Fishes of the Western North Atlantic, Edizione 1,Parte 3John Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
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Pagina 50
... Spawning and Migrations . The Atlantic Sturgeon is an anadromous species , in- variably spawning in fresh water but making its growth in salt water . Adults migrate from the sea to fresh water in advance of the spawning season . The ...
... Spawning and Migrations . The Atlantic Sturgeon is an anadromous species , in- variably spawning in fresh water but making its growth in salt water . Adults migrate from the sea to fresh water in advance of the spawning season . The ...
Pagina 280
... Spawning Seasons . Spawning takes place in the spring , summer , or autumn , or in both spring and autumn , depending on the locality . Apparently there is no time in the year when spawning , off Europe at least , does not take place ...
... Spawning Seasons . Spawning takes place in the spring , summer , or autumn , or in both spring and autumn , depending on the locality . Apparently there is no time in the year when spawning , off Europe at least , does not take place ...
Pagina 336
... Spawning . This species is very prolific ; a total of 644 females from the Potomac River yielded an average of 102,800 eggs per fish ( 119 : 123 ) . The time of spawning varies from some time in March in Chesapeake Bay to late April or ...
... Spawning . This species is very prolific ; a total of 644 females from the Potomac River yielded an average of 102,800 eggs per fish ( 119 : 123 ) . The time of spawning varies from some time in March in Chesapeake Bay to late April or ...
Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
known to the ichthyologist and many students of oceanography constitute a notable | 102 |
Text and Footnote References | 105 |
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Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione estratti - 1948 |
Fishes of the Western North Atlantic: Editorial Board: Editor-in-chief John ... Visualizzazione estratti - 1948 |
Parole e frasi comuni
abund Acad adults Amer anal fin Anchovia Anchoviella anteriorly Atlantic Atlantic Salmon base of caudal base of pelvic body Brazil Bull Canada Capelin caudal fin Caudal peduncle cent of standard Clupea coast color Cuba Cuvier and Valenciennes depth descr diagn diameter dorsal fin Fin rays Florida Fowler genus gill rakers Gulf Gulf of Maine head Hildebrand Hist Jordan and Evermann Lake last ray length of base longest rays lower limb mandible margin maxillary mouth North opercle orig origin of anal Pectoral fin pelvic fin Philad Poey Poiss posterior postorbital pounds Proc Proportional dimensions range reaching refs River Salmon scutes Shad slender spawning species specimens standard length Study Material synon Synonyms and References Tarpon teeth type local U. S. Bur U. S. Comm U. S. Fish Comm U. S. nat USNM usually Valenciennes Ventral scutes Vertebrae Woods Hole young Zool