Decapterus macarellus
Mackerel scad
GC content
47.47%
Whole genome
Non-coding
911 bp
D-loop 844 bp
Where Mackerel scad sits among 2,335 species
Whole-genome GC content against maximum lifespan. Mackerel scad has the 2,119th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,544 bp
- GC skew (G − C) / (G + C)
- −0.282
- AT skew (A − T) / (A + T)
- +0.038
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an estimate, not an observed animal
- Data quality
- low
- 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 genome16,544 bp
Protein-coding11,406 bp
12S rRNA954 bp
16S rRNA1,721 bp
All tRNA1,552 bp
D-loop844 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 50.77% | −0.370 | −0.067 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 49.38% | −0.469 | +0.070 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 47.32% | −0.202 | −0.077 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 45.73% | −0.291 | +0.067 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 47.27% | −0.436 | +0.057 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 47.95% | −0.433 | −0.062 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 49.30% | −0.276 | −0.055 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 48.14% | −0.393 | −0.116 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 50.84% | −0.391 | −0.123 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 49.10% | −0.375 | −0.024 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 47.31% | −0.389 | +0.003 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 50.58% | −0.326 | +0.457 | |||||
| CYTBCytochrome b | 1,141 bp | 49.78% | −0.380 | −0.061 | |||||
| 12S rRNA12S ribosomal RNA | 954 bp | 48.53% | −0.076 | +0.185 | |||||
| 16S rRNA16S ribosomal RNA | 1,721 bp | 45.73% | −0.103 | +0.188 | |||||
| D-loopControl region (D-loop) | 844 bp | 36.73% | −0.123 | 0.000 |
Codon usage
Counts per codon, darker is more frequent3,806 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.4%
UUU92
UUC151
Leu L16.9%
UUA55
UUG14
CUU168
CUC168
CUA172
CUG66
Ile I7.2%
AUU134
AUC139
Met M4.0%
AUA70
AUG83
Val V6.0%
GUU62
GUC88
GUA63
GUG14
Ser S6.2%
UCU33
UCC82
UCA60
UCG11
AGU4
AGC45
Pro P6.0%
CCU43
CCC102
CCA63
CCG19
Thr T7.8%
ACU43
ACC130
ACA102
ACG23
Ala A9.0%
GCU57
GCC166
GCA101
GCG18
Tyr Y3.0%
UAU30
UAC83
His H2.8%
CAU20
CAC88
Gln Q2.5%
CAA82
CAG15
Asn N3.2%
AAU29
AAC93
Lys K1.9%
AAA65
AAG9
Asp D2.1%
GAU13
GAC66
Glu E2.5%
GAA72
GAG25
Cys C0.7%
UGU5
UGC20
Trp W3.2%
UGA103
UGG17
Arg R2.0%
CGU9
CGC18
CGA37
CGG14
Gly G6.4%
GGU25
GGC98
GGA81
GGG41
Stop 0.2%
UAA4
UAG3
AGA0
AGG0
Genome map
38 annotated features in NC_026718.1Hover, 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 (47.5%, 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 |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 68 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 69 | 1,022 | 954 bp | + | 48.5% |
| tRNA-Val | Transfer RNA | 1,023 | 1,094 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,095 | 2,815 | 1,721 bp | + | 45.7% |
| tRNA-Leu (UUR) | Transfer RNA | 2,816 | 2,889 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,890 | 3,864 | 975 bp | + | 50.8% |
| tRNA-Ile | Transfer RNA | 3,870 | 3,939 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,939 | 4,009 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 4,009 | 4,078 | 70 bp | + | – |
| ND2 | Protein-coding gene | 4,079 | 5,123 | 1,045 bp | + | 49.4% |
| tRNA-Trp | Transfer RNA | 5,124 | 5,194 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,196 | 5,264 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,266 | 5,338 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,377 | 5,443 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,444 | 5,513 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,515 | 7,065 | 1,551 bp | + | 47.3% |
| tRNA-Ser (UCN) | Transfer RNA | 7,066 | 7,136 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,140 | 7,210 | 71 bp | + | – |
| COX2 | Protein-coding gene | 7,218 | 7,908 | 691 bp | + | 45.7% |
| tRNA-Lys | Transfer RNA | 7,909 | 7,982 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,984 | 8,148 | 165 bp | + | 47.3% |
| ATP6 | Protein-coding gene | 8,142 | 8,825 | 684 bp | + | 48.0% |
| COX3 | Protein-coding gene | 8,825 | 9,609 | 785 bp | + | 49.3% |
| tRNA-Gly | Transfer RNA | 9,610 | 9,679 | 70 bp | + | – |
| ND3 | Protein-coding gene | 9,680 | 10,028 | 349 bp | + | 48.1% |
| tRNA-Arg | Transfer RNA | 10,029 | 10,097 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,099 | 10,395 | 297 bp | + | 50.8% |
| ND4 | Protein-coding gene | 10,389 | 11,769 | 1,381 bp | + | 49.1% |
| tRNA-His | Transfer RNA | 11,770 | 11,841 | 72 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,842 | 11,909 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,915 | 11,987 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,988 | 13,826 | 1,839 bp | + | 47.3% |
| ND6 | Protein-coding gene | 13,823 | 14,344 | 522 bp | − | 50.6% |
| tRNA-Glu | Transfer RNA | 14,345 | 14,413 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,418 | 15,558 | 1,141 bp | + | 49.8% |
| tRNA-Thr | Transfer RNA | 15,559 | 15,630 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,630 | 15,700 | 71 bp | − | – |
| D-loop | Control region | 15,701 | 16,544 | 844 bp | – | 36.7% |