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 164
... seen , but the lateral rows develop along the posterior third when a length of about 300 mm is reached . These rows have ex- tended forward to the level of the tips of the pelvics at a length of about 350 mm . The thorns on the snout ...
... seen , but the lateral rows develop along the posterior third when a length of about 300 mm is reached . These rows have ex- tended forward to the level of the tips of the pelvics at a length of about 350 mm . The thorns on the snout ...
Pagina 449
... seen.50 See p . 437 for comparison with eastern Pacific species . Size . Neither the size at which males become sexually mature nor the maximum size is known . A female , 990 mm wide , is the largest recorded so far . Developmental ...
... seen.50 See p . 437 for comparison with eastern Pacific species . Size . Neither the size at which males become sexually mature nor the maximum size is known . A female , 990 mm wide , is the largest recorded so far . Developmental ...
Pagina 449
... seen.50 See p . 437 for comparison with eastern Pacific species . Size . Neither the size at which males become sexually mature nor the maximum size is known . A female , 990 mm wide , is the largest recorded so far . Developmental ...
... seen.50 See p . 437 for comparison with eastern Pacific species . Size . Neither the size at which males become sexually mature nor the maximum size is known . A female , 990 mm wide , is the largest recorded so far . Developmental ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Suborder Myliobatoidea | 331 |
Dasyatis say | 378 |
10 sezioni non visualizzate
Altre edizioni - Visualizza tutto
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