Polydactylus sextarius
Blackspot threadfin
GC content
46.63%
Whole genome
Non-coding
996 bp
D-loop 888 bp
Where Blackspot threadfin sits among 2,335 species
Whole-genome GC content against maximum lifespan. Blackspot threadfin has the 2,050th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,836 bp
- GC skew (G − C) / (G + C)
- −0.284
- AT skew (A − T) / (A + T)
- +0.026
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 genome16,836 bp
Protein-coding11,416 bp
12S rRNA1,154 bp
16S rRNA1,717 bp
All tRNA1,553 bp
D-loop888 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 48.10% | −0.377 | −0.071 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,052 bp | 50.38% | −0.453 | −0.008 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 46.94% | −0.206 | −0.079 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 44.57% | −0.299 | +0.044 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 45.24% | −0.342 | +0.043 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 43.71% | −0.365 | −0.049 | |||||
| COX3Cytochrome c oxidase subunit III | 786 bp | 49.87% | −0.301 | −0.030 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 49.28% | −0.349 | −0.186 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 53.20% | −0.405 | −0.122 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,384 bp | 47.25% | −0.391 | −0.060 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 46.06% | −0.410 | +0.024 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 45.21% | −0.390 | +0.378 | |||||
| CYTBCytochrome b | 1,140 bp | 48.51% | −0.331 | −0.063 | |||||
| 12S rRNA12S ribosomal RNA | 1,154 bp | 47.83% | −0.109 | +0.133 | |||||
| 16S rRNA16S ribosomal RNA | 1,717 bp | 47.35% | −0.137 | +0.199 | |||||
| D-loopControl region (D-loop) | 888 bp | 34.69% | −0.136 | −0.031 |
Codon usage
Counts per codon, darker is more frequent3,811 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.6%
UUU111
UUC142
Leu L16.5%
UUA69
UUG16
CUU169
CUC152
CUA161
CUG60
Ile I7.7%
AUU151
AUC142
Met M4.0%
AUA99
AUG53
Val V6.3%
GUU58
GUC87
GUA68
GUG27
Ser S6.6%
UCU32
UCC95
UCA60
UCG5
AGU12
AGC48
Pro P5.9%
CCU43
CCC102
CCA67
CCG14
Thr T7.5%
ACU47
ACC120
ACA101
ACG17
Ala A8.7%
GCU47
GCC164
GCA110
GCG10
Tyr Y2.8%
UAU39
UAC67
His H2.6%
CAU11
CAC89
Gln Q2.7%
CAA91
CAG12
Asn N3.0%
AAU29
AAC87
Lys K1.9%
AAA55
AAG19
Asp D2.2%
GAU20
GAC63
Glu E2.5%
GAA75
GAG21
Cys C0.8%
UGU9
UGC20
Trp W3.1%
UGA96
UGG22
Arg R2.0%
CGU10
CGC21
CGA42
CGG5
Gly G6.3%
GGU24
GGC94
GGA74
GGG48
Stop 0.2%
UAA7
UAG2
AGA0
AGG0
Genome map
38 annotated features in NC_027088.1Hover, 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 (46.6%, 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 | 1,224 | 1,154 bp | + | 47.8% |
| tRNA-Val | Transfer RNA | 1,225 | 1,295 | 71 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,296 | 3,012 | 1,717 bp | + | 47.4% |
| tRNA-Leu (UUR) | Transfer RNA | 3,013 | 3,087 | 75 bp | + | – |
| ND1 | Protein-coding gene | 3,088 | 4,062 | 975 bp | + | 48.1% |
| tRNA-Ile | Transfer RNA | 4,067 | 4,136 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 4,136 | 4,206 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 4,206 | 4,274 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,275 | 5,326 | 1,052 bp | + | 50.4% |
| tRNA-Trp | Transfer RNA | 5,327 | 5,397 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,400 | 5,468 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,470 | 5,542 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,583 | 5,648 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,649 | 5,718 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,720 | 7,270 | 1,551 bp | + | 46.9% |
| tRNA-Ser (UCN) | Transfer RNA | 7,271 | 7,341 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,343 | 7,413 | 71 bp | + | – |
| COX2 | Protein-coding gene | 7,422 | 8,112 | 691 bp | + | 44.6% |
| tRNA-Lys | Transfer RNA | 8,113 | 8,186 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 8,190 | 8,357 | 168 bp | + | 45.2% |
| ATP6 | Protein-coding gene | 8,348 | 9,031 | 684 bp | + | 43.7% |
| COX3 | Protein-coding gene | 9,031 | 9,816 | 786 bp | + | 49.9% |
| tRNA-Gly | Transfer RNA | 9,835 | 9,906 | 72 bp | + | – |
| ND3 | Protein-coding gene | 9,907 | 10,255 | 349 bp | + | 49.3% |
| tRNA-Arg | Transfer RNA | 10,256 | 10,325 | 70 bp | + | – |
| ND4L | Protein-coding gene | 10,326 | 10,622 | 297 bp | + | 53.2% |
| ND4 | Protein-coding gene | 10,616 | 11,999 | 1,384 bp | + | 47.3% |
| tRNA-His | Transfer RNA | 12,000 | 12,068 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 12,069 | 12,136 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 12,141 | 12,213 | 73 bp | + | – |
| ND5 | Protein-coding gene | 12,217 | 14,055 | 1,839 bp | + | 46.1% |
| ND6 | Protein-coding gene | 14,052 | 14,573 | 522 bp | − | 45.2% |
| tRNA-Glu | Transfer RNA | 14,574 | 14,642 | 69 bp | + | – |
| CYTB | Protein-coding gene | 14,648 | 15,787 | 1,140 bp | + | 48.5% |
| tRNA-Thr | Transfer RNA | 15,806 | 15,877 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,878 | 15,948 | 71 bp | − | – |
| D-loop | Control region | 15,949 | 16,836 | 888 bp | – | 34.7% |