Occidozyga diminutiva
family: Dicroglossidae
subfamily: Occidozyginae

Country distribution from AmphibiaWeb's database: Philippines

View distribution map using BerkeleyMapper.

Conservation Status (definitions)
IUCN (Red List) Status Vulnerable (VU)
See IUCN account.
Other International Status None
National Status None
Regional Status None


From the Encyclopedia of Life account:

Type Locality

"near Pasananka, Zamboanga, Mindanao", Philippines (Taylor, 1922); type stored in the California Academy of Sciences; CAS 61842

Author: Siler, Cameron

Faunal Affinity

Mindanao Pleistocene Aggregate Island Complex (PAIC; Brown and Diesmos, 2002) as wel as the Sulu Archipelago.

Author: Siler, Cameron


This species is recognized to occur in the Sulu Archipelago, as well as Basilan and Mindanao islands. However, it appears to only reach the far western portion of Mindanao Island (Zamboanga Peninsula).

Author: Siler, Cameron


Coloration in life reported to be: "Above a broad chestnut brown stripe from tip of snout to anus, widening opsteriorly; the rest of back and sides pinkish lavender; two chstnut brown stripes corresponding to the dorsolateral glandular folds extend from eye to shoulder; limbs barred with chestnut brown; brown spots partially separated by yellowish spots on side of head; a yellowish streak from eye to angle of jaw; dark marking low on sides and on groins; belly flesh-colored; chin and throat with scattered brown spots; undersurface of hands and feet purplish" in the type description by Taylor (1922).

Author: Siler, Cameron

Diagnostic Description

"Choanae small, widely separated, concealed under overhanging jaw; no vomerine teeth present; tongue very small, without tubercular papilla on tip, very slightly notched behind; apex of lower jaw with a single, toothlike prominence; head short, snout blunt, nostril about midway between eye and tip of snout; eye large, the diameter of orbit distinctly longer than snout; loreal region nearly perpendicular or slightly sloping; canthus rostralis rather indistinct, rounded; a very shallow depression behind nostril; tympanum with only a slight edge visible; a fold from eye running in a straight line to behind angle of mouth, then curving up to above insertion of arm; a glandular area behind angle of mout; upper eyelid about one and one-fifth times interorbital space; skin above smooth, very minutely shagreened or corrugated; eyelid with a distinct tubercle; a dorsolateral glandular fold begins behind eye and continues more than half the length of body, more prominent anteriorly; this fold is widely separated from the supratympanic fold at its beginning; sides with numerous pustular tubercles, one above arm most prominent; belly and underside of limbs smooth; arms short, fingers small, the tips not or very slightly dilated; the palm very thick; subarticular tubercles nearest palm well defined, outer ones less strongly defined; first finger as long as second and fourth; carpal tubercles flat, indistinct; no web between fingers; indistinct tuberles on outer side of arm; toes about two-thirds webbed, the membrane reaching disk of first and second toes on the outer side and to near disk on the inner edge of fifth; a strong inner metatarsal tubercle; outer very dim, situated at the end of a flap of skin which is on the outer side of fifth toe; a slight fold on heel behind inner metatarsal tubercle; the leg brought forward tibiotarsal articulation reaches to between eye and tip of snout. (Males with two internal vocal sacs, the openings small.)" (Text taken from Taylor, 1922)

Author: Siler, Cameron