MitoAge

Pteronura brasiliensis

Giant otter

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Maximum lifespan
17.3 yr
AnAge record
mtDNA size
16,395 bp
RefSeq NC_071787.1
GC content
39.52%
Whole genome
Non-coding
1,007 bp
D-loop 1,011 bp

Where Giant otter sits among 2,335 species

Whole-genome GC content against maximum lifespan. Giant otter has the 1,084th longest lifespan of them.

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

Base composition

Whole genome16,395 bp
GC skew (G − C) / (G + C)
−0.275
AT skew (A − T) / (A + T)
+0.074

Life history

Maximum lifespan
17.3 years
Adult weight
24 kg
Birth weight
204.3 g
Female sexual maturity
2 years
Gestation or incubation
68 days
Litter or clutch size
1.5
Litters per year
1

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 02203)

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 RefSeq
Whole genome16,395 bp
Protein-coding11,347 bp
12S rRNA964 bp
16S rRNA1,569 bp
All tRNA1,512 bp
D-loop1,011 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1956 bp30.6%27.4%12.9%29.1%41.95%−0.387+0.056
ND2NADH dehydrogenase subunit 21,042 bp36.2%27.4%10.1%26.4%36.47%−0.447+0.139
COX1Cytochrome c oxidase subunit I1,545 bp28.0%31.3%17.8%22.9%40.71%−0.126−0.055
COX2Cytochrome c oxidase subunit II684 bp32.5%27.9%13.7%25.9%39.62%−0.306+0.075
ATP8ATP synthase F0 subunit 8204 bp35.8%30.4%10.8%23.0%33.82%−0.362+0.081
ATP6ATP synthase F0 subunit 6681 bp30.1%31.3%11.0%27.6%38.62%−0.430−0.019
COX3Cytochrome c oxidase subunit III785 bp27.1%29.6%16.2%27.1%43.31%−0.253−0.043
ND3NADH dehydrogenase subunit 3348 bp30.5%29.0%14.1%26.4%40.52%−0.305+0.024
ND4LNADH dehydrogenase subunit 4L297 bp28.6%31.0%14.5%25.9%40.40%−0.283−0.040
ND4NADH dehydrogenase subunit 41,378 bp31.6%29.0%12.7%26.7%39.41%−0.355+0.044
ND5NADH dehydrogenase subunit 51,821 bp32.7%28.7%11.9%26.7%38.66%−0.384+0.065
ND6NADH dehydrogenase subunit 6534 bp40.6%20.6%10.3%28.5%38.76%−0.469+0.327
CYTBCytochrome b1,140 bp30.4%29.4%12.6%27.5%40.18%−0.371+0.018
12S rRNA12S ribosomal RNA964 bp36.7%23.7%18.3%21.4%39.63%−0.079+0.216
16S rRNA16S ribosomal RNA1,569 bp35.8%24.2%18.1%21.9%39.99%−0.094+0.192
D-loopControl region (D-loop)1,011 bp29.7%27.9%15.5%26.8%42.38%−0.266+0.031

Codon usage

Counts per codon, darker is more frequent

3,803 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.2%
UUU89
UUC146
Leu L15.7%
UUA129
UUG21
CUU70
CUC72
CUA244
CUG60
Ile I8.6%
AUU173
AUC154
Met M6.8%
AUA207
AUG51
Val V5.3%
GUU38
GUC36
GUA106
GUG20
Ser S7.3%
UCU38
UCC75
UCA101
UCG12
AGU21
AGC31
Pro P5.2%
CCU61
CCC52
CCA77
CCG6
Thr T8.0%
ACU80
ACC79
ACA120
ACG27
Ala A6.6%
GCU61
GCC86
GCA90
GCG15
Tyr Y3.4%
UAU55
UAC73
His H2.5%
CAU41
CAC55
Gln Q2.3%
CAA76
CAG11
Asn N4.1%
AAU69
AAC88
Lys K2.6%
AAA91
AAG9
Asp D1.9%
GAU38
GAC33
Glu E2.5%
GAA78
GAG18
Cys C0.7%
UGU12
UGC14
Trp W2.7%
UGA94
UGG10
Arg R1.7%
CGU10
CGC11
CGA35
CGG9
Gly G5.7%
GGU41
GGC50
GGA92
GGG33
Stop 0.2%
UAA8
UAG0
AGA1
AGG0

Genome map

38 annotated features in NC_071787.1

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 (39.5%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA16969 bp+–
12S rRNARibosomal RNA701,033964 bp+39.6%
tRNA-ValTransfer RNA1,0341,10168 bp+–
16S rRNARibosomal RNA1,1022,6701,569 bp+40.0%
tRNA-Leu (UUR)Transfer RNA2,6712,74575 bp+–
ND1Protein-coding gene2,7483,703956 bp+42.0%
tRNA-IleTransfer RNA3,7043,77269 bp+–
tRNA-GlnTransfer RNA3,7703,84374 bp−–
tRNA-MetTransfer RNA3,8453,91369 bp+–
ND2Protein-coding gene3,9144,9551,042 bp+36.5%
tRNA-TrpTransfer RNA4,9565,02368 bp+–
tRNA-AlaTransfer RNA5,0335,10169 bp−–
tRNA-AsnTransfer RNA5,1035,17573 bp−–
tRNA-CysTransfer RNA5,2095,27567 bp−–
tRNA-TyrTransfer RNA5,2765,34368 bp−–
COX1Protein-coding gene5,3456,8891,545 bp+40.7%
tRNA-Ser (UCN)Transfer RNA6,8876,95569 bp−–
tRNA-AspTransfer RNA6,9627,02867 bp+–
COX2Protein-coding gene7,0297,712684 bp+39.6%
tRNA-LysTransfer RNA7,7167,78368 bp+–
ATP8Protein-coding gene7,7857,988204 bp+33.8%
ATP6Protein-coding gene7,9468,626681 bp+38.6%
COX3Protein-coding gene8,6269,410785 bp+43.3%
tRNA-GlyTransfer RNA9,4109,47970 bp+–
ND3Protein-coding gene9,4809,827348 bp+40.5%
tRNA-ArgTransfer RNA9,8289,89568 bp+–
ND4LProtein-coding gene9,89610,192297 bp+40.4%
ND4Protein-coding gene10,18611,5631,378 bp+39.4%
tRNA-HisTransfer RNA11,56411,63269 bp+–
tRNA-Ser (AGY)Transfer RNA11,63311,69462 bp+–
tRNA-Leu (CUN)Transfer RNA11,69511,76470 bp+–
ND5Protein-coding gene11,76513,5851,821 bp+38.7%
ND6Protein-coding gene13,56914,102534 bp−38.8%
tRNA-GluTransfer RNA14,10314,17169 bp−–
CYTBProtein-coding gene14,17615,3151,140 bp+40.2%
tRNA-ThrTransfer RNA15,31615,38368 bp+–
tRNA-ProTransfer RNA15,38415,44966 bp−–
D-loopControl region15,38516,3951,011 bp–42.4%

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