Aplysia californica
California seahare
GC content
33.63%
Whole genome
Non-coding
177 bp
Including the D-loop
Where California seahare sits among 2,335 species
Whole-genome GC content against maximum lifespan. California seahare has the 2,328th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome14,117 bp
- GC skew (G − C) / (G + C)
- +0.085
- AT skew (A − T) / (A + T)
- −0.137
Life history
- Maximum lifespan
- 7.2 months
- Female sexual maturity
- 193 days
- Male sexual maturity
- 193 days
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 04655)
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in captivity
- Data quality
- acceptable, small sample
- Licence
- Free to use, subject to the Human Ageing Genomic Resources conditions of use
- Status
- New in build 2
- In the database since
- build 2 (2026-11-13)
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome14,117 bp
Protein-coding10,786 bp
12S rRNA725 bp
16S rRNA1,026 bp
All tRNA1,412 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 888 bp | 33.11% | +0.190 | −0.327 | |||||
| ND2NADH dehydrogenase subunit 2 | 939 bp | 34.19% | +0.159 | −0.291 | |||||
| COX1Cytochrome c oxidase subunit I | 1,522 bp | 34.82% | +0.079 | −0.258 | |||||
| COX2Cytochrome c oxidase subunit II | 684 bp | 33.48% | +0.109 | −0.077 | |||||
| ATP8ATP synthase F0 subunit 8 | 153 bp | 28.76% | 0.000 | +0.009 | |||||
| ATP6ATP synthase F0 subunit 6 | 666 bp | 31.68% | −0.014 | +0.152 | |||||
| COX3Cytochrome c oxidase subunit III | 778 bp | 35.73% | −0.022 | +0.156 | |||||
| ND3NADH dehydrogenase subunit 3 | 355 bp | 30.42% | 0.000 | +0.279 | |||||
| ND4LNADH dehydrogenase subunit 4L | 330 bp | 32.42% | +0.065 | −0.283 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,302 bp | 31.41% | +0.105 | −0.250 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,650 bp | 33.52% | +0.143 | −0.220 | |||||
| ND6NADH dehydrogenase subunit 6 | 465 bp | 31.61% | +0.170 | −0.314 | |||||
| CYTBCytochrome b | 1,099 bp | 33.85% | +0.022 | −0.274 | |||||
| 12S rRNA12S ribosomal RNA | 725 bp | 34.62% | −0.084 | −0.127 | |||||
| 16S rRNA16S ribosomal RNA | 1,026 bp | 32.36% | +0.151 | +0.006 |
Codon usage
Counts per codon, darker is more frequent3,609 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F8.6%
UUU233
UUC78
Leu L16.2%
UUA298
UUG74
CUU120
CUC14
CUA64
CUG15
Ile I6.5%
AUU202
AUC33
Met M4.8%
AUA113
AUG60
Val V8.3%
GUU129
GUC15
GUA107
GUG47
Ser S11.0%
UCU145
UCC24
UCA42
UCG14
AGU71
AGC16
AGA61
AGG25
Pro P3.9%
CCU95
CCC10
CCA32
CCG5
Thr T4.7%
ACU100
ACC15
ACA43
ACG11
Ala A6.3%
GCU152
GCC28
GCA35
GCG11
Tyr Y3.6%
UAU95
UAC34
His H2.1%
CAU55
CAC19
Gln Q1.6%
CAA39
CAG20
Asn N2.9%
AAU90
AAC16
Lys K2.4%
AAA69
AAG16
Asp D1.8%
GAU55
GAC11
Glu E2.4%
GAA53
GAG35
Cys C1.3%
UGU43
UGC4
Trp W2.6%
UGA74
UGG19
Arg R1.5%
CGU17
CGC0
CGA29
CGG7
Gly G7.3%
GGU74
GGC9
GGA137
GGG43
Stop 0.2%
UAA7
UAG2
Genome map
37 annotated features in NC_005827.1Hover, 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 (33.6%, 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 |
|---|---|---|---|---|---|---|
| tRNA-Lys | Transfer RNA | 1 | 68 | 68 bp | + | – |
| COX1 | Protein-coding gene | 62 | 1,583 | 1,522 bp | + | 34.8% |
| tRNA-Val | Transfer RNA | 1,584 | 1,649 | 66 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,650 | 2,675 | 1,026 bp | + | 32.4% |
| tRNA-Leu (CUN) | Transfer RNA | 2,676 | 2,741 | 66 bp | + | – |
| tRNA-Ala | Transfer RNA | 2,754 | 2,818 | 65 bp | + | – |
| tRNA-Pro | Transfer RNA | 2,822 | 2,882 | 61 bp | + | – |
| ND6 | Protein-coding gene | 2,884 | 3,348 | 465 bp | + | 31.6% |
| ND5 | Protein-coding gene | 3,371 | 5,020 | 1,650 bp | + | 33.5% |
| ND1 | Protein-coding gene | 4,998 | 5,885 | 888 bp | + | 33.1% |
| tRNA-Tyr | Transfer RNA | 5,905 | 5,969 | 65 bp | + | – |
| tRNA-Trp | Transfer RNA | 5,964 | 6,029 | 66 bp | + | – |
| ND4L | Protein-coding gene | 6,033 | 6,362 | 330 bp | + | 32.4% |
| CYTB | Protein-coding gene | 6,341 | 7,439 | 1,099 bp | + | 33.9% |
| tRNA-Asp | Transfer RNA | 7,440 | 7,506 | 67 bp | + | – |
| tRNA-Phe | Transfer RNA | 7,507 | 7,572 | 66 bp | + | – |
| COX2 | Protein-coding gene | 7,573 | 8,256 | 684 bp | + | 33.5% |
| tRNA-Gly | Transfer RNA | 8,259 | 8,321 | 63 bp | + | – |
| tRNA-His | Transfer RNA | 8,325 | 8,390 | 66 bp | + | – |
| tRNA-Gln | Transfer RNA | 8,404 | 8,464 | 61 bp | − | – |
| tRNA-Leu (UUR) | Transfer RNA | 8,464 | 8,527 | 64 bp | − | – |
| ATP8 | Protein-coding gene | 8,531 | 8,683 | 153 bp | − | 28.8% |
| tRNA-Asn | Transfer RNA | 8,687 | 8,753 | 67 bp | − | – |
| tRNA-Cys | Transfer RNA | 8,757 | 8,820 | 64 bp | + | – |
| ATP6 | Protein-coding gene | 8,819 | 9,484 | 666 bp | − | 31.7% |
| tRNA-Arg | Transfer RNA | 9,486 | 9,552 | 67 bp | − | – |
| tRNA-Glu | Transfer RNA | 9,553 | 9,619 | 67 bp | − | – |
| 12S rRNA | Ribosomal RNA | 9,620 | 10,344 | 725 bp | − | 34.6% |
| tRNA-Met | Transfer RNA | 10,345 | 10,408 | 64 bp | − | – |
| ND3 | Protein-coding gene | 10,409 | 10,763 | 355 bp | − | 30.4% |
| tRNA-Ser (UCN) | Transfer RNA | 10,773 | 10,829 | 57 bp | − | – |
| tRNA-Ser (AGY) | Transfer RNA | 10,832 | 10,890 | 59 bp | + | – |
| ND4 | Protein-coding gene | 10,900 | 12,201 | 1,302 bp | + | 31.4% |
| tRNA-Thr | Transfer RNA | 12,209 | 12,273 | 65 bp | − | – |
| COX3 | Protein-coding gene | 12,274 | 13,051 | 778 bp | − | 35.7% |
| tRNA-Ile | Transfer RNA | 13,101 | 13,165 | 65 bp | + | – |
| ND2 | Protein-coding gene | 13,166 | 14,104 | 939 bp | + | 34.2% |