Bathyraja smithii (Müller & Henle, 1841)

African softnose skate

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Elasmobranchii \| Rajiformes \| Rajidae
Synonyms	Raja smithii, Breviraja smithii, ... more
Common names	Skate, Afrikaanse zachtsnuitrog, Rog, ... more

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Image of Bathyraja smithii (African softnose skate)

Picture by Le Noury, P.

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

McEachran, J.D. and K.A. Dunn. 1998. (Ref. 27314)
Other references | Biblio | Coordinator : McEachran, John | Collaborators

Size / Weight / Age

Max length : 120 cm TL male/unsexed; (Ref. 5578)

Environment

Bathydemersal; marine; depth range 440 - 1020 m (Ref. 5578)

Climate / Range

Deep-water; - 40°S

Southeast Atlantic: off central Namibia to Agulhas Bank, South Africa.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

A large softnose skate with a broadly triangular, bluntly pointed snout and an angular pectoral disc; tail shorter than body and with a single row of large thorns; upper disc of young with thorns but these are lost with growth (Ref. 5578). Dorsal surface greyish and may have white spots, ventral surface white with dark grey blotches around gill slits, vent and along ventral surface of tail (Ref. 5578). Tail with no color bands (Ref. 5578).

Found on the upper continental slope (Ref. 27121). A bottom-predator that feeds on bony fishes including hake, jacopever, barracudina and dragonet; also squid, octopus, crabs and prawns (Ref. 5578). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Sometimes caught by hake trawlers (Ref. 5578).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.5000

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High to very high vulnerability (67 of 100)	Medium

Entered by Froese, Rainer

Modified by Luna, Susan M.

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