Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1953 |
Dall'interno del libro
Risultati 1-3 di 83
Pagina 199
... west coast of Norway at 250-285 meters , was smooth - shelled and black , 40 mm long ( exclusive of horns ) by 24 mm ... west of Iceland , and Davis Strait off West Greenland ; south in the east to the southern part of the Norwegian ...
... west coast of Norway at 250-285 meters , was smooth - shelled and black , 40 mm long ( exclusive of horns ) by 24 mm ... west of Iceland , and Davis Strait off West Greenland ; south in the east to the southern part of the Norwegian ...
Pagina 212
... West Greenland waters , in the Barents Sea , and in the Norwegian Basin from midsummer to early autumn in temperatures ranging from 0.5-1.1 ° C and through the general depth range where the species occurs . Range . Arctic waters ...
... West Greenland waters , in the Barents Sea , and in the Norwegian Basin from midsummer to early autumn in temperatures ranging from 0.5-1.1 ° C and through the general depth range where the species occurs . Range . Arctic waters ...
Pagina 261
... West Greenland on crustacea . In the western side of the Atlantic R. radiata evidently produces young through- out its geographic range , for females containing well formed eggs , or egg cases con- taining embryos , have been taken all ...
... West Greenland on crustacea . In the western side of the Atlantic R. radiata evidently produces young through- out its geographic range , for females containing well formed eggs , or egg cases con- taining embryos , have been taken all ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Suborder Myliobatoidea | 331 |
Dasyatis say | 378 |
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Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Visualizzazione estratti - 1953 |
Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Visualizzazione estratti - 1948 |
Parole e frasi comuni
Acad Amer axils of pectorals batoids Bigelow and Schroeder biol Brazil breadth Bull Carolina cartilage caudal fin center of cloaca Chesapeake Bay claspers Coast color comp concave Copeia Dasyatis Dermal denticles descr distance between inner dorsal fin embryos Evermann exposed nostrils eyes fathoms female Florida Fowler front of mouth front of orbits Garman genus gill openings Gulf Gulf of Maine Harv Hist inner ends Jersey Jordan Lacépède length of base Linnaeus listed lobe long as distance Lower surface mature males Müller and Henle Narcine nasal curtain pectoral fins pelvic fins Philad Poiss posterior margin prickles Proc Raja rearward Rio de Janeiro rostral rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse Trygon type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool