Maximum lifespan
18.2 yr
AnAge record (opens in a new tab)
GC content
41.90%
Whole genome
Non-coding
1,151 bp
D-loop 1,090 bp

Where European otter sits among 2,335 species

Whole-genome GC content against maximum lifespan. European otter has the 1,026th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %European otter
  • This species
  • Other mammals
  • Other classes

Base composition

Whole genome16,536 bp
GC skew (G − C) / (G + C)
−0.312
AT skew (A − T) / (A + T)
+0.111

Life history

Maximum lifespan
18.2 years
Adult weight
6.8 kg
Birth weight
110.5 g
Basal metabolic rate
25.104 W
Body temperature
38.1 °C
Female sexual maturity
548 days
Male sexual maturity
548 days
Gestation or incubation
61 days
Litter or clutch size
2
Litters per year
1

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 02180)

About this record

Lifespan source
AnAge build 15
Based on
an animal in captivity
Data quality
acceptable, medium 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 genome16,536 bp
Protein-coding11,346 bp
12S rRNA964 bp
16S rRNA1,568 bp
All tRNA1,510 bp
D-loop1,090 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Lutra lutra genes
Composition
ND1NADH dehydrogenase subunit 1956 bp30.9%25.0%13.1%31.1%44.14%−0.408+0.105
ND2NADH dehydrogenase subunit 21,042 bp35.3%24.6%10.0%30.1%40.12%−0.502+0.179
COX1Cytochrome c oxidase subunit I1,545 bp27.2%28.9%18.6%25.3%43.88%−0.153−0.029
COX2Cytochrome c oxidase subunit II684 bp31.4%25.3%15.4%27.9%43.28%−0.291+0.108
ATP8ATP synthase F0 subunit 8201 bp37.3%27.4%8.0%27.4%35.32%−0.549+0.154
ATP6ATP synthase F0 subunit 6681 bp29.8%28.9%12.2%29.1%41.26%−0.409+0.015
COX3Cytochrome c oxidase subunit III784 bp27.2%27.6%15.1%30.2%45.28%−0.335−0.007
ND3NADH dehydrogenase subunit 3348 bp32.5%27.3%12.4%27.9%40.23%−0.386+0.087
ND4LNADH dehydrogenase subunit 4L297 bp28.3%31.6%13.5%26.6%40.07%−0.328−0.056
ND4NADH dehydrogenase subunit 41,378 bp32.4%25.8%11.7%30.1%41.80%−0.441+0.112
ND5NADH dehydrogenase subunit 51,821 bp31.4%26.0%12.5%30.1%42.67%−0.413+0.094
ND6NADH dehydrogenase subunit 6534 bp41.2%18.7%10.5%29.6%40.08%−0.477+0.375
CYTBCytochrome b1,140 bp29.9%25.8%13.4%30.9%44.30%−0.394+0.074
12S rRNA12S ribosomal RNA964 bp36.9%23.1%17.9%22.0%39.94%−0.101+0.230
16S rRNA16S ribosomal RNA1,568 bp36.7%23.9%17.6%21.8%39.41%−0.107+0.213
D-loopControl region (D-loop)1,090 bp28.8%25.0%15.6%30.6%46.24%−0.325+0.072

Codon usage

Counts per codon, darker is more frequent

3,802 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.9%
UUU87
UUC138
Leu L16.3%
UUA92
UUG18
CUU62
CUC97
CUA287
CUG64
Ile I8.4%
AUU135
AUC184
Met M6.4%
AUA178
AUG65
Val V5.1%
GUU36
GUC41
GUA94
GUG22
Ser S7.2%
UCU25
UCC83
UCA96
UCG16
AGU20
AGC34
Pro P5.2%
CCU38
CCC73
CCA78
CCG9
Thr T8.6%
ACU60
ACC113
ACA123
ACG30
Ala A6.6%
GCU42
GCC110
GCA84
GCG15
Tyr Y3.5%
UAU40
UAC94
His H2.6%
CAU29
CAC68
Gln Q2.3%
CAA74
CAG13
Asn N4.0%
AAU43
AAC109
Lys K2.7%
AAA94
AAG8
Asp D1.8%
GAU25
GAC44
Glu E2.5%
GAA75
GAG20
Cys C0.6%
UGU3
UGC20
Trp W2.8%
UGA89
UGG16
Arg R1.7%
CGU6
CGC16
CGA37
CGG5
Gly G5.7%
GGU34
GGC56
GGA93
GGG33
Stop 0.2%
UAA8
UAG0
AGA1
AGG0

Genome map

38 annotated features in NC_062277.1

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 (41.9%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
Annotated features of Lutra lutra (NC_062277.1)
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA16969 bp+–
12S rRNARibosomal RNA701,033964 bp+39.9%
tRNA-ValTransfer RNA1,0341,10168 bp+–
16S rRNARibosomal RNA1,1022,6691,568 bp+39.4%
tRNA-Leu (UUR)Transfer RNA2,6702,74475 bp+–
ND1Protein-coding gene2,7473,702956 bp+44.1%
tRNA-IleTransfer RNA3,7033,77169 bp+–
tRNA-GlnTransfer RNA3,7693,84274 bp−–
tRNA-MetTransfer RNA3,8443,91269 bp+–
ND2Protein-coding gene3,9134,9541,042 bp+40.1%
tRNA-TrpTransfer RNA4,9555,02268 bp+–
tRNA-AlaTransfer RNA5,0325,10069 bp−–
tRNA-AsnTransfer RNA5,1025,17473 bp−–
tRNA-CysTransfer RNA5,2085,27467 bp−–
tRNA-TyrTransfer RNA5,2755,34268 bp−–
COX1Protein-coding gene5,3446,8881,545 bp+43.9%
tRNA-Ser (UCN)Transfer RNA6,8866,95469 bp−–
tRNA-AspTransfer RNA6,9617,02767 bp+–
COX2Protein-coding gene7,0287,711684 bp+43.3%
tRNA-LysTransfer RNA7,7157,78066 bp+–
ATP8Protein-coding gene7,7827,982201 bp+35.3%
ATP6Protein-coding gene7,9438,623681 bp+41.3%
COX3Protein-coding gene8,6239,406784 bp+45.3%
tRNA-GlyTransfer RNA9,4079,47670 bp+–
ND3Protein-coding gene9,4779,824348 bp+40.2%
tRNA-ArgTransfer RNA9,8259,89268 bp+–
ND4LProtein-coding gene9,89310,189297 bp+40.1%
ND4Protein-coding gene10,18311,5601,378 bp+41.8%
tRNA-HisTransfer RNA11,56111,62969 bp+–
tRNA-Ser (AGY)Transfer RNA11,63011,69162 bp+–
tRNA-Leu (CUN)Transfer RNA11,69211,76170 bp+–
ND5Protein-coding gene11,76213,5821,821 bp+42.7%
ND6Protein-coding gene13,56614,099534 bp−40.1%
tRNA-GluTransfer RNA14,10014,16869 bp−–
CYTBProtein-coding gene14,17315,3121,140 bp+44.3%
tRNA-ThrTransfer RNA15,31315,38068 bp+–
tRNA-ProTransfer RNA15,38015,44667 bp−–
D-loopControl region15,44716,5361,090 bp–46.2%