Tocantins is one of the 26 states of Brazil. Tocantins covers 277,620.91 square kilometres and had an estimated population of 1,496,880 in 2014.
Tocantins is one of the 26 states of Brazil. Tocantins covers 277,620.91 square kilometres and had an estimated population of 1,496,880 in 2014.
The hoary fox or hoary zorro (Lycalopex vetulus ), also known as raposinha-do-campo in Brazil (Portuguese for "meadow little fox"), is a species of zorro or "false" fox endemic to Brazil. Unlike many other foxes, it feeds primarily on small...
The Brazilian three-banded armadillo (Tolypeutes tricinctus ) is an armadillo species endemic to eastern Brazil, where it is known as tatu-bola (Portuguese pronunciation: , lit. ball armadillo). It is one of only two species of armadillo that can...
The Aniliidae are a monotypic family created for the monotypic genus Anilius that contains the single species A. scytale. Common names include American pipe snake and false coral snake. It is found in South America. This snake possesses a vestigial...
The black-tufted marmoset (Callithrix penicillata ), also known as Mico-estrela in Portuguese, is a species of New World monkey that lives primarily in the Neo-tropical gallery forests of the Brazilian Central Plateau. It ranges from Bahia to...
The Guianan squirrel monkey (Saimiri sciureus) is a species of squirrel monkey from South America. This species formerly applied to Humboldt's squirrel monkey and Collins' squirrel monkey, but genetic research in 2009 and 2015 revealed that these...
The red-handed howler (Alouatta belzebul ) is a vulnerable species of howler monkey, a type of New World monkey. It is endemic to Brazil, found in the southeastern Amazon and disjunctly in the Atlantic Forest between Rio Grande do Norte and Sergipe.
Adelphobates galactonotus (splash-backed poison frog or splashback poison frog) is a species of poison dart frog. It is endemic to the rainforest of the southern Amazon Basin in Brazil. Its natural habitats are tropical moist lowland forests. The...
Collins' squirrel monkey (Saimiri collinsii ) is a species of squirrel monkey from Brazil. It had been considered a subspecies of the common squirrel monkey (S. sciureus ) until a genetic study by Jessica Lynch Alfaro et al. elevated it to species...
Bothrops lutzi, the Cerrado lancehead, is a species of venomous snake in the family Viperidae. The species is endemic to Brazil.
The Brazilian blind snake (Trilepida brasiliensis ) is a species of snake in the family Leptotyphlopidae.
Gymnodactylus amarali is a species of lizard in the family Phyllodactylidae. The species is endemic to Brazil.
Amaral's Brazilian gecko (Hemidactylus brasilianus ) is a species of nocturnal geckos from the arid Jalapão Region, Minas Gerais/Bahia (Brazil). It is a bluish-gray, oviparous tree-dwelling species, feeding on herbivorous insects and other...
Rhinella rubescens is a species of toad in the family Bufonidae.It is endemic to Brazil.Its natural habitats are moist savanna, subtropical or tropical moist shrubland, subtropical or tropical high-altitude shrubland, rivers, freshwater marshes,...
Bachia oxyrhina is a species of lizard in the family Gymnophthalmidae. It is endemic to Brazil.
Vanzosaura savanicola is a species of lizard in the family Gymnophthalmidae. It is endemic to Brazil.
Serrasalmus geryi, known as the violet line piranha or Gery's piranha, is a species of piranha of the family Serrasalmidae. It is found in the lower Tocantins and Araguaia Rivers of Brazil. The species is notable for being the one of only the...
Thayeria boehlkei is a species of characin fish endemic to the Amazon river basin and Araguaia river, in Peru and Brazil respectively. The species is popular with aquarium hobbyists where it is traded under a variety of common names including...
Potamotrygon rex, the great river stingray, is a species of freshwater stingray belonging to the family Potamotrygonidae, native to South America in the Neotropical region. P. rex, along with some other Potamotrygon species form a sub-species group...
The black ghost knifefish (Apteronotus albifrons) is a tropical fish belonging to the ghost knifefish family (Apteronotidae). They originate in freshwater habitats in South America where they range from Venezuela to the Paraguay–Paraná River,...
Hoplias curupira, also known as the black wolf-fish, has a wide distribution in the Amazon basin but was described as recently as 2009.
Acanthicus adonis, the adonis pleco or polka dot lyre-tail pleco, is a large species of armored catfish. It was originally described from the lower Tocantins River in Brazil, but individuals resembling the species have also been recorded from...
Australoheros facetus, formerly Cichlasoma facetum, the chameleon cichlid or chanchito, is a species of cichlid from the subfamily Cichlasomatinae which is native to northern Argentina, Paraguay, Uruguay and southern Brazil.
The ember tetra (Hyphessobrycon amandae) is a freshwater fish of the characin family (family Characidae) oforder Characiformes. It is native to the Araguaia River basin of Brazil and was discovered in 1987 and named in honor of the fish explorer...
Abramites hypselonotus – known as the marbled headstander or the high-backed headstander – is a member of the family Anostomidae of the order Characiformes. Under normal fish classifying rules, the marbled headstander would be classified as a...
Pterygoplichthys joselimaianus is a species of armored catfish endemic to Brazil where it occurs in the Tocantins River basin. It grows to a length of 30.5 centimetres (12.0 in) SL.
Avicularia avicularia, sometimes called the pinktoe tarantula, is a species of tarantula native from Venezuela, Guyana, Suriname, French Guiana and Trinidad and Tobago to Peru, Bolivia and Brazil. This species is sometimes called the Guyana pinktoe,...
Colomesus asellus, the Amazon puffer, asellus puffer, South American freshwater puffer, Peruvian puffer, or Brazilian puffer is a species of pufferfish confined to the Amazon, Essequibo and Orinoco basins in tropical South America. It is a popular...
Peckoltia vittata is a species of catfish belonging to the subfamily Hypostominae of the family Loricariidae.
Megaleporinus obtusidens is a South American species of headstander that inhabits the basins of the Paraná River and the Río de la Plata, the Uruguay River, and the São Francisco River (including minor rivers and tributaries like the Bermejo,...
Phoneutria eickstedtae is a species of spider in the family Ctenidae, found in Brazil.
The redeye tetra (Moenkhausia sanctaefilomenae), is a species of tetra from the São Francisco, upper Paraná, Paraguay and Uruguay river basins in eastern and central South America. This freshwater fish is commonly kept in aquariums and bred in large...
Retroculus lapidifer is a species of cichlid native to tropical South America, where it is found in the rivers of the southeastern Amazon basin in Brazil. This fish was first described in 1855 by the French naturalist Francis de Laporte de...
Pristella maxillaris is a species of characin in the genus Pristella, and is commonly known as the X-ray fish or X-ray tetra because of its translucent body. It is a widely distributed and adaptable fish, found in the Amazon and Orinoco basins, as...
Acanthicus hystrix, the lyre-tail pleco, is a species of armored catfish native to the Amazon, Tocantins–Araguaia and Orinoco basins. It is typically found at various depths on a rock or rock–gravel bottom in the main channel of rivers in places...
Leporinus fasciatus, commonly known as the banded leporinus or the black-banded leporinus, is a species of characin in the family Anostomidae. L. fasciatus is native to the Amazon Basin in South America, but has been introduced into the US states of...
Pimelodus pohli is a species of catfish belonging to the family Pimelodidae. It is only found in the São Francisco River, Brazil, and its tributaries.Smaller, younger members of this species (under 10.0 centimetres (3.9 in) standard length) have the...
The gold tetra (Hemigrammus rodwayi) is a species of small freshwater fish in the family Characidae native to lowland South America, where they are abundant in coastal floodplains. Their name comes from a powdery golden tint on their body that is...
