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Malacoraja obscura  Carvalho, Gomes & Gadig, 2005

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Malacoraja obscura   AquaMaps   Data sources: GBIF OBIS
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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: Malacoraja: Greek, malakos = soft + Latin, raja, -ae = ray, fis (Raja sp.) (Ref. 45335);  obscura: Specific name derived from the Latin obscurus, meaning dark or indistinct, in reference to the the subtle nature of the differences separating this species from its congeners.

Environment / Climate / Range Ecology

Marine; bathydemersal; depth range 808 - 1105 m (Ref. 72455).   Tropical, preferred ?

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Western Atlantic: continental slope of southeastern Brazil, off the states of Espirito Santo (19°39' S, 38°38' W) and Rio de Janeiro (21°46' S, 39°53' W).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 68.0 cm TL male/unsexed; (Ref. 72455)

Biology     Glossary (e.g. epibenthic)

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Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

de Carvalho, M.R., U.L. Gomes and O.B.F. Gadig, 2005. Description of a new species of skate of the genus Malacoraja Stehmann, 1970: the first species from the southwestern Atlantic Ocean, with notes on generic monophyly and composition (Chondrichthyes: Rajidae). Neotrop. Ichthyol. 3(2):239-258. (Ref. 72455)

IUCN Red List Status (Ref. 115185)

  Data deficient (DD) 

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




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Internet sources

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

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00140 - 0.00684), b=3.20 (3.02 - 3.38), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate vulnerability (43 of 100) .