| 词条 | Bothrops erythromelas |
| 释义 |
| name = Bothrops erythromelas | status = LC | status_system = iucn3.1 | status_ref = [1] | genus = Bothrops | species = erythromelas | authority = Amaral, 1923 | range_map = Bothropoides erythromelas distribution.png | synonyms = *Bothropoides erythromelas – Fenwick et al., 2009[2] }} Bothrops erythromelas, commonly known as the Caatinga lancehead or the jararaca-da-seca, is a species of venomous snake in the family Viperidae.[3] It is endemic to Brazil.[4] It belongs to reptile class. EtymologyThe specific name, erythromelas, is from the Ancient Greek words έρυθρός (érythrós), meaning "red", and μέλας (mélas), meaning "black", referring to this snakes coloration. Geographic rangeIt is found in the Brazilian states of Alagoas, Bahia, Ceará, Maranhão, Minas Gerais, Paraíba, Pernambuco, Piauí, Rio Grande do Norte, and Sergipe. The type locality is "near Joazeiro, State of Bahia, Brazil".[2] DescriptionAdults may attain a total length of {{convert|54|cm|in|abbr=on}}, which includes a tail {{convert|6.5|cm|in|abbr=on}} long. Dorsally, B. erythromelas is reddish brown, with a double series of black or dark brown triangular markings, which may be alternating or opposite. The head is dark brown on the top and sides, with some darker markings. Ventrally, it is yellowish, speckled with brown, and with dark spots extending from the sides of the ventrals onto the first two dorsal rows. The strongly keeled dorsal scales are arranged in 21 rows at midbody. Ventrals 144-155; anal plate entire; subcaudals divided 33-35.[5] HabitatThis species' common name refers to its habitat, the Caatinga, a large ecoregion in northeastern Brazil, which consists of xeric shrubland and thorn forest. References1. ^http://oldredlist.iucnredlist.org/details/178643/0 2. ^1 The Reptile Database. www.reptile-database.org. 3. ^McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. {{ISBN|1-893777-00-6}} (series). {{ISBN|1-893777-01-4}} (volume). 4. ^{{ITIS |id=209554 |taxon=Bothrops |accessdate=3 November 2006}} 5. ^Amaral. 1923. p. 96. Further reading
3 : Bothrops|Endemic fauna of Brazil|Reptiles described in 1923 |
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