Tài liệu Amphibians of Cat Tien National Park doc

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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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Bufonidae - Bufo galeatus
Bufonidae - Bufo melanostictus
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Family Microhylidae
• Small to modest sized frogs
• Larvae lack oral disks and denticles
• Pectoral girdles firmisternal with reduced clavicles
• Most species spend their days in leaf litter or soil
• Color patterns often variable from day to night and
among individuals
• Webbing between toes reduced or absent
Family Microhylidae
• 6 Genera known from Cat Tien
• Caluella (1 species)
• Glyphoglossus (1 species)
• Kalophrynus (1 species)
• Kaloula (1 species)
• Micryletta (1 species)
• Microhyla (5 species)
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Microhylidae - Caluella guttulata
Microhylidae - Glyphoglossus molossus
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Microhylidae – Kalophrynus interlineatus
Microhylidae - Kaloula pulchra
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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 - Rana erythraea
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Ranidae - Rana johnsi
Ranidae - Rana lateralis
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Ranidae - Rana laticeps
Ranidae - Rana limnocharis
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Ranidae - Rana (Hylarana) livida
Ranidae - Rana (Hylarana) macrodactyla
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Ranidae - Rana milleti
Ranidae - Rana nigrovittata
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Ranidae - Rana taipehensis
Ranidae - Rana taipehensis
Dong Nai rocks
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Ranidae - Rana species 3
HQ streambed
Ranidae – Phrynoglossus martensii
Ficus Trail
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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

• Usually spend their days in the trees
• Some species nest in tree holes
• 4 genera and about 6 species known from Cat Tien
Family Rhacophoridae
• Chirixalus
– C. nongkhorensis
– C. vittatus
• Polypedates
– P. leucomystax
• Rhacophorus
– R. ?annamensis
• Theloderma
– T. asperum
– T. ?stellata
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Rhacophoridae - Chirixalus nongkhorensis
Rhacophoridae - Chirixalus vittatus
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Rhacophoridae - Polypedates leucomystax
Rhacophoridae - Polypedates leucomystax
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