The specific name 'gracilis' means slender in Latin.
Omosternum has a slender bony style. Sternum is a small cartilaginous plate, without a bony style. Terminal phalanges are T-shaped (Boulenger, 1900).
Head is much depressed and slightly longer than broad. Snout is longer than the orbit, truncate at the end and scarcely projecting beyond the mouth. Canthus rostralis is distinct; loreal region is concave. Nostril is closer to the end of the snout than the eye. Eye is rather small. Interorbital space is much broader than the upper eyelid. Tymanum is very distinct, measuring two-thirds or three-fourths the diameter of the eye. Fingers and toes are long and slender, the tips dilated into small disks. Subarticular tubercles are small but very prominent. The first finger does not extend quite as far as second. A rather prominent, moderately large, oval inner metatarsal tubercle is present. The tibio-tarsal articulation reaches the tip of the snout or slightly beyond (Boulenger, 1900).
Dorsum and venter are dark brown. A black band, edged beneath with white, extends on each side from the nostril to halfway down the side of the body, passing through the eye and tympanum, and widening behind; this band is followed by a large black inguinal spot. Dark symmetrical markings are present on the limbs, those on the front and back of the thighs are black, edged with white. Ventral surfaces are spotted or marbled with white. Males have internal vocal sacs (Boulenger, 1900).
The type specimen measured 37 mm from snout to vent (Boulenger, 1900).
Habitat and Ecology
IUCN Red List Assessment
Red List Category
Red List Criteria
- 2004Least Concern
Due to its large range, and its intolerance of secondary habitats, it is likely that there are declines in some areas due to forest loss.
Cardioglossa gracilis is a species of frog in the Arthroleptidae family. It is found in Cameroon, Central African Republic, Democratic Republic of the Congo, Equatorial Guinea, Gabon, Nigeria, and possibly Republic of the Congo. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers. It is threatened by habitat loss.
- Amiet, J.-L. & Burger, M. 2004. Cardioglossa gracilis. 2006 IUCN Red List of Threatened Species. Downloaded on 20 July 2007.
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