Spratelloides gracilis
Silver-stripe round herring
GC content
48.12%
Whole genome
Non-coding
1,101 bp
D-loop 1,000 bp
Where Silver-stripe round herring sits among 2,335 species
Whole-genome GC content against maximum lifespan. Silver-stripe round herring has the 2,330th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,686 bp
- GC skew (G − C) / (G + C)
- −0.167
- AT skew (A − T) / (A + T)
- −0.034
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an observed animal, origin not stated
- 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 genome16,686 bp
Protein-coding11,402 bp
12S rRNA952 bp
16S rRNA1,677 bp
All tRNA1,554 bp
D-loop1,000 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 50.97% | −0.223 | −0.180 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 50.72% | −0.264 | −0.118 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 45.78% | −0.115 | −0.122 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 46.17% | −0.191 | +0.005 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 43.45% | −0.370 | +0.011 | |||||
| ATP6ATP synthase F0 subunit 6 | 683 bp | 43.78% | −0.298 | −0.151 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 49.11% | −0.205 | −0.088 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 46.13% | −0.230 | −0.213 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 49.16% | −0.219 | −0.152 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 48.81% | −0.220 | −0.109 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,836 bp | 47.60% | −0.245 | −0.098 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 51.72% | −0.148 | +0.365 | |||||
| CYTBCytochrome b | 1,141 bp | 48.03% | −0.193 | −0.177 | |||||
| 12S rRNA12S ribosomal RNA | 952 bp | 51.37% | −0.035 | +0.175 | |||||
| 16S rRNA16S ribosomal RNA | 1,677 bp | 49.31% | −0.037 | +0.191 | |||||
| D-loopControl region (D-loop) | 1,000 bp | 39.90% | −0.133 | −0.048 |
Codon usage
Counts per codon, darker is more frequent3,805 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.1%
UUU104
UUC129
Leu L16.2%
UUA103
UUG49
CUU162
CUC100
CUA120
CUG84
Ile I6.5%
AUU155
AUC91
Met M4.4%
AUA65
AUG102
Val V7.0%
GUU89
GUC69
GUA72
GUG38
Ser S6.5%
UCU53
UCC75
UCA43
UCG21
AGU15
AGC42
Pro P5.7%
CCU68
CCC80
CCA54
CCG13
Thr T7.6%
ACU63
ACC123
ACA74
ACG29
Ala A9.6%
GCU71
GCC181
GCA82
GCG33
Tyr Y3.0%
UAU47
UAC66
His H2.8%
CAU29
CAC78
Gln Q2.4%
CAA55
CAG38
Asn N2.8%
AAU39
AAC67
Lys K1.9%
AAA39
AAG35
Asp D2.0%
GAU17
GAC61
Glu E2.6%
GAA57
GAG41
Cys C0.8%
UGU13
UGC16
Trp W3.2%
UGA88
UGG33
Arg R2.1%
CGU8
CGC11
CGA36
CGG24
Gly G6.5%
GGU36
GGC74
GGA76
GGG63
Stop 0.2%
UAA4
UAG2
AGA0
AGG0
Genome map
38 annotated features in NC_009589.1Hover, 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 (48.1%, 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 | 69 | 69 bp | + | – |
| 12S rRNA | Ribosomal RNA | 70 | 1,021 | 952 bp | + | 51.4% |
| tRNA-Val | Transfer RNA | 1,022 | 1,093 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,094 | 2,770 | 1,677 bp | + | 49.3% |
| tRNA-Leu (UUR) | Transfer RNA | 2,771 | 2,846 | 76 bp | + | – |
| ND1 | Protein-coding gene | 2,847 | 3,821 | 975 bp | + | 51.0% |
| tRNA-Ile | Transfer RNA | 3,827 | 3,898 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,898 | 3,968 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,968 | 4,036 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,037 | 5,081 | 1,045 bp | + | 50.7% |
| tRNA-Trp | Transfer RNA | 5,082 | 5,153 | 72 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,158 | 5,226 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,227 | 5,300 | 74 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,332 | 5,397 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,398 | 5,468 | 71 bp | − | – |
| COX1 | Protein-coding gene | 5,470 | 7,020 | 1,551 bp | + | 45.8% |
| tRNA-Ser (UCN) | Transfer RNA | 7,021 | 7,091 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,096 | 7,165 | 70 bp | + | – |
| COX2 | Protein-coding gene | 7,177 | 7,867 | 691 bp | + | 46.2% |
| tRNA-Lys | Transfer RNA | 7,868 | 7,941 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,943 | 8,110 | 168 bp | + | 43.5% |
| ATP6 | Protein-coding gene | 8,101 | 8,783 | 683 bp | + | 43.8% |
| COX3 | Protein-coding gene | 8,784 | 9,567 | 784 bp | + | 49.1% |
| tRNA-Gly | Transfer RNA | 9,568 | 9,639 | 72 bp | + | – |
| ND3 | Protein-coding gene | 9,640 | 9,988 | 349 bp | + | 46.1% |
| tRNA-Arg | Transfer RNA | 9,989 | 10,058 | 70 bp | + | – |
| ND4L | Protein-coding gene | 10,059 | 10,355 | 297 bp | + | 49.2% |
| ND4 | Protein-coding gene | 10,349 | 11,729 | 1,381 bp | + | 48.8% |
| tRNA-His | Transfer RNA | 11,730 | 11,798 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,799 | 11,866 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,867 | 11,938 | 72 bp | + | – |
| ND5 | Protein-coding gene | 11,940 | 13,775 | 1,836 bp | + | 47.6% |
| ND6 | Protein-coding gene | 13,772 | 14,293 | 522 bp | − | 51.7% |
| tRNA-Glu | Transfer RNA | 14,294 | 14,362 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,367 | 15,507 | 1,141 bp | + | 48.0% |
| tRNA-Thr | Transfer RNA | 15,508 | 15,577 | 70 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,617 | 15,686 | 70 bp | − | – |
| D-loop | Control region | 15,687 | 16,686 | 1,000 bp | – | 39.9% |