Mackerel is a common name applied to a number of different species of pelagic fish, mostly from the family Scombridae. They are found in both temperate and tropical seas, mostly living along the coast or offshore in the oceanic environment.
The silver arowana is a South American freshwater bony fish of the family Osteoglossidae. Silver arowanas are sometimes kept in aquariums, but they are predatory and require a very large tank.
The rodent subfamily Sigmodontinae includes New World rats and mice, with at least 376 species. Many authorities include the Neotominae and Tylomyinae as part of a larger definition of Sigmodontinae. When those genera are included, the species count numbers at least 508. Their distribution includes much of the New World, but the genera are predominantly South American, such as brucies. They invaded South America from Central America as part of the Great American Interchange near the end of the Miocene, about 5 million years ago. Sigmodontines proceeded to diversify explosively in the formerly isolated continent. They inhabit many of the same ecological niches that the Murinae occupy in the Old World.
Red colobuses are Old World monkeys of the genus Piliocolobus. It was formerly considered a subgenus within the genus Procolobus, which is now restricted to the olive colobus. They are closely related to the black-and-white colobus monkeys, and some species are often found in groups with the blue monkey. The western red colobus is frequently hunted by the common chimpanzee.
The black arowana is a South American freshwater bony fish of the family Osteoglossidae. Black arowanas are sometimes kept in aquariums, but they are predatory and require a very large tank. It is generally common, but large numbers are caught as food and for the aquarium fish trade.
Ferreira's spiny tree-rat is a spiny rat species found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela. The etymology of the species name corresponds to the Latin word hispidus meaning bristly.
The montane fish-eating rat is a species of semiaquatic rodent in the family Cricetidae. It inhabits the Andes Mountains of Colombia and Ecuador.
Musso's fish-eating rat is a species of rodent in the family Cricetidae endemic to western Venezuela, where it has been found at altitudes of 1000 to 1200 m. It is semiaquatic and feeds on freshwater invertebrates.
Oyapock's fish-eating rat is a species of rodent in the family Cricetidae. It is found in French Guiana and Brazil.
The Peruvian fish-eating rat is a species of semiaquatic rodent in the family Cricetidae. It is found only in eastern Peru, where it is known from locations at elevations from 200 to 400 m.
The Venezuelan fish-eating rat is a species of a Rodent in the family Cricetidae. It is found in Guyana and Venezuela.
Alexandre Rodrigues Ferreira was a Portuguese naturalist born in Brazil. He undertook an extensive journey which crossed the interior of the Amazon Basin to Mato Grosso, between 1783 and 1792. During this journey, he described the agriculture, flora, fauna, and native inhabitants.
The rainbow parrotfish is a species of fish in the family Scaridae.
Fish-eating rat can refer to several related semiaquatic South American rodents of tribe Ichthyomyini:
Trochus ferreirai is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Planodema is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
Loxopholis ferreirai is a species of lizard in the family Gymnophthalmidae. The species is endemic to Brazil.
The Munduruku marmoset is a marmoset endemic to Brazil. It is found only in the southern Amazon, in an area of approximately 120,000 km2, from the right bank of the Jamanxim River, below the mouth of the Rio Novo, to the mouth of the Tapajós River, below the mouth of the Cururu River. According to researcher and discoverer Rodrigo Araújo, approximately half of the distribution area lies within Mundurucu Indigenous Territory in the Amazonas state. The name sagui-dos-Munduruku is a tribute to the Munduruku people who lives in the same location as the species.
Lepidozona is a genus of chitons belonging to the family Ischnochitonidae.
Archolaemus ferreirai is a species of glass knifefish endemic to Brazil where it is found in the Rio Mucajaí and Rio Uraricoera in the north-eastern portions of the Amazon basin. This species reaches a length of 34.2 cm (13.5 in).
