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Pagina 280
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 somewhere .
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 somewhere .
Pagina 301
If food is found and if other conditions are favorable for survival , then the spawning season is a successful one . The success or failure of a spawning season in a river is usually evident from the size of subsequent catches when the ...
If food is found and if other conditions are favorable for survival , then the spawning season is a successful one . The success or failure of a spawning season in a river is usually evident from the size of subsequent catches when the ...
Pagina 532
Spawning and Reproduction . The migratory populations of S. fontinalis , like the nonmigratory fish , spawn exclusively in fresh water in autumn at temperatures ranging from about 49 ° F ( 9.4 ° C ) down to about 40 ° F ( 4.4 ° C ) .
Spawning and Reproduction . The migratory populations of S. fontinalis , like the nonmigratory fish , spawn exclusively in fresh water in autumn at temperatures ranging from about 49 ° F ( 9.4 ° C ) down to about 40 ° F ( 4.4 ° C ) .
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Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
Order Isospondyli Composite Authorship | 89 |
known to the ichthyologist and many students of oceanography constitute a notable | 102 |
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Altre edizioni - Visualizza tutto
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 ..., Parte 8 John Tee-Van Visualizzazione estratti - 1948 |
Parole e frasi comuni
abund Acad adults Amer American anal fin apparently Atlantic base base of caudal Bermuda body Brazil Bull Canada catch caudal Characters coast color Comm counts dark depth descr Description developed diameter differs distance Distinctive dorsal fin eggs equal Evermann examples extending FIGURE Fish Florida Fowler fresh gill rakers Gulf half head Hildebrand Hist Island Jordan known Lake lateral least length less longer lower limb Maine mandible margin Material maxillary middle mouth nearly North northern origin Panama Pectoral fin pelvic fin pointed posterior pounds present probably Proc range rays reaching References refs reported River rows Salmon scales side silvery slender slightly snout spawning species specimens strongly Study synon taken teeth U. S. nat upper USNM usually ventral West York young Zool
Informazioni bibliografiche
| Titolo | Fishes of the Western North Atlantic, Edizione 1,Parte 3 Fishes of the Western North Atlantic, John Tee-Van Edizione 1,Parte 3 di Fishes of the Western North Atlantic: Editorial Board: Editor-in-chief John Tee-Van [and Others], John Tee-Van Edizione 1 di Memoir (Sears Foundation for Marine Research), Sears Foundation for Marine Research |
| Curatore | John Tee-Van |
| Collaboratore | Sears Foundation for Marine Research |
| Editore | Sears Foundation for Marine Research, Yale Univ., 1948 |
| Provenienza dell'originale | Michigan State University |
| Digitalizzato | 3 dic 2019 |
| Esporta citazione | BiBTeX EndNote RefMan |