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Gurgesiella dorsalifera McEachran and Compagno, 1980
ONEFIN SKATE
Life   Vertebrata   Fish   Rajidae   Gurgesiella


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Gurgesiella dorsalifera McEachran & Compagno , 1980

Onefin skate Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Gurgesiella dorsalifera   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Gurgesiella dorsalifera (Onefin skate) Gurgesiella dorsalifera
Picture by Fischer, L.G.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

() > Rajiformes (Skates and rays) > Gurgesiellidae ()
Etymology: Gurgesiella: Latin, gurges = abyss, whirlpool (Ref. 45335 ) .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; bathydemersal; depth range 470 - 800 m (Ref. 57911 ).   Deep-water; 20°S - 40°S, 60°W - 40°W (Ref. 57911 )

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Southwest Atlantic: Brazilian coast, from Rio de Janeiro to Rio Grande do Sul.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 53.0 cm TL male/unsexed; (Ref. 57911 ); common length : 19.0 cm WD male/unsexed; (Ref. )

Biology     Glossary (e.g. epibenthic)

Holotype taken from a depth of 800 m (Ref. 26282 ). Oviparous (Ref. 50449 ). Eggs have horn-like projections on the shell (Ref. 205 ). Feeds on fishes and crustaceans (Ref. 57911 ). Max. width (Teodoro Vaske Jr., pers. comm., 2002).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449 ).

Main reference Upload your references | References | Coordinator | Collaborators

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 )

IUCN Red List Status (Ref. 120744 )

  Vulnerable (VU)  (B1ab(v)); Date assessed: 30 April 2004

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




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FAO(Publication : search ) | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 4.9 - 10.1, mean 6.9 (based on 13 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.0   ±0.66 se; Based on food items. Resilience (Ref. 69278 ):  Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100). Vulnerability (Ref. 59153 ):  Moderate vulnerability (44 of 100) .

Entered by Garilao, Cristina V. Modified by Froese, Rainer Fish Forum
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