Thunnus orientalis
Pacific bluefin tuna
GC content
46.19%
Whole genome
Non-coding
929 bp
D-loop 865 bp
Where Pacific bluefin tuna sits among 2,335 species
Whole-genome GC content against maximum lifespan. Pacific bluefin tuna has the 1,228th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,527 bp
- GC skew (G − C) / (G + C)
- −0.277
- AT skew (A − T) / (A + T)
- +0.054
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an animal in the wild
- Data quality
- acceptable
- Licence
- CC BY-NC 4.0
- Status
- New in build 2
- In the database since
- build 2 (2026-11-13)
The lifespan value is for non-commercial use only; the genome data is not restricted by it.
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome16,527 bp
Protein-coding11,411 bp
12S rRNA947 bp
16S rRNA1,692 bp
All tRNA1,551 bp
D-loop865 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 47.08% | −0.364 | −0.016 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,047 bp | 50.43% | −0.432 | +0.067 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 46.10% | −0.192 | −0.060 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 44.43% | −0.264 | +0.026 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 45.24% | −0.474 | +0.217 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 44.15% | −0.384 | −0.031 | |||||
| COX3Cytochrome c oxidase subunit III | 786 bp | 47.07% | −0.314 | +0.019 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 51.00% | −0.397 | −0.012 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 50.17% | −0.409 | −0.108 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 46.20% | −0.354 | +0.031 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 46.22% | −0.393 | +0.048 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 44.44% | −0.388 | +0.345 | |||||
| CYTBCytochrome b | 1,141 bp | 46.63% | −0.350 | −0.077 | |||||
| 12S rRNA12S ribosomal RNA | 947 bp | 49.10% | −0.080 | +0.162 | |||||
| 16S rRNA16S ribosomal RNA | 1,692 bp | 45.92% | −0.112 | +0.235 | |||||
| D-loopControl region (D-loop) | 865 bp | 37.69% | −0.190 | +0.002 |
Codon usage
Counts per codon, darker is more frequent3,810 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.2%
UUU70
UUC165
Leu L17.0%
UUA65
UUG7
CUU145
CUC137
CUA234
CUG61
Ile I7.0%
AUU129
AUC137
Met M4.1%
AUA67
AUG90
Val V6.0%
GUU65
GUC62
GUA80
GUG21
Ser S6.3%
UCU45
UCC60
UCA75
UCG6
AGU8
AGC47
Pro P5.9%
CCU67
CCC73
CCA80
CCG6
Thr T7.9%
ACU47
ACC112
ACA127
ACG14
Ala A9.4%
GCU72
GCC160
GCA115
GCG10
Tyr Y2.9%
UAU30
UAC79
His H2.8%
CAU26
CAC81
Gln Q2.5%
CAA78
CAG16
Asn N3.1%
AAU28
AAC91
Lys K1.9%
AAA71
AAG2
Asp D2.0%
GAU17
GAC59
Glu E2.8%
GAA84
GAG21
Cys C0.7%
UGU8
UGC17
Trp W3.1%
UGA110
UGG9
Arg R2.0%
CGU7
CGC7
CGA53
CGG9
Gly G6.2%
GGU36
GGC67
GGA91
GGG44
Stop 0.3%
UAA9
UAG1
AGA0
AGG0
Genome map
38 annotated features in NC_008455.1Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.
- Protein-coding13
- rRNA2
- tRNA22
- D-loop1
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (46.2%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 68 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 69 | 1,015 | 947 bp | + | 49.1% |
| tRNA-Val | Transfer RNA | 1,016 | 1,088 | 73 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,089 | 2,780 | 1,692 bp | + | 45.9% |
| tRNA-Leu (UUR) | Transfer RNA | 2,781 | 2,854 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,855 | 3,829 | 975 bp | + | 47.1% |
| tRNA-Ile | Transfer RNA | 3,834 | 3,904 | 71 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,904 | 3,974 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,974 | 4,042 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,043 | 5,089 | 1,047 bp | + | 50.4% |
| tRNA-Trp | Transfer RNA | 5,089 | 5,158 | 70 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,160 | 5,228 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,231 | 5,303 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,339 | 5,406 | 68 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,407 | 5,474 | 68 bp | − | – |
| COX1 | Protein-coding gene | 5,476 | 7,026 | 1,551 bp | + | 46.1% |
| tRNA-Ser (UCN) | Transfer RNA | 7,027 | 7,097 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,101 | 7,173 | 73 bp | + | – |
| COX2 | Protein-coding gene | 7,182 | 7,872 | 691 bp | + | 44.4% |
| tRNA-Lys | Transfer RNA | 7,873 | 7,946 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,948 | 8,115 | 168 bp | + | 45.2% |
| ATP6 | Protein-coding gene | 8,106 | 8,789 | 684 bp | + | 44.2% |
| COX3 | Protein-coding gene | 8,789 | 9,574 | 786 bp | + | 47.1% |
| tRNA-Gly | Transfer RNA | 9,574 | 9,644 | 71 bp | + | – |
| ND3 | Protein-coding gene | 9,645 | 9,995 | 351 bp | + | 51.0% |
| tRNA-Arg | Transfer RNA | 9,995 | 10,063 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,064 | 10,360 | 297 bp | + | 50.2% |
| ND4 | Protein-coding gene | 10,354 | 11,734 | 1,381 bp | + | 46.2% |
| tRNA-His | Transfer RNA | 11,735 | 11,804 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,805 | 11,872 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,877 | 11,949 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,950 | 13,788 | 1,839 bp | + | 46.2% |
| ND6 | Protein-coding gene | 13,785 | 14,306 | 522 bp | − | 44.4% |
| tRNA-Glu | Transfer RNA | 14,308 | 14,376 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,381 | 15,521 | 1,141 bp | + | 46.6% |
| tRNA-Thr | Transfer RNA | 15,522 | 15,593 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,593 | 15,662 | 70 bp | − | – |
| D-loop | Control region | 15,663 | 16,527 | 865 bp | – | 37.7% |