Animalia > Chordata > Mammalia > Carnivora > Phocidae > Halichoerus > Halichoerus grypus

Halichoerus grypus (Gray Seal; horsehead; Baltic gray seal; Atlantic seal; Atlantic gray seal)

Synonyms:
Language: French

Wikipedia Abstract

The grey seal (Halichoerus grypus, meaning "hooked-nosed sea pig") is found on both shores of the North Atlantic Ocean. It is a large seal of the family Phocidae or "true seals". It is the only species classified in the genus Halichoerus. Its name is spelled gray seal in the US; it is also known as Atlantic seal and the horsehead seal.
View Wikipedia Record: Halichoerus grypus

Infraspecies

Halichoerus grypus atlantica
Halichoerus grypus grypus (Grey seal)

EDGE Analysis

Uniqueness Scale: Similiar (0) 
3
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
22
 Unique & Vulnerable (100)
ED Score: 7.75
EDGE Score: 2.17
Learn more at EDGE of Existence programme

Attributes

Gestation [2]  8 months
Litter Size [2]  1
Litters / Year [2]  1
Maximum Longevity [2]  43 years
Snout to Vent Length [4]  7.183 feet (219 cm)
Speed [5]  3.825 MPH (1.71 m/s)
Water Biome [1]  Coastal, Brackish Water
Weaning [2]  19 days
Adult Weight [2]  590.842 lbs (268.00 kg)
Birth Weight [2]  30.865 lbs (14.00 kg)
Diet [3]  Carnivore (Invertebrates), Piscivore
Diet - Fish [3]  80 %
Diet - Invertibrates [3]  20 %
Forages - Marine [3]  100 %
Female Maturity [2]  4 years
Male Maturity [2]  5 years 2 months

Protected Areas

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Prey / Diet

Prey / Diet Overlap

Consumers

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
♦ 2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 4Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 5How fast does a seal swim? Variations in swimming behaviour under differing foraging conditions, Susan L. Gallon, Carol E. Sparling, Jean-Yves Georges, Michael A. Fedak, Martin Biuw and Dave Thompson, The Journal of Experimental Biology 210, 3285-3294 (2007)
♦ 6Offshore diet of grey seals Halichoerus grypus near Sable Island, Canada, W. D. Bowen, G . D. Harrison, Mar. Ecol. Prog. Ser. 112: 1-11, 1994
♦ 7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 8CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
♦ 9Nunn, C. L., and S. Altizer. 2005. The Global Mammal Parasite Database: An Online Resource for Infectious Disease Records in Wild Primates. Evolutionary Anthroplogy 14:1-2.
♦ 10Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0