Euthynnus alletteratus
Little tunny
GC content
46.50%
Whole genome
Non-coding
920 bp
D-loop 857 bp
Where Little tunny sits among 2,335 species
Whole-genome GC content against maximum lifespan. Little tunny has the 1,570th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,520 bp
- GC skew (G − C) / (G + C)
- −0.271
- AT skew (A − T) / (A + T)
- +0.061
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.
- May be the same species as Euthynnus affinis.
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome16,520 bp
Protein-coding11,408 bp
12S rRNA948 bp
16S rRNA1,693 bp
All tRNA1,551 bp
D-loop857 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% | −0.342 | −0.008 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,047 bp | 48.14% | −0.429 | +0.079 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 46.87% | −0.183 | −0.070 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 46.02% | −0.270 | +0.046 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 47.02% | −0.443 | +0.124 | |||||
| ATP6ATP synthase F0 subunit 6 | 683 bp | 46.71% | −0.398 | −0.005 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 47.01% | −0.279 | −0.014 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 48.71% | −0.365 | −0.128 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 51.52% | −0.373 | −0.153 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 48.01% | −0.351 | +0.059 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 46.66% | −0.375 | +0.048 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 46.36% | −0.372 | +0.400 | |||||
| CYTBCytochrome b | 1,141 bp | 46.63% | −0.376 | −0.048 | |||||
| 12S rRNA12S ribosomal RNA | 948 bp | 49.16% | −0.090 | +0.170 | |||||
| 16S rRNA16S ribosomal RNA | 1,693 bp | 45.30% | −0.103 | +0.222 | |||||
| D-loopControl region (D-loop) | 857 bp | 38.51% | −0.188 | +0.059 |
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 F6.1%
UUU60
UUC174
Leu L17.0%
UUA69
UUG13
CUU147
CUC130
CUA226
CUG64
Ile I7.0%
AUU130
AUC136
Met M4.1%
AUA72
AUG85
Val V6.0%
GUU64
GUC52
GUA89
GUG22
Ser S6.2%
UCU49
UCC60
UCA68
UCG4
AGU4
AGC51
Pro P5.8%
CCU63
CCC78
CCA72
CCG9
Thr T8.0%
ACU43
ACC118
ACA122
ACG21
Ala A9.6%
GCU69
GCC160
GCA120
GCG16
Tyr Y2.8%
UAU24
UAC84
His H2.8%
CAU23
CAC84
Gln Q2.4%
CAA71
CAG22
Asn N3.1%
AAU29
AAC88
Lys K1.9%
AAA69
AAG4
Asp D2.0%
GAU16
GAC61
Glu E2.8%
GAA82
GAG23
Cys C0.7%
UGU4
UGC21
Trp W3.1%
UGA106
UGG13
Arg R2.0%
CGU6
CGC10
CGA49
CGG10
Gly G6.3%
GGU40
GGC74
GGA88
GGG39
Stop 0.2%
UAA6
UAG1
AGA0
AGG0
Genome map
38 annotated features in NC_004530.1Hover, 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 (46.5%, 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 |
|---|---|---|---|---|---|---|
| D-loop | Control region | 1 | 857 | 857 bp | – | 38.5% |
| tRNA-Phe | Transfer RNA | 858 | 925 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 926 | 1,873 | 948 bp | + | 49.2% |
| tRNA-Val | Transfer RNA | 1,874 | 1,945 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,946 | 3,638 | 1,693 bp | + | 45.3% |
| tRNA-Leu (UUR) | Transfer RNA | 3,639 | 3,712 | 74 bp | + | – |
| ND1 | Protein-coding gene | 3,713 | 4,687 | 975 bp | + | 47.1% |
| tRNA-Ile | Transfer RNA | 4,692 | 4,762 | 71 bp | + | – |
| tRNA-Gln | Transfer RNA | 4,762 | 4,832 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 4,832 | 4,900 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,901 | 5,947 | 1,047 bp | + | 48.1% |
| tRNA-Trp | Transfer RNA | 5,948 | 6,020 | 73 bp | + | – |
| tRNA-Ala | Transfer RNA | 6,022 | 6,090 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 6,093 | 6,165 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 6,200 | 6,267 | 68 bp | − | – |
| tRNA-Tyr | Transfer RNA | 6,268 | 6,334 | 67 bp | − | – |
| COX1 | Protein-coding gene | 6,336 | 7,886 | 1,551 bp | + | 46.9% |
| tRNA-Ser (UCN) | Transfer RNA | 7,887 | 7,957 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,961 | 8,033 | 73 bp | + | – |
| COX2 | Protein-coding gene | 8,042 | 8,732 | 691 bp | + | 46.0% |
| tRNA-Lys | Transfer RNA | 8,733 | 8,806 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 8,808 | 8,975 | 168 bp | + | 47.0% |
| ATP6 | Protein-coding gene | 8,966 | 9,648 | 683 bp | + | 46.7% |
| COX3 | Protein-coding gene | 9,649 | 10,433 | 785 bp | + | 47.0% |
| tRNA-Gly | Transfer RNA | 10,434 | 10,504 | 71 bp | + | – |
| ND3 | Protein-coding gene | 10,505 | 10,853 | 349 bp | + | 48.7% |
| tRNA-Arg | Transfer RNA | 10,854 | 10,922 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,923 | 11,219 | 297 bp | + | 51.5% |
| ND4 | Protein-coding gene | 11,213 | 12,593 | 1,381 bp | + | 48.0% |
| tRNA-His | Transfer RNA | 12,594 | 12,663 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 12,664 | 12,731 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 12,736 | 12,808 | 73 bp | + | – |
| ND5 | Protein-coding gene | 12,809 | 14,647 | 1,839 bp | + | 46.7% |
| ND6 | Protein-coding gene | 14,644 | 15,165 | 522 bp | − | 46.4% |
| tRNA-Ala | Transfer RNA | 15,167 | 15,234 | 68 bp | − | – |
| CYTB | Protein-coding gene | 15,239 | 16,379 | 1,141 bp | + | 46.6% |
| tRNA-Thr | Transfer RNA | 16,380 | 16,451 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 16,451 | 16,520 | 70 bp | − | – |