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MammalBase - Accepted taxon: Hydrochoeris hydrochaeris

Accepted taxon: Hydrochoeris hydrochaeris


Accepted taxon: Hydrochoeris hydrochaeris
Taxon: Hydrochoeris hydrochaeris
Rank: Species
Higher Classification: RODENTIA | HYSTRICOMORPHA | HYSTRICOGNATHI | Caviidae | Hydrochoerinae | Hydrochoeris
Reference: Wilson, Don E., and DeeAnn M. Reeder, eds. Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), JHU Press, 2005.

Fig.1 - Ternary plot of the proximate analysis for the Hydrochoeris hydrochaeris diet.
CF (Crude Fibre) 24, ASH (Ash contents) 11, NFE (Nitrogen-Free-Extract) 49, CP (Crude Protein) 14, EE (Ether Extract) 2. See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets. Mammalian Biology, pp.1-15. [DOI]


Table 1. List of Diet Items for Hydrochoeris hydrochaeris.
TSN Complete name Part Ratio a. Reference(s)
Magnoliopsida SHOOT 40.44 Damuth, J…
Poaceae STEM 40.00 Damuth, J…
Animalia FECES 8.89 Grzimek,B…
Poaceae SEED 5.33 Nowak,R. …
Cucumis FRUIT 3.56 Nowak,R. …
Cucurbitaceae FRUIT 1.78 Nowak,R. …

a. Standardized values. See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets. Mammalian Biology, pp.1-15. [DOI]


Table 2. List of Standard Traits for Hydrochoeris hydrochaeris.
Trait Selected Value All Value(s) Reference(s)
Dietary category: Eisenberg 1981 Herbivore-Browser Herbivore-Browser,Herbivore-Grazer Arends, A…
Dietary category: Miljutin 2009 Herbivore Herbivore Arends, A…
Locomotion: Eisenberg 1981 Semiaquatic Aquatic,Semiaquatic Arends, A…

Table 3. List of Standard Measurements for Hydrochoeris hydrochaeris.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
Body Mass (BM) nan g - - - - 20,000 - 91,000 - Freudenth…
Body Mass (BM) nan g 4 4 - - - 34,360.81 - - Engelman,…
Body Mass (BM) nan g - - - - - 50,000 - - Lundgren,…
Body Mass (BM) Brazil g - - - - 35,000 50,000 65,000 - Paglia,A.…
Body Mass (BM) nan g - - - - - 71,450 - - Ferreira,…
Body Mass (BM) New World g - - - - - 26,385 - - Arends, A…
Head-Body Length (HBL) nan mm - - - - - 1,212 - - Engelman,…
Occipital condyle width (OCW) nan mm 4 4 - - - 35.33 - - Engelman,…

Table 4. List of other Measurements b. for Hydrochoeris hydrochaeris.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
brainmass nan g - - - - - 75 - - Engelman,…
skull_length nan mm - - - - - 223 - - Engelman,…
BMR (kJ/h) nan kJ/h - - - - - 132 - - McNab, B.…
femur circumference nan mm - - - - - 59 - - Nelson, A…
femur diameter nan mm - - - - - 21 - - Nelson, A…
humerus circumference nan mm - - - - - 49 - - Nelson, A…
humerus diameter nan mm - - - - - 13 - - Nelson, A…
BCL, basicranial length nan mm 1 1 - - - 49 - - Ferreira,…
DL, diastema length nan mm 1 1 - - - 70 - - Ferreira,…
FW, frontal width nan mm 1 1 - - - 77 - - Ferreira,…
IW, incisor width nan mm 1 1 - - - 30 - - Ferreira,…
RL, rostral length nan mm 1 1 - - - 162 - - Ferreira,…
skull, condyle-basal length of the skull nan mm 1 1 - - - 232 - - Ferreira,…
TL, total length of skull nan mm 1 1 - - - 253 - - Ferreira,…
Upper T, Upper incisor transverse diameter nan mm 1 1 - - - 14 - - Ferreira,…
UTRW, Upper tooth row length nan mm 1 1 - - - 83 - - Ferreira,…
ZL, zygomatic arc length nan mm 1 1 - - - 128 - - Ferreira,…

b. other Measurements. Source Measurements which are not listed on or mapped with the Standard Traits..


Table 5. List of Data Sources for Hydrochoeris hydrochaeris.
Taxon Reference Match Status
Hydrochaeris hydrochaeris Robinson,John G., 1986, Body Size, Diet, and Population Density of Neotropical Forest Mammals, The American Naturalist 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochoerus hydrochaeris SAMUELS,J. X., 2009, Cranial morphology and dietary habits of rodents, Zoological Journal of the Linnean Society 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochaeris hydrochaeris Samuels,J. X., 2008, Skeletal indicators of locomotor adaptations in living and extinct rodents, Journal of Morphology 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochoerus hydrochaeris Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals, 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochaeris hydrochaeris Arends,A., 2001, The comparative energetics of ‘caviomorph’rodents, Comparative Biochemistry and Physiology-Part A: Molecular & Integrative Physiology 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochaeris hydrochaeris Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities. 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochaeris hydrochaeris Nowak,R. M., 1991, Walker's mammals of the world, 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochaeris hydrochaeris Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V, 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochaeris hydrochaeris Nowak,R. M., 1991, Walker's mammals of the world, 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochoerus hydrochaeris Engelman, R.K., 2022. Occipital condyle width (OCW) is a highly accurate predictor of body mass in therian mammals. BMC biology, 20(1), p.37. 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochoerus hydrochaeris DeMers, A.C., 2023. Functional Significance of the Mandible, Tooth Roots, and Tooth Crowns, and their Implications for Fossil Dietary Inference (Doctoral dissertation, The Ohio State University). 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochoerus hydrochaeris Lundgren, E.J., Schowanek, S.D., Rowan, J., Middleton, O., Pedersen, R.Ø., Wallach, A.D., Ramp, D., Davis, M., Sandom, C.J. and Svenning, J.C., 2021. Functional traits of the world’s late Quaternary large-bodied avian and mammalian herbivores. Scientific data, 8(1), p.17. 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochaeris hydrochaeris McNab, B.K., 2008. An analysis of the factors that influence the level and scaling of mammalian BMR. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 151(1), pp.5-28. 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochoerus hydrochaeris Nelson, A., Engelman, R.K. and Croft, D.A., 2023. How to weigh a fossil mammal? South American notoungulates as a case study for estimating body mass in extinct clades. Journal of Mammalian Evolution, 30(3), pp.773-809. 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochoerus hydrochaeris Ferreira, J.D., Rinderknecht, A., de Moura Bubadué, J., Gasparetto, L.F., Dozo, M.T., Sánchez-Villagra, M.R. and Kerber, L., 2024. Unveiling the neuroanatomy of Josephoartigasia monesi and the evolution of encephalization in caviomorph rodents. Brain Structure and Function, pp.1-15. 51: Name variant or misspelling of the taxon Verified - Accepted
Hydrochoerus hydrochaeris Freudenthal, M. and Martín-Suárez, E., 2013. Estimating body mass of fossil rodents. Scripta Geologica, 145, pp.1-513. 51: Name variant or misspelling of the taxon Verified - Accepted

Citation for this page: [The MammalBase community 2024. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Hydrochoeris hydrochaeris , Accessed 20th September 2024 at https://mammalbase.net/me/9940]