Animalia > Chordata > Elasmobranchii > Rajiformes > Arhynchobatidae > Bathyraja > Bathyraja parmifera

Bathyraja parmifera (Flathead skate; Alaska skate)

Language: Danish; Dutch; Mandarin Chinese


Adult Weight [1]  22.068 lbs (10.01 kg)
Female Maturity [1]  10 years
Male Maturity [1]  8 years
Maximum Longevity [1]  17 years

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Aleutian Islands Biosphere Reserve 2720489 Alaska, United States    
Sikhote-Alinskiy Biosphere Reserve 978001 Russia  

Prey / Diet

Prey / Diet Overlap


Fusitriton oregonensis (Oregon triton)[2]
Gadus macrocephalus (Pacific cod)[2]
Hippoglossus stenolepis (Pacific halibut)[2]


Parasitized by 
Gonocerca phycidis[4]
Grillotia borealis[4]
Otodistomum cestoides[4]
Steganoderma formosum[4]
Stenakron vetustum[4]


Alaska (USA); East Bering Sea; Gulf of Alaska; Japan; Kamchatka; Kuroshio Current; North Pacific: Bering Sea to southeastern Alaska.; Pacific Ocean; Pacific, Northeast; Pacific, Northwest; Russian Federation; Sea of Japan; Sea of Okhotsk; West Bering Sea;

External References



Attributes / relations provided by
1de 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
2Jorrit 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.
3The Diets and Feeding Habits of Some Deep-Water Benthic Skates (Rajidae) in the Pacific Waters Off the Northern Kuril Islands and Southeastern Kamchatka, Alexei M. Orlov, Alaska Fishery Research Bulletin 5(1):1–17. 1998
4Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London