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MammalBase - Accepted taxon: Aonyx capensis

Accepted taxon: Aonyx capensis


Accepted taxon: Aonyx capensis
Taxon: Aonyx capensis
Rank: Species
Higher Classification: CARNIVORA | CANIFORMIA | Mustelidae | Lutrinae | Aonyx
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 Aonyx capensis diet.
CF (Crude Fibre) 3, ASH (Ash contents) 26, NFE (Nitrogen-Free-Extract) 10, CP (Crude Protein) 54, EE (Ether Extract) 8. 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 Aonyx capensis.
TSN Complete name Part Ratio a. Reference(s)
Bivalvia WHOLE 25.00 Nowak,R. …
Crustacea WHOLE 16.67 Damuth, J…
Mollusca WHOLE 12.50 Damuth, J…
Vertebrata WHOLE 10.00 Damuth, J…
Brachyura WHOLE 8.33 Nowak,R. …
Oligochaeta WHOLE 7.50 Damuth, J…
Osteichthyes WHOLE 6.67 Damuth, J…
Insecta WHOLE 5.00 Damuth, J…
Anura WHOLE 3.33 Nowak,R. …
Arthropoda WHOLE 2.50 Damuth, J…
Testudines WHOLE 2.50 Damuth, J…

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 Aonyx capensis.
Trait Selected Value All Value(s) Reference(s)
Dietary category: Miljutin 2009 Animalivore Animalivore, Frugivore – Djagoun,S., 2009, Small carnivorans from southern Benin: a preliminary assessment of diversity and hunting pressure, Small Carnivore Conservation, John L. Gittleman, 1985, 'Carnivore body size: Ecological and taxonomic correlates', Oecologia, vol. 67, no. 4, pp. 540-554
Temporal habits diurnal diurnal, nocturnal and crepuscular – Djagoun,S., 2009, Small carnivorans from southern Benin: a preliminary assessment of diversity and hunting pressure, Small Carnivore Conservation, John L. Gittleman, 1985, 'Carnivore body size: Ecological and taxonomic correlates', Oecologia, vol. 67, no. 4, pp. 540-554
Locomotion: Eisenberg 1981 Aquatic Aquatic, Terrestrial – Djagoun,S., 2009, Small carnivorans from southern Benin: a preliminary assessment of diversity and hunting pressure, Small Carnivore Conservation, John L. Gittleman, 1985, 'Carnivore body size: Ecological and taxonomic correlates', Oecologia, vol. 67, no. 4, pp. 540-554
Dietary category: Eisenberg 1981 Piscivore and Squid-Eater Piscivore and Squid-Eater – Djagoun,S., 2009, Small carnivorans from southern Benin: a preliminary assessment of diversity and hunting pressure, Small Carnivore Conservation

Table 3. List of Standard Measurements for Aonyx capensis.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
Basilar Length (BL) South Africa mm 3 - - 3 118 120.3 122 - Serge Lar…
Basilar Length (BL) South Africa mm 3 - 3 - 112 118.3 122 - Serge Lar…
Body Mass - Female (BM-F) Tsitsikama National Park g 3 - 3 - 11,000 11,900 13,000 - Serge Lar…
Body Mass - Female (BM-F) Cape province in South Africa g 3 - 3 - 10,600 12,900 14,200 - Serge Lar…
Body Mass - Female (BM-F) Natal g 1 - 1 - - 11,800 - - Serge Lar…
Body Mass - Female (BM-F) Zimbabwe g 2 - 2 - 12,300 14,300 16,300 - Serge Lar…
Body Mass - Male (BM-M) Cape province in South Africa g 7 - - 7 11,500 15,100 21,000 - Serge Lar…
Body Mass - Male (BM-M) Natal g 1 - - 1 - 16,400 - - Serge Lar…
Body Mass - Male (BM-M) Zimbabwe g 9 - - 9 10,000 12,300 15,400 - Serge Lar…
Body Mass - Male (BM-M) Tsitsikama National Park g 13 - - 13 10,000 13,700 17,800 - Serge Lar…
Ear Length - Female (EL-F) Cape province in South Africa mm 2 - 2 - 28 28 29 - Serge Lar…
Ear Length - Male (EL-M) Cape province in South Africa mm 7 - - 7 23 31 35 - Serge Lar…
Head-Body Length - Female (HBL-F) Cape province in South Africa mm 2 - 2 - 730 733 736 - Serge Lar…
Head-Body Length - Male (HBL-M) Cape province in South Africa mm 7 - - 7 762 829 880 - Serge Lar…
Hind Foot Length - Female (HFL-F) Cape province in South Africa mm 2 - 2 - 130 135 139 - Serge Lar…
Hind Foot Length - Male (HFL-M) Cape province in South Africa mm 7 - - 7 130 152 170 - Serge Lar…
Tail Length - Female (TL-F) Cape province in South Africa mm 2 - 2 - 495 500 515 - Serge Lar…
Tail Length - Male (TL-M) Cape province in South Africa mm 7 - - 7 465 487 515 - Serge Lar…

Table 4. List of other Measurements b. for Aonyx capensis.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
Gestation days - - - - - 63 - - LariviÅ
Greatest length of skull Cape Province, South Africa mm 7 - - 7 134 138 144 - LariviÅ
Greatest length of skull Cape Province, South Africa mm 2 - 2 - 128 131 134 - LariviÅ
greatest length of skull females South Africa mm 3 - 3 - 125 131 134 - LariviÅ
greatest length of skull males South Africa mm 3 - - 3 132 134 136 - LariviÅ
interorbital constriction, females South Africa mm 3 - 3 - 29 29 31 - LariviÅ
interorbital constriction, males South Africa mm 3 - - 3 32 33 35 - LariviÅ
intertemporal constriction, females South Africa mm 3 - 3 - 27 28 28 - LariviÅ
intertemporal constriction, males South Africa mm 3 - - 3 27 29 30 - LariviÅ
litter size n/a - - - - 1 2 3 - LariviÅ
mastoid breadth, females South Africa mm 3 - 3 - 86 91 94 - LariviÅ
mastoid breadth, males South Africa mm 3 - - 3 93 97 100 - LariviÅ
Number of mammae mm - - - - - 4 - - LariviÅ
Scat diameter mm 185 185 - - - 26 - 2 LariviÅ
zygomatic breadth, females South Africa mm 3 - 3 - 91 93 96 - LariviÅ
zygomatic breadth, males South Africa mm 3 - - 3 96 99 102 - LariviÅ

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


Table 5. List of Data Sources for Aonyx capensis.
Taxon Reference Match Status
Aonyx capensis Djagoun,S., 2009, Small carnivorans from southern Benin: a preliminary assessment of diversity and hunting pressure, Small Carnivore Conservation 1: Exact Taxon match Verified - Accepted
Aonyx capensis Gittleman,J. L., 1985, Carnivore body size: ecological and taxonomic correlates, Oecologia 1: Exact Taxon match Verified - Accepted
Aonyx congicus Larivière, Serge. "Aonyx congicus." Mammalian species (2001): 1-3. Created - Not verified
Aonyx capensis Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities. 1: Exact Taxon match Verified - Accepted
Aonyx congicus Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities. Created - Not verified
Aonyx capensis Larivière, Serge. "Aonyx capensis." Mammalian species (2001): 1-6. 1: Exact Taxon match Verified - Accepted
Aonyx capensis Nowak,R. M., 1991, Walker's mammals of the world, 1: Exact Taxon match Verified - Accepted
Aonyx capensis Nowak,R. M., 1991, Walker's mammals of the world, 1: Exact Taxon match Verified - Accepted
Aonyx capensis Larivière, Serge. "Aonyx capensis." Mammalian species (2001): 1-6. 1: Exact Taxon match Verified - Accepted
Aonyx capensis Law, C.J., Blackwell, E.A., Curtis, A.A., Dickinson, E., Hartstone‐Rose, A. and Santana, S.E., 2022. Decoupled evolution of the cranium and mandible in carnivoran mammals. Evolution. 1: Exact Taxon match Verified - Accepted
Aonyx capensis Rowan, J., Beaudrot, L., Franklin, J., Reed, K.E., Smail, I.E., Zamora, A. and Kamilar, J.M., 2020. Geographically divergent evolutionary and ecological legacies shape mammal biodiversity in the global tropics and subtropics. Proceedings of the National Academy of Sciences, 117(3), pp.1559-1565. 1: Exact Taxon match Verified - Accepted

Citation for this page: [The MammalBase community 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Aonyx capensis , Accessed 16th April 2026 at https://mammalbase.net/me/14744]