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- Raja_(genus) abstract "Raja is a genus of skates in the family Rajidae containing nearly 30 species. They are flat-bodied, cartilaginous fish with a rhombic shapes due to their large pectoral fins extending from or nearly from the snouts to the bases of their tails. Their sharp snouts are produced by a cranial projection of rostral cartilage. The mouth and gills are located on underside of the body. They may be either solid-coloured or patterned, and most skates have spiny or thorn-like structures on the upper surface, and some species contain weak electrical organs within their tails. Mating typically occurs in the spring and the female lays numerous eggs per clutch which are encapsulated in leathery cases, commonly known as "mermaid’s purses". Species vary in size. The hedgehog skate (R. erinacea) adult length is 50 cm or less. The big skate (R. binoculata) may be 2.5 metres long. These bottom-dwellers are active during both day and night, and typically feed on molluscs, crustaceans and fish. Skates are found in most parts of the world, from tropical to near arctic waters, from shallows to depths of more than 2,700 metres. Skates and related species have fossil records dating from the Upper Cretaceous period, thus this well adapted species is quite ancient.".
- Raja_(genus) class Chondrichthyes.
- Raja_(genus) class Elasmobranchii.
- Raja_(genus) family Skate.
- Raja_(genus) kingdom Animal.
- Raja_(genus) order Rajiformes.
- Raja_(genus) phylum Chordate.
- Raja_(genus) thumbnail Raja_brachyura.jpg?width=300.
- Raja_(genus) wikiPageID "7824586".
- Raja_(genus) wikiPageRevisionID "591538523".
- Raja_(genus) classis Chondrichthyes.
- Raja_(genus) familia Skate.
- Raja_(genus) family "Rajidae".
- Raja_(genus) fossilRange "Maastrichtian to Present".
- Raja_(genus) genus "Raja".
- Raja_(genus) genusAuthority "Linnaeus, 1758".
- Raja_(genus) hasPhotoCollection Raja_(genus).
- Raja_(genus) imageCaption "Raja brachyura".
- Raja_(genus) month "August".
- Raja_(genus) ordo Rajiformes.
- Raja_(genus) phylum Chordate.
- Raja_(genus) regnum "Animalia".
- Raja_(genus) subclassis Elasmobranchii.
- Raja_(genus) subdivision "29".
- Raja_(genus) subdivisionRanks "Species".
- Raja_(genus) superOrdo Batoidea.
- Raja_(genus) year "2005".
- Raja_(genus) subject Category:Rajidae.
- Raja_(genus) type Animal.
- Raja_(genus) type Eukaryote.
- Raja_(genus) type Fish.
- Raja_(genus) type Species.
- Raja_(genus) type Fish.
- Raja_(genus) type Organism.
- Raja_(genus) comment "Raja is a genus of skates in the family Rajidae containing nearly 30 species. They are flat-bodied, cartilaginous fish with a rhombic shapes due to their large pectoral fins extending from or nearly from the snouts to the bases of their tails. Their sharp snouts are produced by a cranial projection of rostral cartilage. The mouth and gills are located on underside of the body.".
- Raja_(genus) label "Raja (genre)".
- Raja_(genus) label "Raja (genus)".
- Raja_(genus) label "Raja (género)".
- Raja_(genus) label "Raja (rodzaj)".
- Raja_(genus) label "Raja".
- Raja_(genus) label "Raja".
- Raja_(genus) sameAs Raja.
- Raja_(genus) sameAs Raja_(genre).
- Raja_(genus) sameAs Raja.
- Raja_(genus) sameAs Raja_(rodzaj).
- Raja_(genus) sameAs Raja_(género).
- Raja_(genus) sameAs m.026fc10.
- Raja_(genus) sameAs Q1834465.
- Raja_(genus) sameAs Q1834465.
- Raja_(genus) wasDerivedFrom Raja_(genus)?oldid=591538523.
- Raja_(genus) depiction Raja_brachyura.jpg.
- Raja_(genus) isPrimaryTopicOf Raja_(genus).