Overview
Comprehensive Description
Biology
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
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McEachran, J.D. and K.A. Dunn 1998 Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
http://www.fishbase.org/references/FBRefSummary.php?id=27314&speccode=10121
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Distribution
Northwest Atlantic: off Nova Scotia, Canada.
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Mc Eachran, J.D. and T. Miyake 1987 A new species of skate of the genus Breviraja from off Nova Scotia, with comments on the status of Breviraja and Neoraja (Chondrichthyes, Rajoidei). Copeia 1987(2):409-417. (Ref. 31389)
http://www.fishbase.org/references/FBRefSummary.php?id=31389&speccode=54112
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Northwest Atlantic: off Nova Scotia, Canada (ROM: Latitude: 42.65, Longitude: -64.19)
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North-West Atlantic Ocean species (NWARMS)
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=2901
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North West Atlantic
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North-West Atlantic Ocean species (NWARMS)
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=2901
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Physical Description
Size
Max. size
39.0 cm TL (male/unsexed; (Ref. 31389)); 45.1 cm TL (female)
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Mc Eachran, J.D. and T. Miyake 1987 A new species of skate of the genus Breviraja from off Nova Scotia, with comments on the status of Breviraja and Neoraja (Chondrichthyes, Rajoidei). Copeia 1987(2):409-417. (Ref. 31389)
http://www.fishbase.org/references/FBRefSummary.php?id=31389&speccode=54112
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Type Information
Paratype for Breviraja marklei McEachran & Miyake
Catalog Number: USNM 277973
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1984
Locality: Off Nova Scotia., Nova Scotia, Canada, Atlantic
Depth (m): 443 to 463
Catalog Number: USNM 277973
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1984
Locality: Off Nova Scotia., Nova Scotia, Canada, Atlantic
Depth (m): 443 to 463
- Paratype: McEachran, J. D. & Miyake, T. 1987. Copeia. 1987 (2): 410.
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Ecology
Habitat
Environment
bathydemersal; marine; depth range 443 - 988 m (Ref. 31389)
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Mc Eachran, J.D. and T. Miyake 1987 A new species of skate of the genus Breviraja from off Nova Scotia, with comments on the status of Breviraja and Neoraja (Chondrichthyes, Rajoidei). Copeia 1987(2):409-417. (Ref. 31389)
http://www.fishbase.org/references/FBRefSummary.php?id=31389&speccode=54112
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benthic
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North-West Atlantic Ocean species (NWARMS)
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=2901
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Depth range based on 2 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.
Environmental ranges
Depth range (m): 453 - 602
Temperature range (°C): 4.476 - 4.552
Nitrate (umol/L): 20.781 - 20.818
Salinity (PPS): 34.852 - 34.920
Oxygen (ml/l): 5.239 - 5.496
Phosphate (umol/l): 1.374 - 1.379
Silicate (umol/l): 13.819 - 14.401
Graphical representation
Depth range (m): 453 - 602
Temperature range (°C): 4.476 - 4.552
Nitrate (umol/L): 20.781 - 20.818
Salinity (PPS): 34.852 - 34.920
Oxygen (ml/l): 5.239 - 5.496
Phosphate (umol/l): 1.374 - 1.379
Silicate (umol/l): 13.819 - 14.401
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Water temperature and chemistry ranges based on 2 samples.
Environmental ranges
Depth range (m): 453 - 602
Temperature range (°C): 4.476 - 4.552
Nitrate (umol/L): 20.781 - 20.818
Salinity (PPS): 34.852 - 34.920
Oxygen (ml/l): 5.239 - 5.496
Phosphate (umol/l): 1.374 - 1.379
Silicate (umol/l): 13.819 - 14.401
Graphical representation
Depth range (m): 453 - 602
Temperature range (°C): 4.476 - 4.552
Nitrate (umol/L): 20.781 - 20.818
Salinity (PPS): 34.852 - 34.920
Oxygen (ml/l): 5.239 - 5.496
Phosphate (umol/l): 1.374 - 1.379
Silicate (umol/l): 13.819 - 14.401
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Depth: 443 - 988m.
From 443 to 988 meters.
Habitat: bathydemersal.
From 443 to 988 meters.
Habitat: bathydemersal.
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Life History and Behavior
Life Cycle
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
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Breder, C.M. and D.E. Rosen 1966 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205)
http://www.fishbase.org/references/FBRefSummary.php?id=205&speccode=1256
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Conservation
Threats
Not Evaluated
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IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
http://www.fishbase.org/references/FBRefSummary.php?id=57073
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