Caecilia mertensi

Caecilia mertensi is a species of caecilian in the family Caeciliidae from South America.[3] The type locality is imprecise: the holotype was purportedly collected in "Seychelle Isle", but most likely originates from South America.[1][2][3] However, more recently, several specimens have been collected from Mato Grosso, Brazil.[3][4] The specific name mertensi honors Robert Mertens, a German zoologist and herpetologist.[5] Common name Mertens' caecilian has been coined for this species.[3][5]

Caecilia mertensi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Gymnophiona
Clade: Apoda
Family: Caeciliidae
Genus: Caecilia
Species:
C. mertensi
Binomial name
Caecilia mertensi
Taylor, 1973[2]

Description

The holotype is unsexed and measures 495 mm (19.5 in) in total length. The body is 12.5 mm (0.5 in) wide. The head is slightly tapering, and the snout is projecting. The eyes are very small but visible externally. There are 142 mostly incomplete primary folds and 48 secondary folds. The body is partly covered by scales. Coloration is light brown, turning into grayish brown laterally. The head is grayish.[2]

Habitat and conservation

There is no habitat data for the type series.[1] The Mato Grosso records are from the Amazon biome or from its transition zone with the Cerrado. Most of the records are from areas affected by hydropower development.[4] In 2004 it was assessed as "data deficient" for the IUCN Red List of Threatened Species.[1]

References
  1. Mark Wilkinson (2004). "Caecilia mertensi". IUCN Red List of Threatened Species. 2004: e.T59520A11955115. doi:10.2305/IUCN.UK.2004.RLTS.T59520A11955115.en. Retrieved 17 November 2021.
  2. Taylor, Edward H. (1973). "A caecilian miscellany". University of Kansas Science Bulletin. 50: 187–231. doi:10.5962/bhl.part.25759.
  3. Frost, Darrel R. (2019). "Caecilia mertensi Taylor, 1973". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 28 January 2019.
  4. Faria, H. A. B. & Mott, T. (2011). "Geographic distribution of caecilians (Gymnophiona, Amphibia) in the state of Mato Grosso, Brazil with a new state record for Caecilia mertensi Taylor 1973". Herpetology Notes. 4: 53–56.
  5. Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 141. ISBN 978-1-907807-42-8.
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