Thunnus atlanticus
Blackfin tuna
GC content
46.17%
Whole genome
Non-coding
926 bp
D-loop 865 bp
Where Blackfin tuna sits among 2,335 species
Whole-genome GC content against maximum lifespan. Blackfin tuna has the 1,798th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,528 bp
- GC skew (G − C) / (G + C)
- −0.277
- AT skew (A − T) / (A + T)
- +0.058
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an observed animal, origin not stated
- Data quality
- questionable
- 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 genome16,528 bp
Protein-coding11,408 bp
12S rRNA947 bp
16S rRNA1,692 bp
All tRNA1,555 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 | 48.10% | −0.360 | −0.016 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,046 bp | 49.71% | −0.438 | +0.057 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 45.84% | −0.196 | −0.055 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 44.86% | −0.258 | +0.024 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 45.24% | −0.474 | +0.217 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 44.30% | −0.426 | −0.003 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 46.50% | −0.293 | +0.005 | |||||
| ND3NADH dehydrogenase subunit 3 | 350 bp | 50.86% | −0.382 | −0.012 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 48.15% | −0.385 | −0.130 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 47.14% | −0.349 | +0.030 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 45.90% | −0.393 | +0.045 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 44.83% | −0.402 | +0.361 | |||||
| CYTBCytochrome b | 1,141 bp | 47.15% | −0.349 | −0.075 | |||||
| 12S rRNA12S ribosomal RNA | 947 bp | 49.10% | −0.084 | +0.174 | |||||
| 16S rRNA16S ribosomal RNA | 1,692 bp | 45.80% | −0.110 | +0.232 | |||||
| D-loopControl region (D-loop) | 865 bp | 37.11% | −0.202 | +0.048 |
Codon usage
Counts per codon, darker is more frequent3,807 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.2%
UUU67
UUC168
Leu L17.0%
UUA64
UUG7
CUU150
CUC134
CUA237
CUG57
Ile I7.0%
AUU131
AUC136
Met M4.1%
AUA65
AUG92
Val V5.9%
GUU65
GUC62
GUA78
GUG21
Ser S6.3%
UCU44
UCC61
UCA76
UCG5
AGU7
AGC47
Pro P5.9%
CCU64
CCC75
CCA79
CCG7
Thr T7.9%
ACU51
ACC113
ACA122
ACG15
Ala A9.4%
GCU69
GCC160
GCA120
GCG8
Tyr Y2.9%
UAU33
UAC76
His H2.8%
CAU27
CAC80
Gln Q2.5%
CAA76
CAG18
Asn N3.1%
AAU27
AAC91
Lys K1.9%
AAA69
AAG4
Asp D2.0%
GAU18
GAC59
Glu E2.8%
GAA88
GAG17
Cys C0.7%
UGU7
UGC18
Trp W3.1%
UGA106
UGG13
Arg R2.0%
CGU5
CGC9
CGA52
CGG10
Gly G6.3%
GGU36
GGC65
GGA94
GGG45
Stop 0.2%
UAA6
UAG1
AGA0
AGG0
Genome map
38 annotated features in NC_025519.1Hover, 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 |
|---|---|---|---|---|---|---|
| COX1 | Protein-coding gene | 1 | 1,551 | 1,551 bp | + | 45.8% |
| tRNA-Ser (UCN) | Transfer RNA | 1,552 | 1,622 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 1,626 | 1,698 | 73 bp | + | – |
| COX2 | Protein-coding gene | 1,707 | 2,397 | 691 bp | + | 44.9% |
| tRNA-Lys | Transfer RNA | 2,398 | 2,471 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 2,473 | 2,640 | 168 bp | + | 45.2% |
| ATP6 | Protein-coding gene | 2,631 | 3,314 | 684 bp | + | 44.3% |
| COX3 | Protein-coding gene | 3,314 | 4,098 | 785 bp | + | 46.5% |
| tRNA-Gly | Transfer RNA | 4,099 | 4,169 | 71 bp | + | – |
| ND3 | Protein-coding gene | 4,170 | 4,519 | 350 bp | + | 50.9% |
| tRNA-Arg | Transfer RNA | 4,520 | 4,588 | 69 bp | + | – |
| ND4L | Protein-coding gene | 4,589 | 4,885 | 297 bp | + | 48.2% |
| ND4 | Protein-coding gene | 4,879 | 6,259 | 1,381 bp | + | 47.1% |
| tRNA-His | Transfer RNA | 6,260 | 6,329 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 6,330 | 6,401 | 72 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 6,402 | 6,474 | 73 bp | + | – |
| ND5 | Protein-coding gene | 6,475 | 8,313 | 1,839 bp | + | 45.9% |
| ND6 | Protein-coding gene | 8,310 | 8,831 | 522 bp | − | 44.8% |
| tRNA-Glu | Transfer RNA | 8,833 | 8,901 | 69 bp | − | – |
| CYTB | Protein-coding gene | 8,906 | 10,046 | 1,141 bp | + | 47.2% |
| tRNA-Thr | Transfer RNA | 10,047 | 10,118 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 10,118 | 10,187 | 70 bp | − | – |
| D-loop | Control region | 10,188 | 11,052 | 865 bp | – | 37.1% |
| tRNA-Phe | Transfer RNA | 11,053 | 11,120 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 11,121 | 12,067 | 947 bp | + | 49.1% |
| tRNA-Val | Transfer RNA | 12,068 | 12,140 | 73 bp | + | – |
| 16S rRNA | Ribosomal RNA | 12,141 | 13,832 | 1,692 bp | + | 45.8% |
| tRNA-Leu (UUR) | Transfer RNA | 13,833 | 13,906 | 74 bp | + | – |
| ND1 | Protein-coding gene | 13,907 | 14,881 | 975 bp | + | 48.1% |
| tRNA-Ile | Transfer RNA | 14,886 | 14,956 | 71 bp | + | – |
| tRNA-Gln | Transfer RNA | 14,956 | 15,026 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 15,026 | 15,094 | 69 bp | + | – |
| ND2 | Protein-coding gene | 15,095 | 16,140 | 1,046 bp | + | 49.7% |
| tRNA-Trp | Transfer RNA | 16,141 | 16,210 | 70 bp | + | – |
| tRNA-Ala | Transfer RNA | 16,213 | 16,281 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 16,284 | 16,356 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 16,392 | 16,459 | 68 bp | − | – |
| tRNA-Tyr | Transfer RNA | 16,460 | 16,527 | 68 bp | − | – |