bodies
• Pectoral girdle is arciferal
• Skin includes very toxic alkaloid poisons
• Often have bony ridges on head
• Often have elarged poison glands on head
• May reaach 12 cm body length
• Two species in one genus known from Cat Tien
– Bufo galeatus
– Bufo melanostictus
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Microhylidae - Micryletta inornata
Microhylidae - Microhyla berdmorei
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Microhylidae - Microhyla butleri
Microhylidae - Microhyla heymonsi
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Microhylidae - Microhyla ornata
Microhylidae - Microhyla pulchra
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Family Ranidae
• A diverse array of small to large species
• Completely firmisternal pectoral girdle
• No fusion of metatarsals
• No intercalary cartilages but toe pads possible
• The huge genus Rana is now being subdivided
into several genera
• Normal larvae with oral disks and one spiracle on
the left side
Ranidae - Hoplobatrachus rugulosus
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Ranidae - Occidozyga lima
Ranidae - Phrynoglossus martensi
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Ranidae - Rana blythi (group)

Ranidae – Limnonetes cf. blythii
Ficus Trail
Ranidae – Limnonectes limnocharis
Waterfall Road
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Ranidae - Rana limborgi
Sa Ruaung roadside pit
Ranidae – Phrynoglossus martensii
Sa Ruaung forest stream
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Ranidae – Phrynoglossus martensii
Cat Loc - Bat Caves
Ranidae – Phrynoglossus martensii
Cat Loc
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Ranidae - Rana erythraea
HQ Streambed
Ranidae – Limnonectes tuomanoffi
Sa Ruaung Station
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Family Rhacophoridae
• African and Asian treefrogs
• Usually have large toe pads
• Have ossified intercalary cartilages
• Have firmisternal girdle
• Range from small to 8-10 cm in body length