Otaria flavescens
Southern sea lion
GC content
41.23%
Whole genome
Non-coding
1,244 bp
D-loop 1,186 bp
Where Southern sea lion sits among 2,335 species
Whole-genome GC content against maximum lifespan. Southern sea lion has the 491st longest lifespan of them.
- This species
- Other mammals
- Other classes
Base composition
Whole genome16,643 bp
- GC skew (G − C) / (G + C)
- −0.310
- AT skew (A − T) / (A + T)
- +0.126
Life history
- Maximum lifespan
- 29 years
- Adult weight
- 207.5 kg
- Birth weight
- 12.5 kg
- Female sexual maturity
- 4 years
- Male sexual maturity
- 6 years
- Gestation or incubation
- 357 days
- Litter or clutch size
- 1
- Litters per year
- 1
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 02217)
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 genome16,643 bp
Protein-coding11,346 bp
12S rRNA961 bp
16S rRNA1,578 bp
All tRNA1,518 bp
D-loop1,186 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 956 bp | 44.14% | −0.389 | +0.075 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,042 bp | 36.47% | −0.453 | +0.148 | |||||
| COX1Cytochrome c oxidase subunit I | 1,545 bp | 43.43% | −0.180 | −0.034 | |||||
| COX2Cytochrome c oxidase subunit II | 685 bp | 40.58% | −0.273 | +0.106 | |||||
| ATP8ATP synthase F0 subunit 8 | 204 bp | 33.33% | −0.559 | +0.221 | |||||
| ATP6ATP synthase F0 subunit 6 | 681 bp | 41.41% | −0.418 | +0.023 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 45.92% | −0.328 | +0.019 | |||||
| ND3NADH dehydrogenase subunit 3 | 347 bp | 43.52% | −0.417 | +0.082 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 40.40% | −0.333 | −0.028 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 39.33% | −0.428 | +0.084 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,827 bp | 41.38% | −0.444 | +0.152 | |||||
| ND6NADH dehydrogenase subunit 6 | 528 bp | 40.34% | −0.427 | +0.397 | |||||
| CYTBCytochrome b | 1,140 bp | 43.86% | −0.364 | +0.094 | |||||
| 12S rRNA12S ribosomal RNA | 961 bp | 41.31% | −0.164 | +0.252 | |||||
| 16S rRNA16S ribosomal RNA | 1,578 bp | 38.53% | −0.105 | +0.245 | |||||
| D-loopControl region (D-loop) | 1,186 bp | 44.01% | −0.318 | +0.148 |
Codon usage
Counts per codon, darker is more frequent3,802 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.9%
UUU82
UUC142
Leu L16.0%
UUA98
UUG22
CUU69
CUC83
CUA290
CUG47
Ile I8.4%
AUU129
AUC192
Met M6.7%
AUA204
AUG50
Val V4.8%
GUU28
GUC31
GUA94
GUG28
Ser S7.6%
UCU49
UCC58
UCA104
UCG18
AGU18
AGC41
Pro P5.2%
CCU42
CCC74
CCA75
CCG8
Thr T8.7%
ACU54
ACC116
ACA139
ACG22
Ala A6.6%
GCU42
GCC106
GCA81
GCG22
Tyr Y3.4%
UAU58
UAC71
His H2.7%
CAU31
CAC71
Gln Q2.3%
CAA72
CAG14
Asn N3.8%
AAU46
AAC99
Lys K2.6%
AAA91
AAG9
Asp D1.8%
GAU26
GAC44
Glu E2.5%
GAA72
GAG24
Cys C0.6%
UGU6
UGC16
Trp W2.7%
UGA95
UGG8
Arg R1.7%
CGU6
CGC10
CGA45
CGG3
Gly G5.8%
GGU33
GGC52
GGA111
GGG24
Stop 0.2%
UAA5
UAG1
AGA1
AGG0
Genome map
38 annotated features in NC_049152.1Hover, 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 (41.2%, 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 | 72 | 72 bp | + | – |
| 12S rRNA | Ribosomal RNA | 73 | 1,033 | 961 bp | + | 41.3% |
| tRNA-Val | Transfer RNA | 1,034 | 1,100 | 67 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,100 | 2,677 | 1,578 bp | + | 38.5% |
| tRNA-Leu (UUR) | Transfer RNA | 2,678 | 2,753 | 76 bp | + | – |
| ND1 | Protein-coding gene | 2,756 | 3,711 | 956 bp | + | 44.1% |
| tRNA-Ile | Transfer RNA | 3,712 | 3,781 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,779 | 3,852 | 74 bp | − | – |
| tRNA-Met | Transfer RNA | 3,854 | 3,922 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,923 | 4,964 | 1,042 bp | + | 36.5% |
| tRNA-Trp | Transfer RNA | 4,965 | 5,032 | 68 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,043 | 5,111 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,113 | 5,185 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,218 | 5,284 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,285 | 5,352 | 68 bp | − | – |
| COX1 | Protein-coding gene | 5,354 | 6,898 | 1,545 bp | + | 43.4% |
| tRNA-Ser (UCN) | Transfer RNA | 6,896 | 6,964 | 69 bp | − | – |
| tRNA-Asp | Transfer RNA | 6,971 | 7,037 | 67 bp | + | – |
| COX2 | Protein-coding gene | 7,038 | 7,722 | 685 bp | + | 40.6% |
| tRNA-Lys | Transfer RNA | 7,723 | 7,791 | 69 bp | + | – |
| ATP8 | Protein-coding gene | 7,793 | 7,996 | 204 bp | + | 33.3% |
| ATP6 | Protein-coding gene | 7,954 | 8,634 | 681 bp | + | 41.4% |
| COX3 | Protein-coding gene | 8,634 | 9,417 | 784 bp | + | 45.9% |
| tRNA-Gly | Transfer RNA | 9,418 | 9,487 | 70 bp | + | – |
| ND3 | Protein-coding gene | 9,488 | 9,834 | 347 bp | + | 43.5% |
| tRNA-Arg | Transfer RNA | 9,835 | 9,903 | 69 bp | + | – |
| ND4L | Protein-coding gene | 9,904 | 10,200 | 297 bp | + | 40.4% |
| ND4 | Protein-coding gene | 10,194 | 11,571 | 1,378 bp | + | 39.3% |
| tRNA-His | Transfer RNA | 11,572 | 11,640 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,641 | 11,699 | 59 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,700 | 11,769 | 70 bp | + | – |
| ND5 | Protein-coding gene | 11,770 | 13,596 | 1,827 bp | + | 41.4% |
| ND6 | Protein-coding gene | 13,580 | 14,107 | 528 bp | − | 40.3% |
| tRNA-Glu | Transfer RNA | 14,108 | 14,176 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,181 | 15,320 | 1,140 bp | + | 43.9% |
| tRNA-Thr | Transfer RNA | 15,321 | 15,392 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,392 | 15,457 | 66 bp | − | – |
| D-loop | Control region | 15,458 | 16,643 | 1,186 bp | – | 44.0% |