The Sierra de Los Tuxtlas are a volcanic belt and mountain range along the southeastern Veracruz Gulf coast in Eastern Mexico. The Los Tuxtlas Biosphere Reserve includes the coastal and higher elevations of the Sierra de Los Tuxtlas.
Ecnomiohyla valancifer is a species of frog in the family Hylidae. It is endemic to the slopes of the San Martin Tuxtla volcano, in the Sierra de los Tuxtlas range in southern Veracruz state, Mexico. Its natural habitats are tropical rainforests. It is threatened by habitat loss.
Craugastor andi is a species of rain frog in the family Craugastoridae which has not been seen since 1990. It is found in the Caribbean drainage of Costa Rica in the mountains and hills of the Cordillera Central and the far northeastern Cordillera de Talamanca, and in extreme northwestern Panama. Frank and Ramus (1995) give it the vernacular name Atlantic robber frog. It is known locally in Spanish by the generic names, used for many species, of rana de hojarasca, ranita or sapito.
Craugastor augusti is a species of frog in the family Craugastoridae found in Mexico and the southern United States. It is known by various common names but most commonly as the barking frog. The nominal species likely includes more than one species, sometimes described as subspecies such as the common barking frog, western barking frog, and eastern barking frog. The epithet augusti is in honor of renowned French zoologist Auguste Duméril.
Craugastor guerreroensis, also known as the Guerreran robber frog, is a species of frog in the family Craugastoridae. It is endemic to Mexico and only known from its type locality near Agua del Obispo, in the municipality of Chilpancingo de los Bravo, Guerrero.
Craugastor longirostris is a species of frog in the family Craugastoridae. It is found in Ecuador from the Guayas Province northwards to western Colombia extreme eastern Panama, with isolated populations in the Magdalena Valley, Colombia. Its natural habitats are lowland and submontane rainforests, occasionally dry forests. It is potentially threatened by habitat loss.
Craugastor mimus is a species of frog in the family Craugastoridae. It is found in lowland and premontane forests on the Atlantic versant from eastern Honduras through eastern Nicaragua to central Costa Rica. Its natural habitat is lowland and premontane moist and wet forests. It is threatened by habitat loss.
Craugastor obesus is a species of frog in the family Craugastoridae. It is found in the Caribbean slopes of southeastern Costa Rica and western Panama. Its natural habitats are lowland moist forest, premontane and lower montane wet forest and rainforest. It can be found in the spray zone on rocks, boulders, and cliff faces in the middle of moderate-sized cascading streams.
Gunther's robber frog, Günther's robber frog, or Guerreran robber frog is a species of frog in the family Craugastoridae. It is endemic to the Sierra Madre del Sur in the Guerrero state, Mexico. Its natural habitats are pine, oak, and pine-oak forests with plenty of leaf-litter on the ground. It is a relatively common species but declining and threatened by habitat loss and disturbance.
Craugastor persimilis is a species of frog in the family Craugastoridae. It is found in the lowlands and premontane Atlantic slopes of central to southeastern Costa Rica. Its natural habitats are lowland and premontane moist rainforest. It lives in leaf-litter and can persist in moderately disturbed areas, including plantations. It is an adaptable species that is not considered threatened, despite severe habitat fragmentation within its range.
Craugastor pygmaeus, also known as the pigmy free-fingered frog or the pigmy robber frog, is a species of frog in the family Craugastoridae. It is found in western Guatemala and southern Mexico from southern Sinaloa to Chiapas.
Craugastor ranoides is a species of frog in the family Craugastoridae. It is found in the southern Atlantic lowland of Nicaragua and northwestern Costa Rica, and through Costa Rica to extreme western Panama. Its natural habitats are, principally, lowland and premontane wet forests in association with small streams, but also dry forests with perennial streams. It is threatened by habitat loss and chytridiomycosis. The species has disappeared from much of its former range in Costa Rica, also in pristine habitats, possibly because of chytridiomycosis.
Craugastor stuarti is a species of frog in the family Craugastoridae. It is found in the Pacific slopes of Guatemala and adjacent Chiapas, Mexico. Its natural habitats are tropical humid cloud forests at elevations of 1,300–2,200 m (4,300–7,200 ft) above sea level; it is a terrestrial species although it can also occur in small bushes. It is threatened by habitat loss mainly caused by agriculture and logging.
Craugastor taurus is a species of frog in the family Craugastoridae. It is found in the Golfo Dulce region of southern Costa Rica and adjacent western Panama. It is sometimes known as the Golfito robber frog.
Craugastor taylori is a species of frog in the family Craugastoridae. It is endemic to Mexico and only known from its type locality near Rayón Mescalapa, Chiapas, in Southeast Mexico. Its common name is Taylor's robber frog. It is named in honour of Edward Harrison Taylor.
Craugastor xucanebi is a species of frog in the family Craugastoridae. It is endemic to Guatemala.
Craugastor laevissimus is a species of frog in the family Craugastoridae. It is found in Honduras and Nicaragua. Its natural habitats are lowland and sub-montane wet and moist forests; it can survive in degraded forest and secondary growth. It occurs along streams and small rivers.
Craugastor vulcani is a species of frog in the family Craugastoridae. It is endemic to the Sierra de los Tuxtlas range in southern Veracruz state, Mexico. Its name refers to its type locality on the San Martin Tuxtla volcano. Common name Volcan San Martin rainfrog has been proposed for it.
Pseudoeurycea werleri is a species of salamander in the family Plethodontidae. Its common name is Werler's false brook salamander or simply Werler's salamander. It is endemic to the Sierra de los Tuxtlas range in southern Veracruz state, Mexico. Its natural habitats are tropical rainforests and cloud forests where it lives in moss mats. It is threatened by habitat loss caused by subsistence agriculture, logging, and human settlement.
Thorius narismagnus is a species of salamander in the family Plethodontidae. It is endemic to the San Martin Tuxtla volcano, in the Sierra de los Tuxtlas range in southern Veracruz state, Mexico. Its common name is San Martin pigmy salamander. Natural habitats of Thorius narismagnus are lowland and intermediate tropical forests. It occurs under rotten logs and among leaf-litter, and especially under fallen bromeliads.
