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 163
... prickles ; also , the prickles are relatively smaller and more closely spaced than on smaller specimens ( illustrated by female 463 mm long , Fig . 30 ) . Each side of the tail below the outermost row of thorns has a narrow band of ...
... prickles ; also , the prickles are relatively smaller and more closely spaced than on smaller specimens ( illustrated by female 463 mm long , Fig . 30 ) . Each side of the tail below the outermost row of thorns has a narrow band of ...
Pagina 163
... prickles ; also , the prickles are relatively smaller and more closely spaced than on smaller specimens ( illustrated by female 463 mm long , Fig . 30 ) . Each side of the tail below the outermost row of thorns has a narrow band of ...
... prickles ; also , the prickles are relatively smaller and more closely spaced than on smaller specimens ( illustrated by female 463 mm long , Fig . 30 ) . Each side of the tail below the outermost row of thorns has a narrow band of ...
Pagina 257
... prickles low down along either side from axils of pectorals to below dorsals , these prickles being especially conspicuous on small specimens ; dorsals prickly ; space between dorsals with one small thorn , or none , if the fins are ...
... prickles low down along either side from axils of pectorals to below dorsals , these prickles being especially conspicuous on small specimens ; dorsals prickly ; space between dorsals with one small thorn , or none , if the fins are ...
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