Ctenomys lami, Freitas, 2001
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publication ID |
https://doi.org/ 10.5281/zenodo.6588177 |
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DOI |
https://doi.org/10.5281/zenodo.6587969 |
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persistent identifier |
https://treatment.plazi.org/id/59304B44-1B14-FFD8-FF36-F03AF721F946 |
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treatment provided by |
Carolina |
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scientific name |
Ctenomys lami |
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25. View Plate 31: Ctenomyidae
Lami Tuco-tuco
French: Tuco-tuco de Lami / German: Lami-Kammratte / Spanish: Tuco tuco de Lami
Taxonomy. Ctenomys lami Freitas, 2001 View in CoL ,
“Beco dos Cegos, Lami Beach in the Guaiba river, near Porto Alegre, at 30°14" §S, 51°07’ W,” Rio Grande do Sul, Brazil .
Ctenomys lami has 2n = 54, 55a, 55b, 56a, 56b 57, and 58 and FN = 76-82. Based on mtDNA analysis,it is classified as belonging to the torquatusspecies group. Phylogeographic pattern was determined, showing a relationship with diploid number variation; 18 haplotypes were found in 166 specimens. Sperm form is symmetric. Monotypic.
Distribution. S Brazil, distributed in the region known as “Coxilha da [L.ombas,” Rio Grande do Sul State. View Figure
Descriptive notes. Total length 231-310 mm, tail 67-92 mm, hindfoot 31-42 mm; weight 170-307 g. Measurements of the holotype were: total length 257 mm, tail 79 mm, ear 8 mm, hindfoot 36 mm; weight 370 g. The Lami Tuco-tuco is medium to large-sized. Dorsum is dark brownish, with each hair dark grayish basally and brownish near tip. Ventral pelage is paler. Skull is wide, and braincase is oval-shaped, measuring one-third length ofskull. In dorsal view, nasal bones are wide anteriorly and taper posteriorly; frontal has flat surface from interorbital constriction to posterior region; and frontoparietal suture is round. Zygomatic arch is square and robust. Mandible has long and narrow coronoid process. Upperincisors are large and orthodont and have orange enamel.
Habitat. Sandy soils in lowlands characterized by pastures and anthropogenic vegetation.
Food and Feeding. The Lami Tuco-tuco generally feeds on grasses and bushes.
Breeding. Breeding of the Lami Tuco-tuco occurs in June-December, and litter sizes are 1-3 young.
Activity patterns. There is no information available for this species.
Movements, Home range and Social organization. The Lami Tuco-tuco is solitary.
Status and Conservation. Classified as Vulnerable on The IUCN Red List. Extent of occurrence of the Lami Tuco-tuco is less than 20,000 km? (known from less than five locations), and extent and quality ofits habitat are declining.
Bibliography. Bidau (2015), Cook & Salazar-Bravo (2004), El Jundi & Freitas (2004), Freitas (1995a, 2001, 2006, 2007), Gava & Freitas (2003), Lopes & Freitas (2012), Parada et al. (2011).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
