Hyloxalus marmoreoventris (Rivero, 1991)

Class: Amphibia > Order: Anura > Superfamily: Dendrobatoidea > Family: Dendrobatidae > Subfamily: Hyloxalinae > Genus: Hyloxalus > Species: Hyloxalus marmoreoventris

Colostethus marmoreoventris Rivero, 1991, Caribb. J. Sci., 27: 3. Holotype: USNM 292979, by original designation. Type locality: "Río Negro, 4100 ft (1225 m), Provincia Tungurahua", Ecuador.

Hyloxalus marmoreoventrisGrant, Frost, Caldwell, Gagliardo, Haddad, Kok, Means, Noonan, Schargel, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 299: 168.

Common Names

Marbled Rocket Frog (Coloma and Duellman, 2025, Amph. Ecuador. Vol. 2: xxxii). 

Rana Cohete Marmoleada (Spanish: Coloma and Duellman, 2025, Amph. Ecuador. Vol. 2: xxxii).

Rio Negro Rocket Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 49).

Distribution

Known only from the type locality on the Amazonian slope of the Cordillera Oriental, Tungurahua Province, Ecuador, 1225 m elevation. 

Geographic Occurrence

Natural Resident: Ecuador

Endemic: Ecuador

Comment

See account by Coloma, 1995, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 87: 43. Coloma and Duellman, 2025, Amph. Ecuador. Vol. 2: 140–141, provided an account, with photographs, which summarized identification, adult morphology, systematics, natural history, distribution (including a dot map), and conservation.

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