AMPHIBIANS Flashcards
Approximately ____________ species of living amphibians are known.
8,100
Anura
Frogs and Toads
Caudata
Newts and salamanders
Gymophiona
Caecilians
Greek word meaning “double life”
Amphibios
lack of embryonic membranes
Anamniotes
Number of amphibian species in the Philippines
about 117
Number of amphibian families in the Philippines
10 families in 2 orders (3 worldwide)
Order of salamanders, newts
Order Caudata
Order of Caecilians
Gymnophiona/Apoda
Order of frogs and toads
Order Salientia/Anura
Largest family of Amphibian
Ceratobatrachidae
Amphibians Families:
- Ichthyophiidae
- Bombinatoridae
- Bufonidae
- Ceratobatrachidae
- Dicrogloassidae
- Elutherodactylidae
- Megophryidae
- Microhylidae
- Ranidae
- Rhacophoridae
How many species of ichthyophids in the philippines?
three (3) species
Mode of development of caecilians
indirect development
Ichthyophids are characterized by the
presence of a distinct ___________ ________
which is divided or separated by a
secondary and tertiary groove.
primary annuli
Ichthyophid species:
Ichthyopis glandulosa
Ichthyophis mindanaoensis
Ichthyopis weberi
Only one representative species of Family Bombinatoridae
Barbourula busuangensis (Palawan Flat Headed Frog)
IUCN Status: Vulnerable
It is a large, heavy-bodied, highly aquatic frog found in the fast-moving waters of mountain streams on the Philippine islands of Busuanga and Palawan.
Barbourula busuangensis
This frog’s coloration is dark, appearing dark green to black. A very distinct character of members of this family is entirely adherent tongue along its lower jaw margin.
Barbourula busuangensis
Toads belong to the family _____________. They are characterized by having thick, warty skin and an enlarge glands in the back of its head called ____________.
Bufonidae, paratoid gland
Bufonidae species:
- Ansonia mcgregori (MacGregor’s Toad)
- Ansonia muelleri (Mueller’s Toad)
- Ingerophrynus philippinicus (Philippine Toad)
- Pelophryne albotaeniata (Palawan Toadlet)
- Pelophryne brevipes (Zamboanga Flathead Toad)
- Pelophryne lighti (Eastern Mindanao Dwarf)
- Rhinella marina (Cane Toad)
Mode of development of Ceratobatrachidae
direct development
Ceratobatrachidae species:
- Platymantis corrugatus (Rough-backed forest frog)
- Platymantis diesmosi (Mt. Malinao forest frog)
- Platymantis dorsalis (Dumeril’s wrinkled)
- Platymantis rabori (Rabor’s forest frog)
- Platymantis sierramadrensis
- Platymantis spelacus (Cave wrinkled ground frog)
- Platymantis subterrestris (Luzon wrinkled ground frog)
- Frogs with forked tongue belongs to what family?
Dicroglossidae (consists of 18 species)
Dicroglossidae species:
- Alcalus mariae
- Fejervarya moodiei (Crab-eating frog)
- Fejervarya vittegera (Luzon wart frog)
- Limnonected microcephalus (Giant Philippine frog)
- Limnonectes magnus (Giant Philippine frog)
- Limnonectes leytensis (Small disked frog)
is a new family of frog in the Philippines, having only one
member to occur, although in its native countries, members of the family are diverse.
Eleutherodactylidae
This species was introduced, although in its native countries, member of this family is known
as an invasive species
Eleutherodactylus planirostis (Greenhouse frog)
Cryptic frogs or litter frogs belong to the
Family _________________. Members of this
family are nocturnal and walk instead of
jump because of its poor ability to jump.
Megophryidae
Morphological characters that are exhibited by family Megophyridae are absence of _____________ in adults,
ceratohyals
Megophyridae species:
- Megophrys ligayae (Palawan-horned frog)
- Pelobatrachus stejnegeri
- Leptobrachium lumadorum
- Leptobrachium mangyanorum
- Leptobrachium tagbanorum
This Family consists of narrow-mouthed frogs. Morphological characters of members of this family exhibits fully exposed glottis in the buccal floor of larva
Microhylidae
Microhylidae species:
- Kaloula picta (Slender-digit chorus frog)
- Kaloula pulchra (Malaysian narrow mouth toad)
- Kaloula rigida (Luzon narrow mouthed frog)
- Kaloula sinensis (Philippine sticky frog)
- Kaloula baleata (Smooth-fingered narrow mouthed frog)
- Kaloula conjuncta (Philippine narrow mouth toad)
most widespread and one of the largest family of anurans which consist of true frogs.
Ranidae
They are usually medium to large in size, have
smooth skin, and long legs with webbing between
the toes
Family Ranidae
This Family of anurans is paraphyletic
Ranidae
Ranidae Species:
- Sanguirana tipanan (Brown and Alcala’s Sierra
- Staurois natator (Mindanao splash Frog)
- Staurois nubilus
- Lithobates catesbeianus (American bullfrog)
- Pulchrana grandocula
- Pulchrana mangyanum
This family is closely related to the Family Ranidae but is differentiated by its webbed fingers and toes, large digital pads or disks on the tips of the fingers and being boreal.
Rhacophoridae
Another characteristic of members of Rhacophoridae is ________________ with ________________
large eyes with horizontal pupils
Examples of reproductive strategies of Rhacophoridae
Usage of foam nest for egg laying
Direct development and
Phytothelm breeding
what is phytothelm breeding
it means that tadpoles are laid in tree holes
Rhacophoridae Species:
- Polypedates leucomystax (White-lipped tree frog)
- Polypedates macrotis (Brown striped tree frog)
- Rhacophorus bimaculatus (Mindanao-flying frog)
- Philautus surdus (Common forest tree frog)
- Philautus surrufus (Molted tree frog)
- Philautus worcesteri (Smooth-skinned tree frog)
External fertilization occurs; the male releases sperm on the eggs as they exit from the female’s cloaca.
The male grasps the female so that his cloaca is positioned just above the female’s cloaca.
Amplexus
Types of tadpoles
Lemanuran - anterior gill
Scoptanuran - posterior gill
Acosmanuran - lateral gill
Male organ of caecilian
phallodeum
2 species that undergo direct development
Barbourula busuangensis
Platymantis dorsalis
Sympatric forest frogs share the forest floor but isolated by ________
calls
Microhabitats used by Philippine amphibians
Tree canopy & epiphytes
Vegetation by river
Forest floor
Leaf axils & tree holes
Stream bed/pools
River rocks/boulders
Marsh or ponds
Issues on field identification
daghan kaayo oy, sa pdf nalang magtuon
Distinguishing characters
DAGHAN SAB, NAAS PDF
Amphibians as bio -indicators of habitat health
Restricted-range island endemics
Forest dependent and limited microhabitats
Tolerant & intolerant to disturbance & pollution