Electric ray (Torpedo nobiliana) fish species and information / pictures of Electric ray - Torpedo nobiliana

Electric ray (Torpedo nobiliana) fish species information

Scientific Name
Torpedo nobiliana

Common Name
Electric ray

Biology
Large ray with a huge, paddle-shaped caudal fin and with no papillae around spiracles. Shiny black or dark grey above, underside white (Ref. 5578). Broad subcircular disc, short snout anterior to the eyes. Smooth skin, short thick tail (Ref. 6902). Dark chocolate to purplish brown above, without spots, white below, but with edges of disc and pelvic fins of same hue as upper surface, tail with irregular dark margins (Ref. 6902).

Classification

Classified By
Bonaparte, 1835
Class
Sharks and Rays (Elasmobranchii)
Order
Electric rays (Torpediniformes)
Family
Electric rays (Torpedinidae)

Distribution

Region
Eastern Atlantic
Distribution
Eastern Atlantic: Scotland (rare in North Sea) to Morocco, whole of Mediterranean, but not Black Sea; Cap Blanc in Mauritania to Gulf of Guinea, S?o Tom? Island; Walvis Bay, Namibia to Mossel Bay, South Africa (Ref. 5578). Western Atlantic: Nova Scotia, Canada south to Brazil (Ref. 26340).
Range
60°N - 35°S, 82°W - 36°E

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
2 m
Depth To - meters
800 m
Zone
benthopelagic
Environment
Marine; benthopelagic; oceanodromous; depth range 2 - 800 m (Ref. 35509), usually 10 - 150 m (Ref. 35388)
Trophic Level
4.5 s.e. 0.80 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
180 cm
Common Length
40.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: of no interest
Vulnerability
Very high vulnerability (88 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (up to 60 offspring only)
Threat To Humans
Other (Ref. 10011)
IUCN Red List Status
  Data deficient (DD)