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 51
... eggs when laid are light to dark brown . The outside membrane of ripe eggs readily imbibes water and becomes glutinous and sticky . Being demersal and adhesive , they become attached to weeds , stones , and so forth , and it is believed ...
... eggs when laid are light to dark brown . The outside membrane of ripe eggs readily imbibes water and becomes glutinous and sticky . Being demersal and adhesive , they become attached to weeds , stones , and so forth , and it is believed ...
Pagina 465
... eggs with gravel . Each spawning act took place in 10-15 seconds , and the eggs were completely covered about 30 seconds later . LENGTH IN INCHES 60 55 50 45 40 35 30 25 20 15 10 5 1 1 1 1 1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 ...
... eggs with gravel . Each spawning act took place in 10-15 seconds , and the eggs were completely covered about 30 seconds later . LENGTH IN INCHES 60 55 50 45 40 35 30 25 20 15 10 5 1 1 1 1 1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 ...
Pagina 466
... eggs , have a good chance of reaching them . The number of eggs produced varies with the age and size of the females , as shown in Table 1. Menzies has given a range of 600-1000 eggs per pound of spawning female Table I. Average Number ...
... eggs , have a good chance of reaching them . The number of eggs produced varies with the age and size of the females , as shown in Table 1. Menzies has given a range of 600-1000 eggs per pound of spawning female Table I. Average Number ...
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