Callulops marmoratus

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Callulops marmoratus
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Microhylidae
Genus: Callulops
Species: C. marmoratus
Binomial name
Callulops marmoratus
Kraus (fr) and Allison (fr), 2003[2]

Callulops marmoratus is a species of frog in the family Microhylidae. It is endemic to Papua New Guinea and only known from its type locality, Crater Mountain Wildlife Management Area in the southwestern Chimbu Province,[3] on the southern escarpment of the New Guinea Highlands.[1][2]


The type series includes one adult male measuring 53 mm (2.1 in) and two adult females measuring 51 and 52 mm (2.0 and 2.0 in) in snout–vent length. Four juveniles ranged 21–40 mm (0.83–1.57 in) in SVL. The head is relatively wide and the snout is short. The canthus rostralis is rounded. The tympanum is indistinct. Both fingers and toes are unwebbed but have moderately enlarged disks. Skin is smooth. The dorsum shows an irregular pattern of dark brown mottling, to which the specific name marmoratus (=Latin for "mottled") refers to. The pattern is more diffuse in the juveniles.[2]

Crater Mountain Wildlife Management Area in Papua New Guinea.
Crater Mountain Wildlife Management Area in Papua New Guinea.
Callulops marmoratus is only known from the Crater Mountain Wildlife Management Area, Papua New Guinea

Habitat and conservation[edit]

The type series was collected from an evergreen/submontane hill forest at 850–900 m (2,790–2,950 ft) above sea level. One of adults was found underground while digging, whereas the other two adults were found in a ditch.[1][2] Two juveniles were at entrances to small burrows. Thus, the species appears to be terrestrial or fossorial, in agreement with its morphology.[2]

There are no known threats to this species. The Crater Mountain Wildlife Management Area is a protected area.[1]


  1. ^ a b c d Allison, A.; Kraus, F. (2004). "Callulops marmoratus". IUCN Red List of Threatened Species. IUCN. 2004: e.T57739A11679124. Retrieved 17 May 2017. 
  2. ^ a b c d e Kraus, Fred; Allison, Allen (2003). "A new species of Callulops (Anura: Microhylidae) from Papua New Guinea". Pacific Science. 57 (1): 29–38. doi:10.1353/psc.2003.0006. 
  3. ^ Frost, Darrel R. (2017). "Callulops marmoratus Kraus and Allison, 2003". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 17 May 2017.