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Coloration in life: Dorsal surface is bright iridescent metallic green with dark brown reticulum; lateral surfaces with iridescent greenish gold with small black spots following continuation of dorsal reticulum to midbody that fades to pinkish gray ventrally; dorsolateral ridges bright iridescent gold; dorsum coloration present on limbs with purplish dark brown transverse bars with distinct rows of white spicules (Brown et al., 2000). See Brown et al. 2000 for a more detailed description.
According to the IUCN classification, the conservation status is "Vulnerable (VU)," based on habitat fragementation and continuous decline of suitable habitat on Luzon Island.
Sanguirana tipanan can be distinguished from other members of the Sanguirana everetti complex by a combination of the following characters: (1) rounded snout in dorsal aspect (2) extensive presence of dermal asperities throughout body of male (3) presence of black spots or black recticulum on iridescent metallic green to golden yellow dorsum in females (4) pearly white throat with gray spots (5) wide separation between ventral edge of tympanum and post-rictal tubercle in females (6) tympanum translucent in females and most males (7) indistinct dorsal ridges (8) presence of transverse bars on hind limbs (8) presence of infra-cloacal tubercles (Brown et al., 2000). See Brown et al. 2000 for a more detailed description.
Sanguirana tipanan is known from Luzon Island in the Philippines (Brown et al., 2000). See Brown et al. 2000 for more details regarding collection localities.
Sanguirana tipanan can be found on riparian vegetation and along river banks (Brown et al., 2000).
Named after the Tagalog word "tipanan," meaning "a covenant of partnership" in honor of the 45-year collaboration between Angel Alcala and Walter Brown.
Luzon Pleistocene Aggregate Island Complex (PAIC; Brown and Diesmos, 2002).
Sanguirana tipanan have been found in first growth and regenerating lower montane tropical rainforests (Brown et al., 2000).
Part of the Sanguirana everetti species complex
Sanguirana tipanan is a species of true frog. It is native to the Sierra Madre mountains of the island of Luzon, Philippines. It inhabits cool streams and rivers in lower montane and lowland forests. It is threatened by logging and habitat loss.[1]
Sanguirana tipanan is a species of true frog. It is native to the Sierra Madre mountains of the island of Luzon, Philippines. It inhabits cool streams and rivers in lower montane and lowland forests. It is threatened by logging and habitat loss.
