Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
Risultati 1-3 di 79
Pagina 199
... appears to be confined in its northward dispersal to water of Atlantic influence , there is no reason to expect it north of the Davis Strait Ridge . But a path would appear to be open for it , so far as temperature is concerned , around ...
... appears to be confined in its northward dispersal to water of Atlantic influence , there is no reason to expect it north of the Davis Strait Ridge . But a path would appear to be open for it , so far as temperature is concerned , around ...
Pagina 248
... appears to be resident the year - round there . But it has been known for a long time that the coastwise fringe of population tends to work shoreward with the autumnal decrease in temperature in the southern part of its range and to ...
... appears to be resident the year - round there . But it has been known for a long time that the coastwise fringe of population tends to work shoreward with the autumnal decrease in temperature in the southern part of its range and to ...
Pagina 458
... appear almost black throughout ; conspicuously marked with small white , bluish white , greenish , pearly , or yellow ... appears that some specimens mature at a much smaller size than others or that local populations of different sizes ...
... appear almost black throughout ; conspicuously marked with small white , bluish white , greenish , pearly , or yellow ... appears that some specimens mature at a much smaller size than others or that local populations of different sizes ...
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 |
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