Eledone cirrhosa
Horned octopus
GC content
23.19%
Whole genome
Non-coding
1,330 bp
Including the D-loop
Where Horned octopus sits among 2,335 species
Whole-genome GC content against maximum lifespan. Horned octopus has the 2,270th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome16,135 bp
- GC skew (G − C) / (G + C)
- −0.360
- AT skew (A − T) / (A + T)
- +0.081
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 genome16,135 bp
Protein-coding11,132 bp
12S rRNA864 bp
16S rRNA1,340 bp
All tRNA1,493 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 942 bp | 26.33% | −0.468 | +0.262 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,011 bp | 18.79% | −0.474 | −0.018 | |||||
| COX1Cytochrome c oxidase subunit I | 1,533 bp | 31.51% | −0.151 | −0.061 | |||||
| COX2Cytochrome c oxidase subunit II | 687 bp | 27.80% | −0.277 | +0.036 | |||||
| ATP8ATP synthase F0 subunit 8 | 156 bp | 16.03% | −0.520 | +0.115 | |||||
| ATP6ATP synthase F0 subunit 6 | 702 bp | 26.21% | −0.380 | −0.154 | |||||
| COX3Cytochrome c oxidase subunit III | 780 bp | 30.77% | −0.183 | −0.148 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 23.65% | −0.373 | −0.119 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 22.56% | −0.672 | +0.183 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,341 bp | 21.63% | −0.510 | +0.184 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,691 bp | 20.70% | −0.463 | +0.180 | |||||
| ND6NADH dehydrogenase subunit 6 | 506 bp | 18.97% | −0.646 | +0.254 | |||||
| CYTBCytochrome b | 1,140 bp | 26.40% | −0.316 | +0.263 | |||||
| 12S rRNA12S ribosomal RNA | 864 bp | 21.41% | −0.384 | +0.105 | |||||
| 16S rRNA16S ribosomal RNA | 1,340 bp | 22.16% | −0.455 | +0.014 |
Codon usage
Counts per codon, darker is more frequent3,711 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F9.1%
UUU300
UUC37
Leu L15.0%
UUA396
UUG53
CUU41
CUC13
CUA53
CUG2
Ile I9.4%
AUU300
AUC48
Met M8.9%
AUA295
AUG35
Val V5.6%
GUU96
GUC5
GUA89
GUG16
Ser S9.9%
UCU110
UCC21
UCA95
UCG6
AGU37
AGC1
AGA80
AGG17
Pro P3.2%
CCU73
CCC13
CCA31
CCG3
Thr T3.5%
ACU52
ACC19
ACA55
ACG4
Ala A3.1%
GCU53
GCC14
GCA43
GCG6
Tyr Y5.0%
UAU173
UAC13
His H2.1%
CAU63
CAC14
Gln Q1.5%
CAA49
CAG5
Asn N5.0%
AAU160
AAC26
Lys K2.6%
AAA90
AAG8
Asp D1.9%
GAU62
GAC8
Glu E2.2%
GAA64
GAG18
Cys C1.5%
UGU54
UGC2
Trp W2.6%
UGA90
UGG8
Arg R1.4%
CGU19
CGC1
CGA28
CGG3
Gly G6.2%
GGU62
GGC3
GGA124
GGG41
Stop 0.3%
UAA9
UAG2
Genome map
37 annotated features in NC_069997.1Hover, 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 (23.2%, 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 |
|---|---|---|---|---|---|---|
| COX1 | Protein-coding gene | 1 | 1,533 | 1,533 bp | + | 31.5% |
| COX2 | Protein-coding gene | 1,542 | 2,228 | 687 bp | + | 27.8% |
| tRNA-Asp | Transfer RNA | 2,235 | 2,306 | 72 bp | + | – |
| ATP8 | Protein-coding gene | 2,308 | 2,463 | 156 bp | + | 16.0% |
| ATP6 | Protein-coding gene | 2,468 | 3,169 | 702 bp | + | 26.2% |
| tRNA-Phe | Transfer RNA | 3,202 | 3,268 | 67 bp | − | – |
| ND5 | Protein-coding gene | 3,268 | 4,958 | 1,691 bp | − | 20.7% |
| tRNA-His | Transfer RNA | 4,959 | 5,022 | 64 bp | − | – |
| ND4 | Protein-coding gene | 5,023 | 6,363 | 1,341 bp | − | 21.6% |
| ND4L | Protein-coding gene | 6,360 | 6,656 | 297 bp | − | 22.6% |
| tRNA-Thr | Transfer RNA | 6,661 | 6,728 | 68 bp | + | – |
| tRNA-Ser | Transfer RNA | 6,729 | 6,793 | 65 bp | − | – |
| CYTB | Protein-coding gene | 6,792 | 7,931 | 1,140 bp | − | 26.4% |
| ND6 | Protein-coding gene | 7,931 | 8,436 | 506 bp | − | 19.0% |
| tRNA-Pro | Transfer RNA | 8,438 | 8,506 | 69 bp | − | – |
| ND1 | Protein-coding gene | 8,508 | 9,449 | 942 bp | − | 26.3% |
| tRNA-Leu | Transfer RNA | 9,450 | 9,524 | 75 bp | − | – |
| tRNA-Leu | Transfer RNA | 9,525 | 9,591 | 67 bp | − | – |
| 16S rRNA | Ribosomal RNA | 9,573 | 10,912 | 1,340 bp | − | 22.2% |
| tRNA-Val | Transfer RNA | 10,933 | 11,002 | 70 bp | − | – |
| 12S rRNA | Ribosomal RNA | 11,013 | 11,876 | 864 bp | − | 21.4% |
| tRNA-Met | Transfer RNA | 11,979 | 12,046 | 68 bp | − | – |
| tRNA-Cys | Transfer RNA | 12,050 | 12,113 | 64 bp | − | – |
| tRNA-Tyr | Transfer RNA | 12,112 | 12,180 | 69 bp | − | – |
| tRNA-Trp | Transfer RNA | 12,181 | 12,248 | 68 bp | − | – |
| tRNA-Gln | Transfer RNA | 12,249 | 12,316 | 68 bp | − | – |
| tRNA-Gly | Transfer RNA | 12,318 | 12,386 | 69 bp | − | – |
| tRNA-Glu | Transfer RNA | 12,388 | 12,458 | 71 bp | − | – |
| COX3 | Protein-coding gene | 13,581 | 14,360 | 780 bp | + | 30.8% |
| tRNA-Lys | Transfer RNA | 14,369 | 14,436 | 68 bp | + | – |
| tRNA-Ala | Transfer RNA | 14,435 | 14,503 | 69 bp | + | – |
| tRNA-Arg | Transfer RNA | 14,507 | 14,571 | 65 bp | + | – |
| tRNA-Asn | Transfer RNA | 14,571 | 14,636 | 66 bp | + | – |
| tRNA-Ile | Transfer RNA | 14,638 | 14,704 | 67 bp | + | – |
| ND3 | Protein-coding gene | 14,705 | 15,055 | 351 bp | + | 23.7% |
| tRNA-Ser | Transfer RNA | 15,054 | 15,122 | 69 bp | + | – |
| ND2 | Protein-coding gene | 15,123 | 16,133 | 1,011 bp | + | 18.8% |