Fishes of the Western North Atlantic, Edizione 1,Parte 3John Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
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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 480
... spawning site , and production of the spawning products . The percentage of fish that survive after spawning to the stage when they are ready to spawn again is reflected in the percentage of such fish in the catch of adults ...
... spawning site , and production of the spawning products . The percentage of fish that survive after spawning to the stage when they are ready to spawn again is reflected in the percentage of such fish in the catch of adults ...
Pagina 583
... spawning also takes place near shore , from 2 or 3 fms . down to 20 fms . or so ; occasionally even at 40-50 fms . ; 33 and at 25-35 fms . on the Grand Bank , where Pitt has recently reported the widespread presence of spawning ...
... spawning also takes place near shore , from 2 or 3 fms . down to 20 fms . or so ; occasionally even at 40-50 fms . ; 33 and at 25-35 fms . on the Grand Bank , where Pitt has recently reported the widespread presence of spawning ...
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