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Rajella dissimilis (Hulley, 1970)
GHOST SKATE
Life   Vertebrata   Fish   Rajidae   Rajella


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Rajella&speciesname=dissimilis ---> https://www.fishbase.in/Summary/speciesSummary.php?genusname=Rajella&speciesname=dissimilis
https://www.fishbase.in/Summary/speciesSummary.php?genusname=Rajella&speciesname=dissimilis ---> https://www.fishbase.in/summary/Rajella-dissimilis.html

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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Rajella dissimilis (Hulley , 1970)

Ghost 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.
Rajella dissimilis   AquaMaps   Data sources: GBIF OBIS
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Google image Image of Rajella dissimilis (Ghost skate) Rajella dissimilis
No image available for this species;
drawing shows typical fish in this Family.

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

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Rajella: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335 ) .

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

Marine; bathydemersal; depth range 719 - 1620 m (Ref. 4426 ).   Deep-water; 15°N - 34°S

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

Eastern Atlantic: off southern Rio de Oro in Western Sahara, Namibia, and South Africa. Probably occurs throughout the area along the deeper West African slope.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 39.0 cm WD male/unsexed; (Ref. 5578 )

Short description Morphology | Morphometrics

Moderately long snout, small eyes, and a flat disc; tail about as long as body; moderately large, inconspicuous light thorns dorsally and a few on snout; mid-dorsal line of thorns reduced in adolescents and adults (Ref. 5578 ). Whitish grey to dark grey dorsally, white ventrally with dark rear margins and dark patches on underside of tail (Ref. 5578 ).

Biology     Glossary (e.g. epibenthic)

Found in deeper slope waters (Ref. 4426 ). Feed on cephalopods, mysids and small bony fishes (Ref. 5578 ). Oviparous (Ref. 50449 ). Eggs have horn-like projections on the shell (Ref. 205 ).

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 : McEachran, John | 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 )

  Least Concern (LC)  ; Date assessed: 30 April 2004

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest FAO(Publication : search ) | FishSource |

More information

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Common names
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Eggs
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Age/Size
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Length-weight
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Tools

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Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

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 | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 3.3 - 6.6, mean 4.3 (based on 24 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00562 (0.00271 - 0.01168), b=3.13 (2.95 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.0   ±0.53 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 to high vulnerability (50 of 100) .

Entered by Binohlan, Crispina B. Modified by Luna, Susan M. Fish Forum
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