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
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Pagina 184
... southern New England and on southern Georges Bank where it probably is a year- round resident.138 It has also been reported off North Carolina in winter in depths greater than 30 fathoms . 139 Numerical Abundance . This is not only the ...
... southern New England and on southern Georges Bank where it probably is a year- round resident.138 It has also been reported off North Carolina in winter in depths greater than 30 fathoms . 139 Numerical Abundance . This is not only the ...
Pagina 205
... southern part . The known salinities at which it has been taken have also fallen within a narrow range : 33.8 %‰ 0 off Block Island to 35.300 off Chesapeake Bay . Range . Western North Atlantic from southern Florida to the offing of ...
... southern part . The known salinities at which it has been taken have also fallen within a narrow range : 33.8 %‰ 0 off Block Island to 35.300 off Chesapeake Bay . Range . Western North Atlantic from southern Florida to the offing of ...
Pagina 248
... southern New England in early summer when the temperature has risen to about that value and to reappear there and near New York in early autumn 90 when the water has cooled to about that same temperature . At the opposite extreme it is ...
... southern New England in early summer when the temperature has risen to about that value and to reappear there and near New York in early autumn 90 when the water has cooled to about that same temperature . At the opposite extreme it is ...
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