Fishes of the Western North Atlantic, Edizione 1,Parte 3John Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
Risultati 1-3 di 76
Pagina 475
... river and creek water some characteristic odor to which the young become conditioned while they are in the stream ... River Spawning Runs . A spawning run usually occurs in two stages , the first being the coastal run , the second the ...
... river and creek water some characteristic odor to which the young become conditioned while they are in the stream ... River Spawning Runs . A spawning run usually occurs in two stages , the first being the coastal run , the second the ...
Pagina 477
... river , and at sea . Differences and Changes in Composition of River Runs . Salmon entering each river system have certain characteristics , such as smolt age , size , length of sea - life , and time of running ( early or late ) , that ...
... river , and at sea . Differences and Changes in Composition of River Runs . Salmon entering each river system have certain characteristics , such as smolt age , size , length of sea - life , and time of running ( early or late ) , that ...
Pagina 485
... river that was not barred to them by impassible falls and where spawning conditions were suitable . The few taken by the natives merely reduced overcrowding at the spawning sites ; and the waters ran clear and clean , deeply shaded by ...
... river that was not barred to them by impassible falls and where spawning conditions were suitable . The few taken by the natives merely reduced overcrowding at the spawning sites ; and the waters ran clear and clean , deeply shaded by ...
Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
Order Lepisostei by R D Suttkus | 61 |
known to the ichthyologist and many students of oceanography constitute a notable | 102 |
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Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van 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 Poiss posterior postorbital pounds Proc Proportional dimensions range reaching refs River Salmon scutes Shad slender spawning species specimens standard length Steindachner 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