MammalBase - Accepted taxon: Enhydra lutris

Accepted taxon: Enhydra lutris
Taxon:	Enhydra lutris
Rank:	Species
Higher Classification:	CARNIVORA \| CANIFORMIA \| Mustelidae \| Lutrinae \| Enhydra
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 Enhydra lutris diet.
CF (Crude Fibre) 1, ASH (Ash contents) 16, NFE (Nitrogen-Free-Extract) 11, CP (Crude Protein) 63, EE (Ether Extract) 9. 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 Enhydra lutris.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Haliotis	WHOLE	39.68	Damuth, J…
Echinoidea	WHOLE	30.16	Damuth, J…
Osteichthyes	WHOLE	9.52	Nowak,R. …
Arthropoda	WHOLE	7.14	Damuth, J…
Animalia	WHOLE	5.56	Reid,F., …
Brachyura	WHOLE	4.76	Nowak,R. …
Mollusca	WHOLE	3.17	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 Enhydra lutris.
Trait	Selected Value	All Value(s)	Reference(s)
Locomotion: Eisenberg 1981	Aquatic	Aquatic	– 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	Crustacivore and Clam-Eater, Piscivore and Squid-Eater	– Brian K. McNab, 1986, 'The Influence of Food Habits on the Energetics of Eutherian Mammals', Ecological Monographs, vol. 56, no. 1, p. 1, John L. Gittleman, 1985, 'Carnivore body size: Ecological and taxonomic correlates', Oecologia, vol. 67, no. 4, pp. 540-554
Dietary category: Miljutin 2009	Animalivore	Animalivore, Frugivore	– A. R. Friscia, B. Van Valkenburgh, A. R. Biknevicius, 2007, 'An ecomorphological analysis of extant small carnivorans', Journal of Zoology, vol. 272, no. 1, pp. 82-100, Brian K. McNab, 1986, 'The Influence of Food Habits on the Energetics of Eutherian Mammals', Ecological Monographs, vol. 56, no. 1, p. 1, John L. Gittleman, 1985, 'Carnivore body size: Ecological and taxonomic correlates', Oecologia, vol. 67, no. 4, pp. 540-554
Temporal habits	diurnal	diurnal	– John L. Gittleman, 1985, 'Carnivore body size: Ecological and taxonomic correlates', Oecologia, vol. 67, no. 4, pp. 540-554

Table 3. List of Standard Measurements for Enhydra lutris.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	1	1	-	-	-	34,473	-	-	Engelman,…

Table 4. List of other Measurements ^b. for Enhydra lutris.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)

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

Table 5. List of Data Sources for Enhydra lutris.
Taxon	Reference	Match	Status
Enhydra lutris	McNab,B. K., 1986, The influence of food habits on the energetics of eutherian mammals, Ecological Monographs	1: Exact Taxon match	Verified - Accepted
Enhydra lutris	Gittleman,J. L., 1985, Carnivore body size: ecological and taxonomic correlates, Oecologia	1: Exact Taxon match	Verified - Accepted
Enhydra lutris	Friscia,AR, 2006, An ecomorphological analysis of extant small carnivorans, Journal of zoology	1: Exact Taxon match	Verified - Accepted
Enhydra lutris	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
Enhydra lutris	Reid,F., 2006, Peterson field guide to mammals of North America,	1: Exact Taxon match	Verified - Accepted
Enhydra lutris	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Enhydra lutris	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Enhydra lutris	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
Enhydra lutris	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.	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 Enhydra lutris , Accessed 16th April 2026 at https://mammalbase.net/me/14755]