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FishBase Names Scientific source: Integrated Taxonomic Information System Supported by National Biological Information Infrastructure National Science Foundation go to Discover Life's Facebook group Following modified from FishBase    Top | See original http://www.fishbase.org/Summary/speciesSummary.php?genusname=Raja&speciesname=maderensis ---> http://52.67.158.155/Summary/speciesSummary.php?genusname=Raja&speciesname=maderensis http://52.67.158.155/Summary/speciesSummary.php?genusname=Raja&speciesname=maderensis ---> https://fishbase.net.br/Summary/speciesSummary.php?genusname=Raja&speciesname=maderensis https://fishbase.net.br/Summary/speciesSummary.php?genusname=Raja&speciesname=maderensis ---> https://fishbase.net.br/summary/Raja-maderensis.html You can sponsor this page Common name (e.g. trout) contains begins with begins with ends with is Genus + Species (e.g. Gadus morhua) About this page More Info Plus d'info Mais info Languages Arabic Bahasa/Malay Bangla Chinese(Si) Chinese(Tr) Deutsch English Español Farsi Français Greek Hindi Italiano Japanese Lao Nederlands Português(Br) Português(Pt) Russian Swedish Thai Vietnamese User feedbacks Comments &   Corrections Fish Forum Guest Book Facebook Citation Uploads Attach website Upload photo Upload video Upload   references Fish Watcher Related species Species in    Raja Species in    Rajidae - Classification - Rajidae Rajiformes Elasmobranchii Chordata Animalia Raja maderensis Lowe , 1838 Madeiran ray Upload your photos  and  videos Pictures | Google image Raja maderensis Picture by Wirtz, P. Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates) Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335 ) . More on author: Lowe . Environment: milieu / climate zone / depth range / distribution range Ecology Marine; bathydemersal; depth range ? - 500 m. Deep-water; 33°N - 31°N Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri Eastern Atlantic: endemic to Madeira; possibly Azores. Nominal records from western Africa and the Canary Islands could not be verified and are probably misidentifications. Size / Weight / Age Maturity: L m   ?   range ? - ? cm Max length : 85.0 cm TL male/unsexed; (Ref. 2683 ); common length : 50.0 cm TL male/unsexed; (Ref. 2683 ) Short description Morphology | Morphometrics Dorsal spines (total): 0; Anal spines : 0; Anal soft rays : 0. Upper surface wholly prickly, underside almost entirely prickly; orbital thorns separate, a regular row of 21-25 large thorns from nape to first dorsal fin; upper surface dark brown with a constant pattern of irregular light spots forming broad undulating transverse bands with narrower unspotted bands between, underside white, but grey on snout and broad dark margin to disc from behind midpoint of anterior margin, also blackish at tip of tail (Ref. 3167 ). Biology     Glossary (e.g. epibenthic) Feeds on all kinds of benthic animals (Ref. 3167 ). 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 (Ref. 3167 ). 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. 130435 )   Vulnerable (VU)  (D2); Date assessed: 11 December 2014 CITES Not Evaluated CMS (Ref. 116361 ) Not Evaluated Threat to humans   Harmless Human uses Fisheries: commercial FAO - Publication: search | FishSource | Sea Around Us More information Countries FAO areas Ecosystems Occurrences Introductions Stocks Ecology Diet Food items Food consumption Ration Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Spawning aggregation Fecundity Eggs Egg development Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance BRUVS References Aquaculture Aquaculture profile Strains Genetics Electrophoreses Heritability Diseases Processing Nutrients Mass conversion Collaborators Pictures Stamps, Coins Misc. Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision Tools Bio-Quiz | E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY | 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 AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | 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 | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record Estimates based on models Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00269 (0.00124 - 0.00582), b=3.26 (3.09 - 3.43), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  3.5   ±0.37 se; based on food items. Resilience (Ref. 120179 ):  Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100). Fishing Vulnerability (Ref. 59153 ):  Moderate to high vulnerability (54 of 100). Price category (Ref. 80766 ):   Medium . Comments & Corrections Back to Search Random Species Back to Top Accessed through: Not available FishBase mirror site : Laguna, Philippines Page last modified by : mrius-barile Updated: 2024-04-25 08:06:28 gmt FishBase | Search | All Living Things | Top © Designed by The Polistes Corporation