Thunnus tonggol
Longtail tuna
GC content
46.11%
Whole genome
Non-coding
930 bp
D-loop 866 bp
Where Longtail tuna sits among 2,335 species
Whole-genome GC content against maximum lifespan. Longtail tuna has the 1,007th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,528 bp
- GC skew (G − C) / (G + C)
- −0.278
- AT skew (A − T) / (A + T)
- +0.058
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 genome16,528 bp
Protein-coding11,408 bp
12S rRNA947 bp
16S rRNA1,692 bp
All tRNA1,551 bp
D-loop866 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 48.51% | −0.370 | −0.004 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,046 bp | 49.62% | −0.441 | +0.063 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 45.71% | −0.193 | −0.057 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 44.28% | −0.255 | +0.018 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 45.24% | −0.474 | +0.217 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 44.30% | −0.413 | −0.013 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 46.12% | −0.298 | +0.002 | |||||
| ND3NADH dehydrogenase subunit 3 | 350 bp | 50.57% | −0.379 | −0.029 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 48.15% | −0.385 | −0.130 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 46.85% | −0.354 | +0.033 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 45.68% | −0.393 | +0.045 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 44.64% | −0.408 | +0.363 | |||||
| CYTBCytochrome b | 1,141 bp | 47.15% | −0.361 | −0.065 | |||||
| 12S rRNA12S ribosomal RNA | 947 bp | 49.10% | −0.084 | +0.174 | |||||
| 16S rRNA16S ribosomal RNA | 1,692 bp | 45.80% | −0.112 | +0.234 | |||||
| D-loopControl region (D-loop) | 866 bp | 37.53% | −0.182 | +0.043 |
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%
UUU66
UUC169
Leu L17.0%
UUA66
UUG9
CUU148
CUC136
CUA239
CUG51
Ile I7.0%
AUU129
AUC139
Met M4.1%
AUA67
AUG90
Val V5.9%
GUU64
GUC62
GUA76
GUG23
Ser S6.3%
UCU44
UCC61
UCA78
UCG4
AGU10
AGC44
Pro P5.9%
CCU64
CCC75
CCA80
CCG6
Thr T7.9%
ACU50
ACC112
ACA126
ACG13
Ala A9.4%
GCU73
GCC156
GCA122
GCG6
Tyr Y2.9%
UAU31
UAC78
His H2.8%
CAU28
CAC79
Gln Q2.5%
CAA72
CAG22
Asn N3.1%
AAU28
AAC90
Lys K1.9%
AAA70
AAG3
Asp D2.0%
GAU19
GAC58
Glu E2.8%
GAA87
GAG18
Cys C0.7%
UGU7
UGC18
Trp W3.1%
UGA107
UGG12
Arg R2.0%
CGU5
CGC9
CGA52
CGG10
Gly G6.3%
GGU36
GGC65
GGA93
GGG45
Stop 0.2%
UAA6
UAG1
AGA0
AGG0
Genome map
38 annotated features in NC_020673.1Hover, 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 (46.1%, 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 | + | 45.8% |
| tRNA-Leu (UUR) | Transfer RNA | 2,781 | 2,854 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,855 | 3,829 | 975 bp | + | 48.5% |
| tRNA-Ile | Transfer RNA | 3,834 | 3,904 | 71 bp | + | – |
| tRNA-Glu | Transfer RNA | 3,904 | 3,974 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,974 | 4,042 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,043 | 5,088 | 1,046 bp | + | 49.6% |
| 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 | + | 45.7% |
| 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 | + | 44.3% |
| 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 | + | 44.3% |
| COX3 | Protein-coding gene | 8,789 | 9,573 | 785 bp | + | 46.1% |
| tRNA-Gly | Transfer RNA | 9,574 | 9,644 | 71 bp | + | – |
| ND3 | Protein-coding gene | 9,645 | 9,994 | 350 bp | + | 50.6% |
| tRNA-Arg | Transfer RNA | 9,995 | 10,063 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,064 | 10,360 | 297 bp | + | 48.2% |
| ND4 | Protein-coding gene | 10,354 | 11,734 | 1,381 bp | + | 46.9% |
| 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 | + | 45.7% |
| ND6 | Protein-coding gene | 13,785 | 14,306 | 522 bp | − | 44.6% |
| tRNA-Gln | Transfer RNA | 14,308 | 14,376 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,381 | 15,521 | 1,141 bp | + | 47.2% |
| 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 | 16,528 | 866 bp | – | 37.5% |