By Eugene H. Kaplan, Roger Tory Peterson, Susan L. Kaplan
Greater than six hundred species are defined intimately, with greater than 525 illustrations. this can be the advisor for fast, trustworthy id of fishes that youll come upon whereas fishing, snorkeling, diving, or maybe jogging alongside a Pacific Coast seashore.
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Extra info for A Field Guide to Pacific Coast Fishes: North America
Column D contains diploid chromosome number (2n), marked with an asterisk when inferred from a haploid number. B chromosomes, as a rule, were excluded from diploid chromosome number. Column E includes the karyotype. Classiﬁcation ﬁ of chromosomes followed Levan et al. (L-25): M, metacentrics, SM, submetacentrics, ST, subtelocentrics, A, acrocentrics. When these could not be clearly derived from source publications, classiﬁcation ﬁ was as follows: meta- and/or submetacentric (M/SM), submeta- and/or subtelocentric (SM/ST), and subtelo- and/or acrocentric (ST/A).
Column G (NF2) contains fundamental arm number, when M, SM, and ST are counted as two-armed. The arm number by Scheel (1972: S-24) differs from NF2. , NF sensu Scheel ≥ NF2. Therefore, Scheel’s arm number is shown in parentheses. Column H includes the number of Ag-NORs. The number and position of NORs can differ by different methods such as chromomycin A3 and silver staining. Silver staining is the method speciﬁc ﬁ to NORs and studied widely. The number of Ag-NORs in the embryo tends to be larger than that of adults.
Column E includes the karyotype. Classiﬁcation ﬁ of chromosomes followed Levan et al. (L-25): M, metacentrics, SM, submetacentrics, ST, subtelocentrics, A, acrocentrics. When these could not be clearly derived from source publications, classiﬁcation ﬁ was as follows: meta- and/or submetacentric (M/SM), submeta- and/or subtelocentric (SM/ST), and subtelo- and/or acrocentric (ST/A). Difference in the karyotype could be attributed to different degrees of chromosome condensation, leading to differences in chromosome classiﬁ ﬁcation among authors.