Ischnocnema Izecksohni
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''Ischnocnema izecksohni'' is a species of
frog A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...
s in the family
Brachycephalidae The Brachycephalidae () are a family of frogs confined to eastern and southern Brazil and northern Argentina. The family is composed of two externally quite different genera: the tiny, often (but not always) colourful and plump saddleback toads ( ...
. It is
endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to the state of
Minas Gerais Minas Gerais () is a state in Southeastern Brazil. It ranks as the second most populous, the third by gross domestic product (GDP), and the fourth largest by area in the country. The state's capital and largest city, Belo Horizonte (literally ...
,
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
, and known from the Espinhaço and
Mantiqueira Mountains The Mantiqueira Mountains (Portuguese: ''Serra da Mantiqueira iterally: Mantiqueira Mountains Chain') are a mountain range in Southeastern Brazil, with parts in the states of São Paulo, Minas Gerais and Rio de Janeiro. It rises abruptly from the ...
. Common name Izecksohn's robber frog has been coined for this species.


Etymology

The specific name ''izecksohni'' honours
Eugênio Izecksohn Eugênio Izecksohn (1932 – June 2013) was a Brazilian herpetologist.
, a Brazilian herpetologist.


Description

The
type series In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes the ...
consists of three individuals, an adult male measuring and two adult females measuring in snout–vent length. It is a relatively slender ''Ischnocnema''. The head is as wide as long. The
canthus rostralis In snakes and amphibians, the canthus, canthal ridge or ''canthus rostralis'',Spawls S, Branch B. 1995. ''The Dangerous Snakes of Africa''. Ralph Curtis Books. Dubai: Oriental Press. 192 pp. . is the angle between the flat crown of the head and the ...
is distinct. The tympanum is relatively small but distinct. The fingers and toes are slender with apical discs, most of them small. The dorsum is smooth and has minute, scattered tubercles. The upper eyelids are tuberculate.


Habitat and conservation

Its natural
habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
s are gallery forests and forest edges along creeks at elevations of
above sea level Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as ''orthometric heights''. The comb ...
. It also survives in secondary forests. It lives in leaf-litter on the forest floor. It is threatened by
habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...
and degradation caused by logging, disturbance due to tourism, and infrastructure development.


References

{{DEFAULTSORT:Ischnocnema Izecksohni izecksohni Endemic fauna of Brazil Amphibians of Brazil Amphibians described in 1989 Taxa named by Ulisses Caramaschi Taxonomy articles created by Polbot