Research Article
Evolutionary Relations of Hexanchiformes Deep-Sea Sharks Elucidated by Whole Mitochondrial Genome Sequences
Table 1
Biological features of seven sharks analyzed in this study.
| Scientific name | C. anguineus | N. cepedianus | H. perlo | H. griseus | H. nakamurai | S. pacificus | P. microdon |
| Captured location | Suruga Bay | Futaoi Island | Suruga Bay | Sagami Bay | Ishigaki Island | Suruga Bay | Suruga Bay | Captured date | 25 Sep. 2007 | 5 Feb. 2008 | 26 Sep. 1996 | 9 Jul. 2008 | 5 Sep. 2009 | 31 Mar. 2009 | 13 Oct. 2008 | Sex | F | M | F | F | M | M | F | Total length (mm) | 1,480 | 1,500 | 715 | 4,270 | 1,300 | 2,900 | 2,084 | Body length (mm) | 1,226 | Un | 483 | Un | Un | 2,450 | 1,685 | Body weight (g) | 10,400 | 17,000 | 1,272 | Un | 7,000 | Un | 43,040 | Gill cleft number | 6 | 7 | 7 | 6 | 6 | 5 | 5 | Dorsal fin number | 1 | 1 | 1 | 1 | 1 | 2 | 2 | Nucleotide identity with previously published mtDNA nucleotide sequences | Primary | 99.7% with C. anguineus CYTB (D50022) | 98.7% with N. cepedianus CYTB (M91186) | 97.3% with H. perlo 12S rRNA (AY14788) | 100% with H. griseus CYTB (DQ132493) | H. nakamurai mtDNA sequences have not been published so far. | 100% identity with S. pacificus CYTB (EF090957) | 97.0% with P. microdon CYTB (DQ422078) | Secondary | 80.2% with M. pelagios CYTB (U91440) | 87.8% with H. griseus CYTB (DQ132493) | 93.1% with H. griseus 12S rRNA (AY147887) | 82.0% with C. anguineus CYTB (D50022) | 90.9% with H. griseus CYTB (DQ132493) | 84.2% with S. acanthia CYTB (Y18134) | 89.9% with G. attenuatus CYTB (DQ422079) |
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Un: the feature is not known.
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