Selar crumenophthalmus
Bigeye scad
GC content
46.25%
Whole genome
Non-coding
969 bp
D-loop 904 bp
Where Bigeye scad sits among 2,335 species
Whole-genome GC content against maximum lifespan. Bigeye scad has the 1,881st longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,610 bp
- GC skew (G − C) / (G + C)
- −0.275
- AT skew (A − T) / (A + T)
- +0.011
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 genome16,610 bp
Protein-coding11,406 bp
12S rRNA957 bp
16S rRNA1,722 bp
All tRNA1,556 bp
D-loop904 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 49.54% | −0.375 | −0.061 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 47.37% | −0.479 | −0.018 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 45.46% | −0.183 | −0.078 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 43.13% | −0.255 | −0.013 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 51.52% | −0.412 | +0.125 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 43.57% | −0.423 | −0.073 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 48.79% | −0.295 | −0.020 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 43.84% | −0.281 | −0.184 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 51.18% | −0.421 | −0.103 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 48.01% | −0.373 | −0.061 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 46.49% | −0.389 | 0.000 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 48.28% | −0.365 | +0.385 | |||||
| CYTBCytochrome b | 1,141 bp | 46.01% | −0.333 | −0.153 | |||||
| 12S rRNA12S ribosomal RNA | 957 bp | 47.54% | −0.059 | +0.167 | |||||
| 16S rRNA16S ribosomal RNA | 1,722 bp | 45.82% | −0.103 | +0.183 | |||||
| D-loopControl region (D-loop) | 904 bp | 38.50% | −0.190 | −0.047 |
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 F6.2%
UUU84
UUC151
Leu L17.1%
UUA90
UUG16
CUU162
CUC189
CUA147
CUG46
Ile I7.1%
AUU163
AUC107
Met M4.1%
AUA76
AUG79
Val V6.0%
GUU88
GUC63
GUA64
GUG14
Ser S6.0%
UCU40
UCC62
UCA73
UCG6
AGU5
AGC42
Pro P5.9%
CCU62
CCC84
CCA69
CCG11
Thr T7.7%
ACU56
ACC121
ACA102
ACG14
Ala A9.2%
GCU62
GCC168
GCA95
GCG24
Tyr Y3.0%
UAU50
UAC64
His H2.9%
CAU22
CAC87
Gln Q2.5%
CAA81
CAG14
Asn N3.3%
AAU43
AAC81
Lys K1.9%
AAA69
AAG5
Asp D2.0%
GAU23
GAC55
Glu E2.7%
GAA76
GAG25
Cys C0.7%
UGU5
UGC21
Trp W3.2%
UGA107
UGG16
Arg R2.0%
CGU10
CGC20
CGA36
CGG11
Gly G6.4%
GGU42
GGC92
GGA68
GGG41
Stop 0.2%
UAA5
UAG2
AGA0
AGG0
Genome map
38 annotated features in NC_023954.1Hover, 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 |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 70 | 70 bp | + | – |
| 12S rRNA | Ribosomal RNA | 71 | 1,027 | 957 bp | + | 47.5% |
| tRNA-Val | Transfer RNA | 1,028 | 1,099 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,100 | 2,821 | 1,722 bp | + | 45.8% |
| tRNA-Leu (UUR) | Transfer RNA | 2,822 | 2,896 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,897 | 3,871 | 975 bp | + | 49.5% |
| tRNA-Ile | Transfer RNA | 3,877 | 3,946 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,948 | 4,018 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 4,018 | 4,086 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,087 | 5,131 | 1,045 bp | + | 47.4% |
| tRNA-Trp | Transfer RNA | 5,132 | 5,202 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,204 | 5,272 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,274 | 5,346 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,384 | 5,451 | 68 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,452 | 5,521 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,523 | 7,073 | 1,551 bp | + | 45.5% |
| tRNA-Ser (UCN) | Transfer RNA | 7,074 | 7,144 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,148 | 7,218 | 71 bp | + | – |
| COX2 | Protein-coding gene | 7,225 | 7,915 | 691 bp | + | 43.1% |
| tRNA-Lys | Transfer RNA | 7,916 | 7,990 | 75 bp | + | – |
| ATP8 | Protein-coding gene | 7,992 | 8,156 | 165 bp | + | 51.5% |
| ATP6 | Protein-coding gene | 8,150 | 8,833 | 684 bp | + | 43.6% |
| COX3 | Protein-coding gene | 8,833 | 9,617 | 785 bp | + | 48.8% |
| tRNA-Gly | Transfer RNA | 9,618 | 9,687 | 70 bp | + | – |
| ND3 | Protein-coding gene | 9,688 | 10,036 | 349 bp | + | 43.8% |
| tRNA-Arg | Transfer RNA | 10,037 | 10,105 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,107 | 10,403 | 297 bp | + | 51.2% |
| ND4 | Protein-coding gene | 10,397 | 11,777 | 1,381 bp | + | 48.0% |
| tRNA-His | Transfer RNA | 11,778 | 11,849 | 72 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,850 | 11,916 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,921 | 11,993 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,994 | 13,832 | 1,839 bp | + | 46.5% |
| ND6 | Protein-coding gene | 13,829 | 14,350 | 522 bp | − | 48.3% |
| tRNA-Glu | Transfer RNA | 14,351 | 14,419 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,424 | 15,564 | 1,141 bp | + | 46.0% |
| tRNA-Thr | Transfer RNA | 15,565 | 15,636 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,636 | 15,706 | 71 bp | − | – |
| D-loop | Control region | 15,707 | 16,610 | 904 bp | – | 38.5% |