MitoAge

Eumetopias jubatus

Steller sea lion

Add to compare Download FASTA
Maximum lifespan
32.8 yr
AnAge record
mtDNA size
16,638 bp
RefSeq NC_004030.2
GC content
40.79%
Whole genome
Non-coding
1,238 bp
D-loop 1,178 bp

Where Steller sea lion sits among 2,335 species

Whole-genome GC content against maximum lifespan. Steller sea lion has the 376th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Steller sea lion
  • This species
  • Other mammals
  • Other classes
Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,638 bp
GC skew (G − C) / (G + C)
−0.329
AT skew (A − T) / (A + T)
+0.134

Life history

Maximum lifespan
32.8 years
Adult weight
415 kg
Birth weight
19 kg
Female sexual maturity
4.9 years
Male sexual maturity
6.6 years
Gestation or incubation
274 days
Litter or clutch size
1
Litters per year
1

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 02215)

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
Updated in build 2
In the database since
build 1 (2015-07-01)
Last changed
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 RefSeq
Whole genome16,638 bp
Protein-coding11,347 bp
12S rRNA963 bp
16S rRNA1,575 bp
All tRNA1,522 bp
D-loop1,178 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1957 bp32.0%25.4%12.0%30.6%42.63%−0.436+0.115
ND2NADH dehydrogenase subunit 21,044 bp37.3%25.6%9.3%27.9%37.17%−0.500+0.186
COX1Cytochrome c oxidase subunit I1,545 bp28.3%29.4%16.8%25.5%42.33%−0.205−0.019
COX2Cytochrome c oxidase subunit II684 bp33.8%27.9%13.6%24.7%38.30%−0.290+0.095
ATP8ATP synthase F0 subunit 8204 bp39.7%25.0%7.4%27.9%35.29%−0.583+0.227
ATP6ATP synthase F0 subunit 6681 bp31.1%27.2%10.6%31.1%41.70%−0.493+0.068
COX3Cytochrome c oxidase subunit III784 bp28.4%26.7%14.3%30.6%44.90%−0.364+0.032
ND3NADH dehydrogenase subunit 3346 bp31.5%26.9%11.8%29.8%41.62%−0.431+0.079
ND4LNADH dehydrogenase subunit 4L297 bp29.0%30.3%13.1%27.6%40.74%−0.355−0.023
ND4NADH dehydrogenase subunit 41,378 bp33.5%26.9%10.9%28.7%39.62%−0.451+0.111
ND5NADH dehydrogenase subunit 51,827 bp33.6%25.7%11.6%29.1%40.72%−0.430+0.132
ND6NADH dehydrogenase subunit 6528 bp43.8%17.2%9.7%29.4%39.02%−0.505+0.435
CYTBCytochrome b1,140 bp30.8%26.0%13.1%30.2%43.25%−0.396+0.085
12S rRNA12S ribosomal RNA963 bp36.8%21.5%17.4%24.3%41.75%−0.164+0.262
16S rRNA16S ribosomal RNA1,575 bp38.6%23.2%17.1%21.1%38.22%−0.106+0.250
D-loopControl region (D-loop)1,178 bp31.7%24.9%15.2%28.3%43.46%−0.301+0.120

Codon usage

Counts per codon, darker is more frequent

3,804 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.9%
UUU85
UUC139
Leu L15.9%
UUA98
UUG13
CUU62
CUC87
CUA299
CUG46
Ile I8.7%
AUU129
AUC203
Met M6.7%
AUA212
AUG44
Val V4.6%
GUU27
GUC32
GUA103
GUG13
Ser S7.5%
UCU49
UCC63
UCA111
UCG9
AGU15
AGC38
Pro P5.3%
CCU36
CCC81
CCA76
CCG7
Thr T8.5%
ACU51
ACC111
ACA141
ACG19
Ala A6.7%
GCU45
GCC104
GCA92
GCG12
Tyr Y3.4%
UAU62
UAC69
His H2.6%
CAU29
CAC69
Gln Q2.3%
CAA76
CAG10
Asn N4.1%
AAU60
AAC95
Lys K2.6%
AAA91
AAG8
Asp D1.7%
GAU25
GAC41
Glu E2.5%
GAA79
GAG17
Cys C0.6%
UGU6
UGC18
Trp W2.7%
UGA93
UGG11
Arg R1.7%
CGU5
CGC12
CGA42
CGG6
Gly G5.7%
GGU34
GGC52
GGA112
GGG20
Stop 0.3%
UAA7
UAG2
AGA1
AGG0

Genome map

38 annotated features in NC_004030.2

Hover, 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 (40.8%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17272 bp+–
12S rRNARibosomal RNA731,035963 bp+41.8%
tRNA-ValTransfer RNA1,0361,10368 bp+–
16S rRNARibosomal RNA1,1042,6781,575 bp+38.2%
tRNA-Leu (UUR)Transfer RNA2,6792,75476 bp+–
ND1Protein-coding gene2,7573,713957 bp+42.6%
tRNA-IleTransfer RNA3,7133,78270 bp+–
tRNA-GlnTransfer RNA3,7803,85374 bp−–
tRNA-MetTransfer RNA3,8553,92369 bp+–
ND2Protein-coding gene3,9244,9671,044 bp+37.2%
tRNA-TrpTransfer RNA4,9665,03368 bp+–
tRNA-AlaTransfer RNA5,0445,11269 bp−–
tRNA-AsnTransfer RNA5,1145,18673 bp−–
tRNA-CysTransfer RNA5,2205,28566 bp−–
tRNA-TyrTransfer RNA5,2865,35368 bp−–
COX1Protein-coding gene5,3556,8991,545 bp+42.3%
tRNA-Ser (UCN)Transfer RNA6,8976,96569 bp−–
tRNA-AspTransfer RNA6,9727,03867 bp+–
COX2Protein-coding gene7,0397,722684 bp+38.3%
tRNA-LysTransfer RNA7,7227,79271 bp+–
ATP8Protein-coding gene7,7947,997204 bp+35.3%
ATP6Protein-coding gene7,9558,635681 bp+41.7%
COX3Protein-coding gene8,6359,418784 bp+44.9%
tRNA-GlyTransfer RNA9,4199,49072 bp+–
ND3Protein-coding gene9,4919,836346 bp+41.6%
tRNA-ArgTransfer RNA9,8389,90669 bp+–
ND4LProtein-coding gene9,90710,203297 bp+40.7%
ND4Protein-coding gene10,19711,5741,378 bp+39.6%
tRNA-HisTransfer RNA11,57511,64369 bp+–
tRNA-Ser (AGY)Transfer RNA11,64411,70259 bp+–
tRNA-Leu (CUN)Transfer RNA11,70311,77270 bp+–
ND5Protein-coding gene11,77313,5991,827 bp+40.7%
ND6Protein-coding gene13,58314,110528 bp−39.0%
tRNA-GluTransfer RNA14,11114,17969 bp−–
CYTBProtein-coding gene14,18415,3231,140 bp+43.3%
tRNA-ThrTransfer RNA15,32415,39572 bp+–
tRNA-ProTransfer RNA15,39515,46066 bp−–
D-loopControl region15,46116,6381,178 bp–43.5%

Downloads