Sepia officinalis
Common cuttlefish
GC content
27.31%
Whole genome
Non-coding
1,424 bp
Including the D-loop
Where Common cuttlefish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Common cuttlefish has the 2,258th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome16,163 bp
- GC skew (G − C) / (G + C)
- −0.305
- AT skew (A − T) / (A + T)
- +0.053
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 genome16,163 bp
Protein-coding11,040 bp
12S rRNA984 bp
16S rRNA1,266 bp
All tRNA1,450 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 939 bp | 30.03% | −0.433 | +0.266 | |||||
| ND2NADH dehydrogenase subunit 2 | 901 bp | 22.97% | −0.324 | −0.098 | |||||
| COX1Cytochrome c oxidase subunit I | 1,533 bp | 33.40% | −0.063 | −0.162 | |||||
| COX2Cytochrome c oxidase subunit II | 684 bp | 30.56% | −0.196 | −0.006 | |||||
| ATP8ATP synthase F0 subunit 8 | 156 bp | 17.95% | −0.571 | +0.031 | |||||
| ATP6ATP synthase F0 subunit 6 | 693 bp | 25.97% | −0.311 | −0.193 | |||||
| COX3Cytochrome c oxidase subunit III | 780 bp | 33.85% | −0.129 | −0.178 | |||||
| ND3NADH dehydrogenase subunit 3 | 352 bp | 30.68% | −0.241 | −0.156 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 27.95% | −0.614 | +0.252 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,362 bp | 27.97% | −0.381 | +0.195 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,704 bp | 28.05% | −0.410 | +0.225 | |||||
| ND6NADH dehydrogenase subunit 6 | 513 bp | 25.73% | −0.576 | +0.270 | |||||
| CYTBCytochrome b | 1,138 bp | 30.14% | −0.289 | +0.296 | |||||
| 12S rRNA12S ribosomal RNA | 984 bp | 24.70% | −0.383 | +0.069 | |||||
| 16S rRNA16S ribosomal RNA | 1,266 bp | 23.86% | −0.391 | +0.035 |
Codon usage
Counts per codon, darker is more frequent3,683 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F8.3%
UUU269
UUC37
Leu L15.8%
UUA371
UUG90
CUU43
CUC10
CUA58
CUG10
Ile I9.3%
AUU292
AUC52
Met M7.1%
AUA212
AUG49
Val V6.4%
GUU109
GUC9
GUA76
GUG41
Ser S9.7%
UCU81
UCC24
UCA81
UCG10
AGU65
AGC11
AGA38
AGG47
Pro P3.3%
CCU82
CCC15
CCA16
CCG7
Thr T4.3%
ACU79
ACC22
ACA53
ACG4
Ala A3.8%
GCU65
GCC25
GCA34
GCG16
Tyr Y4.3%
UAU129
UAC28
His H2.2%
CAU58
CAC23
Gln Q1.5%
CAA48
CAG9
Asn N4.8%
AAU142
AAC33
Lys K2.7%
AAA91
AAG10
Asp D1.8%
GAU46
GAC19
Glu E2.3%
GAA47
GAG38
Cys C1.7%
UGU57
UGC7
Trp W2.8%
UGA67
UGG35
Arg R1.4%
CGU18
CGC4
CGA25
CGG6
Gly G6.2%
GGU108
GGC30
GGA20
GGG72
Stop 0.3%
UAA7
UAG3
Genome map
37 annotated features in NC_007895.1Hover, 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 (27.3%, 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 | + | 33.9% |
| tRNA-Lys | Transfer RNA | 785 | 851 | 67 bp | + | – |
| tRNA-Ala | Transfer RNA | 850 | 915 | 66 bp | + | – |
| tRNA-Arg | Transfer RNA | 915 | 981 | 67 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 983 | 1,048 | 66 bp | + | – |
| ND2 | Protein-coding gene | 1,049 | 1,949 | 901 bp | + | 23.0% |
| COX1 | Protein-coding gene | 2,058 | 3,590 | 1,533 bp | + | 33.4% |
| COX2 | Protein-coding gene | 3,593 | 4,276 | 684 bp | + | 30.6% |
| ATP8 | Protein-coding gene | 4,334 | 4,489 | 156 bp | + | 18.0% |
| ATP6 | Protein-coding gene | 4,491 | 5,183 | 693 bp | + | 26.0% |
| tRNA-Phe | Transfer RNA | 5,210 | 5,273 | 64 bp | − | – |
| ND1 | Protein-coding gene | 5,275 | 6,213 | 939 bp | − | 30.0% |
| tRNA-Leu (UUR) | Transfer RNA | 6,214 | 6,283 | 70 bp | − | – |
| tRNA-Leu (CUN) | Transfer RNA | 6,285 | 6,351 | 67 bp | − | – |
| 16S rRNA | Ribosomal RNA | 6,352 | 7,617 | 1,266 bp | − | 23.9% |
| tRNA-Val | Transfer RNA | 7,618 | 7,684 | 67 bp | − | – |
| 12S rRNA | Ribosomal RNA | 7,685 | 8,668 | 984 bp | − | 24.7% |
| tRNA-Cys | Transfer RNA | 8,669 | 8,733 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 8,735 | 8,792 | 58 bp | − | – |
| tRNA-Gln | Transfer RNA | 8,801 | 8,866 | 66 bp | − | – |
| tRNA-Gly | Transfer RNA | 8,883 | 8,944 | 62 bp | − | – |
| tRNA-Asn | Transfer RNA | 9,536 | 9,603 | 68 bp | + | – |
| tRNA-Ile | Transfer RNA | 9,606 | 9,671 | 66 bp | + | – |
| ND3 | Protein-coding gene | 9,672 | 10,023 | 352 bp | + | 30.7% |
| tRNA-Asp | Transfer RNA | 10,024 | 10,089 | 66 bp | + | – |
| ND5 | Protein-coding gene | 10,127 | 11,830 | 1,704 bp | − | 28.1% |
| tRNA-His | Transfer RNA | 11,831 | 11,896 | 66 bp | − | – |
| ND4 | Protein-coding gene | 11,896 | 13,257 | 1,362 bp | − | 28.0% |
| ND4L | Protein-coding gene | 13,254 | 13,550 | 297 bp | − | 28.0% |
| tRNA-Thr | Transfer RNA | 13,556 | 13,622 | 67 bp | + | – |
| tRNA-Ser (UCN) | Transfer RNA | 13,623 | 13,688 | 66 bp | − | – |
| CYTB | Protein-coding gene | 13,689 | 14,826 | 1,138 bp | − | 30.1% |
| ND6 | Protein-coding gene | 14,819 | 15,331 | 513 bp | − | 25.7% |
| tRNA-Pro | Transfer RNA | 15,333 | 15,399 | 67 bp | − | – |
| tRNA-Met | Transfer RNA | 15,400 | 15,468 | 69 bp | − | – |
| tRNA-Trp | Transfer RNA | 15,471 | 15,536 | 66 bp | − | – |
| tRNA-Glu | Transfer RNA | 15,539 | 15,605 | 67 bp | − | – |