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Pagina 66
Fin rays develop much sooner in the pelvic than in the pectoral fins ; hence the
pelvics are actually well - defined fins ... Usually by the time the anterior lateral -
line scales are developed , lateral scales have formed on the caudal peduncle ;
on ...
Fin rays develop much sooner in the pelvic than in the pectoral fins ; hence the
pelvics are actually well - defined fins ... Usually by the time the anterior lateral -
line scales are developed , lateral scales have formed on the caudal peduncle ;
on ...
Pagina 136
and its weight about 13 or 14 pounds . Development.15 The eggs and the
earliest stages of the leptocephali remain unknown . The youngest at hand , that
is , the least developed larva , is apparently somewhat younger than any yet
described ...
and its weight about 13 or 14 pounds . Development.15 The eggs and the
earliest stages of the leptocephali remain unknown . The youngest at hand , that
is , the least developed larva , is apparently somewhat younger than any yet
described ...
Pagina 368
Also , these young fish are more advanced in development , for even the smallest
ones have all fins ( exclusive of the pectoral ) well enough developed to show
rays ; however , the pelvic fin is still well in advance of the dorsal . The convoluted
...
Also , these young fish are more advanced in development , for even the smallest
ones have all fins ( exclusive of the pectoral ) well enough developed to show
rays ; however , the pelvic fin is still well in advance of the dorsal . The convoluted
...
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Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
Order Lepisostei by R D Suttkus | 61 |
Text and Footnote References | 105 |
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Altre edizioni - Visualizza tutto
Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione frammento - 1948 |
Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 8 John Tee-Van Visualizzazione frammento - 1948 |
Parole e frasi comuni
abund Acad adults Amer American Anal fin apparently Atlantic base Bermuda body Brazil Bull Canada catch caudal Characters coast color Comm counts dark depth descr Description developed diameter distance Distinctive dorsal fin eggs equal Evermann examples extending FIGURE Fish Florida Fowler gill rakers Gulf half head Hildebrand Hist Island Jordan known Lake larger lateral least length less limb longer lower lower limb Maine mandible margin Material Maxillary middle mouth nearly North northern occur origin Panama pectoral Pectoral fin Pelvic fin pointed posterior pounds present probably Proc range rays reaching References refs reported River rows Salmon salt scales side silvery snout spawning species specimens streams Study synon taken teeth upper USNM usually ventral West western York young Zool