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 88
Pagina 329
... young and from what is known concern- ing their migration locally , spawning in the Potomac seems to be confined principally to the last half of April and the first half of May . Ripe fish were taken in July ( 1915 ) at Woods Hole ...
... young and from what is known concern- ing their migration locally , spawning in the Potomac seems to be confined principally to the last half of April and the first half of May . Ripe fish were taken in July ( 1915 ) at Woods Hole ...
Pagina 334
... young up to about 100 mm SL . In this species , as in P. aestivalis , the teeth are more prominent in the young than in the adults and disappear from the premaxillary with age . The young reach a length of 50-100 mm ( 2-4 in . ) by ...
... young up to about 100 mm SL . In this species , as in P. aestivalis , the teeth are more prominent in the young than in the adults and disappear from the premaxillary with age . The young reach a length of 50-100 mm ( 2-4 in . ) by ...
Pagina 489
... young fish produced in them are used intelligently . If the eggs normally deposited by the adults at the spawning grounds are adequate to produce all the young that can survive and grow in the stream , the planting of more young is not ...
... young fish produced in them are used intelligently . If the eggs normally deposited by the adults at the spawning grounds are adequate to produce all the young that can survive and grow in the stream , the planting of more young is not ...
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