Animalia > Chordata > Elasmobranchii > Rajiformes > Arhynchobatidae > Bathyraja > Bathyraja trachura
 

Bathyraja trachura (Roughtail skate; Black skate)

Synonyms: Bathyraja microtrachys; Raia trachura; Raja microtrachys; Raja trachura
Language: Dutch; Japanese; Mandarin Chinese; Salish; Spanish

Attributes

Female Maturity [1]  14 years 6 months
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    
Farallon National Wildlife Refuge IV 352 California, United States
Pacific Rim National Park Reserve II 137900 British Columbia, Canada

Prey / Diet

Bathymedon nepos[2]
Chionoecetes tanneri (grooved Tanner crab)[2]
Euphausia pacifica (Pacific krill)[2]
Merluccius productus (Whiting)[2]
Metacrangon variabilis (deepsea spinyhead)[2]
Sebastolobus altivelis (Idiotfish)[2]
Sergestes similis[2]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Alopias vulpinus (Zorro thresher shark)1
Anoplopoma fimbria (Skil)2
Balaenoptera acutorostrata (Minke Whale)1
Balaenoptera musculus (Blue Whale)1
Bathyraja interrupta (Sandpaper skate)2
Callorhinus ursinus (Northern Fur Seal)1
Cetorhinus maximus (Sun-fish)1
Citharichthys sordidus (Sanddab)1
Clupea pallasii pallasii (Pacific herring)1
Cololabis saira (Skipper)1
Delphinus delphis (Short-beaked Saddleback Dolphin)1
Diaphus theta (California headlightfish)1
Eschrichtius robustus (Gray Whale)1
Eubalaena japonica (North Pacific Right Whale)1
Kajikia audax (Stripey)1
Lagenorhynchus obliquidens (Pacific White-sided Dolphin)1
Lampanyctus jordani (Brokenline lanternfish)2
Larimichthys polyactis (Yellowfish)1
Larus occidentalis (Western Gull)1
Lissodelphis borealis (Northern Right Whale Dolphin)1
Lyopsetta exilis (Slender sole)1
Megaptera novaeangliae (Humpback Whale)1
Mirounga angustirostris (Northern Elephant Seal)1
Notoscopelus japonicus (Japanese lanternfish)1
Ophiodon elongatus (Lingcod)1
Orcinus orca (Killer Whale)1
Phocoenoides dalli (Dall's Porpoise)1
Physeter macrocephalus (Sperm Whale)1
Ptychoramphus aleuticus (Cassin's Auklet)1
Puffinus griseus (Sooty Shearwater)1
Puffinus tenuirostris (Short-tailed Shearwater)1
Raja rhina (Longnose skate)1
Sarda chiliensis (bonite du pacifique oriental)1
Sardinops sagax (Australian pilchard)1
Sebastes alutus (Snapper)2
Sebastes caurinus (Copper rockfish)1
Sebastes crameri (Rockfish)2
Sebastes diploproa (Splitnose rockfish)2
Sebastes flavidus (Yellowtail rockfish)2
Sebastes maliger (Rockfish)1
Sebastes pinniger (Rockfish)1
Sebastes serranoides (Rockfish)1
Sigmops gracilis (Slender fangjaw)1
Stenobrachius leucopsarus (Smallfin lanternfish)1
Synthliboramphus antiquus (Ancient Murrelet)1
Tarletonbeania crenularis (Blue lanternfish)1
Thunnus alalunga (longfinned albacore)1
Thunnus thynnus (horse mackerel)1
Trichiurus lepturus (Atlantic Cutlassfish)1
Zalophus californianus (California Sealion)1

Distribution

Alaska (USA); California Current; Canada; East Bering Sea; Gulf of Alaska; Kamchatka; Mexico; North Pacific: Bering Sea to northern Baja California, Mexico.; Pacific Ocean; Pacific, Eastern Central; Pacific, Northeast; Pacific, Northwest; Russian Federation; Sea of Okhotsk; USA (contiguous states); West Bering Sea;

Photos

Citations

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
2TROPHIC INTERACTIONS OF BATHYRAJA TRACHURA AND SYMPATRIC FISHES, Mariah Dawson Boyle, Masters Thesis, California State University Monterey Bay, 2010
Images provided by Google Image Search
Weather provided by NOAA METAR Data Access