Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
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Pagina 145
... fathoms also range down the slopes to depths of 200-300 fathoms or deeper . There is a considerable list of species that are known only from depths greater than 100 fathoms , some of these being from depths greater than 200 fathoms ...
... fathoms also range down the slopes to depths of 200-300 fathoms or deeper . There is a considerable list of species that are known only from depths greater than 100 fathoms , some of these being from depths greater than 200 fathoms ...
Pagina 224
... fathoms ; 53 the 5 - fathom and the 70-80 - fathom contours approximately enclose the zone of greatest abundance and of most regular occurrence . It has been reported off northern Nova Scotia and on the southwestern part of the ...
... fathoms ; 53 the 5 - fathom and the 70-80 - fathom contours approximately enclose the zone of greatest abundance and of most regular occurrence . It has been reported off northern Nova Scotia and on the southwestern part of the ...
Pagina 261
... fathoms and deeper ; in the Bay of Fundy - Passamaquoddy region it is taken only in water deeper than 10 fathoms ; of the many specimens taken by us in the Gulf of Maine , the shoalest was at 14 fathoms.125 At the other extreme of its ...
... fathoms and deeper ; in the Bay of Fundy - Passamaquoddy region it is taken only in water deeper than 10 fathoms ; of the many specimens taken by us in the Gulf of Maine , the shoalest was at 14 fathoms.125 At the other extreme of its ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Genus Zapteryx | 74 |
Suborder Myliobatoidea | 331 |
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Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Visualizzazione estratti - 1953 |
Parole e frasi comuni
Acad Amer batoids Bigelow and Schroeder biol Brazil breadth Breder 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 Interspace Jersey Jordan Lacépède length of base listed lobe long as distance Lower surface mature males median Müller and Henle nasal curtain pelvic fins Philad Poiss posterior margin prickles Proc Raja Rays rearward Rio de Janeiro rostral rostral cartilage rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool