Sepioteuthis lessoniana
Bigfin reef squid
GC content
28.82%
Whole genome
Non-coding
1,754 bp
Including the D-loop
Where Bigfin reef squid sits among 2,335 species
Whole-genome GC content against maximum lifespan. Bigfin reef squid has the 2,329th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome16,631 bp
- GC skew (G − C) / (G + C)
- −0.342
- AT skew (A − T) / (A + T)
- +0.045
About this record
- Lifespan source
- SeaLifeBase 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 genome16,631 bp
Protein-coding11,168 bp
12S rRNA957 bp
16S rRNA1,312 bp
All tRNA1,440 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 939 bp | 32.38% | −0.474 | +0.266 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,041 bp | 26.03% | −0.358 | −0.114 | |||||
| COX1Cytochrome c oxidase subunit I | 1,533 bp | 34.38% | −0.161 | −0.139 | |||||
| COX2Cytochrome c oxidase subunit II | 690 bp | 33.91% | −0.231 | −0.022 | |||||
| ATP8ATP synthase F0 subunit 8 | 156 bp | 19.23% | −0.467 | 0.000 | |||||
| ATP6ATP synthase F0 subunit 6 | 693 bp | 28.72% | −0.357 | −0.178 | |||||
| COX3Cytochrome c oxidase subunit III | 780 bp | 35.77% | −0.154 | −0.206 | |||||
| ND3NADH dehydrogenase subunit 3 | 354 bp | 30.23% | −0.364 | −0.126 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 26.26% | −0.564 | +0.205 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,374 bp | 30.06% | −0.506 | +0.195 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,697 bp | 27.28% | −0.395 | +0.214 | |||||
| ND6NADH dehydrogenase subunit 6 | 507 bp | 24.26% | −0.594 | +0.203 | |||||
| CYTBCytochrome b | 1,140 bp | 30.70% | −0.280 | +0.273 | |||||
| 12S rRNA12S ribosomal RNA | 957 bp | 27.27% | −0.341 | +0.037 | |||||
| 16S rRNA16S ribosomal RNA | 1,312 bp | 25.99% | −0.390 | +0.028 |
Codon usage
Counts per codon, darker is more frequent3,733 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F8.4%
UUU262
UUC52
Leu L15.3%
UUA316
UUG87
CUU75
CUC22
CUA61
CUG9
Ile I8.7%
AUU278
AUC45
Met M7.4%
AUA212
AUG63
Val V6.9%
GUU104
GUC11
GUA108
GUG34
Ser S9.8%
UCU101
UCC24
UCA71
UCG7
AGU54
AGC11
AGA61
AGG36
Pro P3.4%
CCU86
CCC16
CCA23
CCG1
Thr T4.4%
ACU77
ACC25
ACA54
ACG7
Ala A4.0%
GCU75
GCC24
GCA39
GCG10
Tyr Y4.2%
UAU121
UAC34
His H2.1%
CAU50
CAC30
Gln Q1.5%
CAA40
CAG15
Asn N4.5%
AAU129
AAC40
Lys K2.4%
AAA66
AAG24
Asp D1.9%
GAU50
GAC22
Glu E2.3%
GAA57
GAG28
Cys C1.8%
UGU53
UGC13
Trp W2.9%
UGA81
UGG26
Arg R1.4%
CGU13
CGC6
CGA24
CGG11
Gly G6.6%
GGU93
GGC18
GGA77
GGG59
Stop 0.3%
UAA11
UAG1
Genome map
37 annotated features in NC_007894.1Hover, 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
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (28.8%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 37 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| COX3 | Protein-coding gene | 1 | 780 | 780 bp | + | 35.8% |
| ND3 | Protein-coding gene | 843 | 1,196 | 354 bp | + | 30.2% |
| tRNA-Ser (UCN) | Transfer RNA | 1,237 | 1,302 | 66 bp | − | – |
| CYTB | Protein-coding gene | 1,315 | 2,454 | 1,140 bp | − | 30.7% |
| ND6 | Protein-coding gene | 2,459 | 2,965 | 507 bp | − | 24.3% |
| tRNA-Pro | Transfer RNA | 2,967 | 3,031 | 65 bp | − | – |
| ND1 | Protein-coding gene | 3,032 | 3,970 | 939 bp | − | 32.4% |
| tRNA-Gln | Transfer RNA | 4,022 | 4,089 | 68 bp | − | – |
| tRNA-Lys | Transfer RNA | 4,655 | 4,721 | 67 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 4,726 | 4,792 | 67 bp | + | – |
| ND2 | Protein-coding gene | 4,793 | 5,833 | 1,041 bp | + | 26.0% |
| COX1 | Protein-coding gene | 5,805 | 7,337 | 1,533 bp | + | 34.4% |
| tRNA-Cys | Transfer RNA | 7,384 | 7,448 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 7,450 | 7,509 | 60 bp | − | – |
| tRNA-Glu | Transfer RNA | 7,515 | 7,579 | 65 bp | − | – |
| tRNA-Asn | Transfer RNA | 7,699 | 7,765 | 67 bp | + | – |
| COX2 | Protein-coding gene | 7,768 | 8,457 | 690 bp | + | 33.9% |
| tRNA-Met | Transfer RNA | 8,488 | 8,553 | 66 bp | − | – |
| tRNA-Arg | Transfer RNA | 8,554 | 8,619 | 66 bp | + | – |
| tRNA-Phe | Transfer RNA | 8,622 | 8,688 | 67 bp | − | – |
| ND5 | Protein-coding gene | 8,689 | 10,385 | 1,697 bp | − | 27.3% |
| ND4 | Protein-coding gene | 10,423 | 11,796 | 1,374 bp | − | 30.1% |
| ND4L | Protein-coding gene | 11,793 | 12,089 | 297 bp | − | 26.3% |
| tRNA-Thr | Transfer RNA | 12,094 | 12,159 | 66 bp | + | – |
| tRNA-Leu (UUR) | Transfer RNA | 12,158 | 12,222 | 65 bp | − | – |
| tRNA-Gly | Transfer RNA | 12,227 | 12,291 | 65 bp | − | – |
| tRNA-Ile | Transfer RNA | 12,397 | 12,461 | 65 bp | + | – |
| 16S rRNA | Ribosomal RNA | 12,462 | 13,773 | 1,312 bp | − | 26.0% |
| tRNA-Val | Transfer RNA | 13,774 | 13,839 | 66 bp | − | – |
| 12S rRNA | Ribosomal RNA | 13,840 | 14,796 | 957 bp | − | 27.3% |
| tRNA-Trp | Transfer RNA | 14,797 | 14,861 | 65 bp | − | – |
| tRNA-Ala | Transfer RNA | 15,401 | 15,465 | 65 bp | + | – |
| tRNA-Asp | Transfer RNA | 15,471 | 15,536 | 66 bp | + | – |
| ATP8 | Protein-coding gene | 15,538 | 15,693 | 156 bp | + | 19.2% |
| ATP6 | Protein-coding gene | 15,695 | 16,387 | 693 bp | + | 28.7% |
| tRNA-His | Transfer RNA | 16,421 | 16,484 | 64 bp | − | – |
| tRNA-Leu (CUN) | Transfer RNA | 16,488 | 16,553 | 66 bp | − | – |