MitoAge

Choloepus hoffmanni

Hoffmann's two-toed sloth

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Maximum lifespan
41 yr
AnAge record
mtDNA size
16,466 bp
RefSeq NC_027964.1
GC content
42.98%
Whole genome
Non-coding
1,062 bp
D-loop 1,006 bp

Where Hoffmann's two-toed sloth sits among 2,335 species

Whole-genome GC content against maximum lifespan. Hoffmann's two-toed sloth has the 241st longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Hoffmann's two-toed sloth
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Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,466 bp
GC skew (G − C) / (G + C)
−0.389
AT skew (A − T) / (A + T)
+0.153

Life history

Maximum lifespan
41 years
Adult weight
6.3 kg
Birth weight
402 g
Basal metabolic rate
3.891 W
Body temperature
34.4 °C
Female sexual maturity
2 years
Male sexual maturity
3 years
Gestation or incubation
350 days
Litter or clutch size
1
Litters per year
0.7

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 02658)

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
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 genome16,466 bp
Protein-coding11,353 bp
12S rRNA962 bp
16S rRNA1,584 bp
All tRNA1,520 bp
D-loop1,006 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1956 bp30.4%24.4%11.1%34.1%45.19%−0.509+0.111
ND2NADH dehydrogenase subunit 21,042 bp37.8%23.3%7.7%31.2%38.87%−0.605+0.237
COX1Cytochrome c oxidase subunit I1,557 bp27.7%27.2%17.7%27.3%45.02%−0.213+0.009
COX2Cytochrome c oxidase subunit II684 bp33.5%24.9%12.9%28.8%41.67%−0.382+0.148
ATP8ATP synthase F0 subunit 8191 bp38.2%23.0%6.3%32.5%38.74%−0.676+0.248
ATP6ATP synthase F0 subunit 6681 bp31.7%25.0%10.9%32.5%43.32%−0.498+0.119
COX3Cytochrome c oxidase subunit III784 bp28.8%26.5%14.8%29.8%44.64%−0.337+0.041
ND3NADH dehydrogenase subunit 3346 bp30.3%26.0%11.3%32.4%43.64%−0.483+0.077
ND4LNADH dehydrogenase subunit 4L297 bp26.6%30.0%13.8%29.6%43.43%−0.364−0.060
ND4NADH dehydrogenase subunit 41,378 bp32.2%23.6%10.2%34.0%44.19%−0.537+0.155
ND5NADH dehydrogenase subunit 51,824 bp32.5%24.7%10.1%32.7%42.87%−0.527+0.136
ND6NADH dehydrogenase subunit 6528 bp42.6%13.8%6.1%37.5%43.56%−0.722+0.510
CYTBCytochrome b1,140 bp31.6%24.6%12.1%31.7%43.77%−0.447+0.123
12S rRNA12S ribosomal RNA962 bp36.2%19.8%16.7%27.3%44.08%−0.241+0.294
16S rRNA16S ribosomal RNA1,584 bp35.9%20.9%17.2%26.0%43.25%−0.203+0.264
D-loopControl region (D-loop)1,006 bp29.5%26.6%16.4%27.4%43.84%−0.252+0.051

Codon usage

Counts per codon, darker is more frequent

3,800 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.7%
UUU83
UUC135
Leu L16.4%
UUA73
UUG18
CUU56
CUC133
CUA304
CUG39
Ile I8.5%
AUU123
AUC201
Met M6.2%
AUA185
AUG49
Val V4.2%
GUU31
GUC19
GUA86
GUG25
Ser S7.4%
UCU27
UCC82
UCA108
UCG13
AGU11
AGC42
Pro P5.6%
CCU29
CCC73
CCA102
CCG8
Thr T9.6%
ACU47
ACC155
ACA144
ACG17
Ala A6.2%
GCU34
GCC104
GCA88
GCG8
Tyr Y3.2%
UAU39
UAC82
His H2.8%
CAU26
CAC81
Gln Q2.3%
CAA83
CAG6
Asn N4.1%
AAU22
AAC134
Lys K2.4%
AAA83
AAG10
Asp D1.7%
GAU17
GAC46
Glu E2.4%
GAA73
GAG17
Cys C0.8%
UGU7
UGC22
Trp W2.7%
UGA97
UGG6
Arg R1.8%
CGU5
CGC25
CGA31
CGG6
Gly G5.9%
GGU32
GGC68
GGA101
GGG22
Stop 0.2%
UAA5
UAG0
AGA0
AGG2

Genome map

38 annotated features in NC_027964.1

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 (43.0%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17070 bp+–
12S rRNARibosomal RNA711,032962 bp+44.1%
tRNA-ValTransfer RNA1,0321,09968 bp+–
16S rRNARibosomal RNA1,1002,6831,584 bp+43.3%
tRNA-Leu (UUR)Transfer RNA2,6842,75976 bp+–
ND1Protein-coding gene2,7633,718956 bp+45.2%
tRNA-IleTransfer RNA3,7193,78769 bp+–
tRNA-GlnTransfer RNA3,7853,85773 bp−–
tRNA-MetTransfer RNA3,8603,92869 bp+–
ND2Protein-coding gene3,9294,9701,042 bp+38.9%
tRNA-TrpTransfer RNA4,9715,03868 bp+–
tRNA-AlaTransfer RNA5,0415,10969 bp−–
tRNA-AsnTransfer RNA5,1115,18373 bp−–
tRNA-CysTransfer RNA5,2165,28368 bp−–
tRNA-TyrTransfer RNA5,2855,35167 bp−–
COX1Protein-coding gene5,3536,9091,557 bp+45.0%
tRNA-Ser (UCN)Transfer RNA6,8976,96569 bp−–
tRNA-AspTransfer RNA6,9737,04169 bp+–
COX2Protein-coding gene7,0427,725684 bp+41.7%
tRNA-LysTransfer RNA7,7287,79871 bp+–
ATP8Protein-coding gene7,7987,988191 bp+38.7%
ATP6Protein-coding gene7,9598,639681 bp+43.3%
COX3Protein-coding gene8,6399,422784 bp+44.6%
tRNA-GlyTransfer RNA9,4239,49270 bp+–
ND3Protein-coding gene9,4939,838346 bp+43.6%
tRNA-ArgTransfer RNA9,8409,90869 bp+–
ND4LProtein-coding gene9,90910,205297 bp+43.4%
ND4Protein-coding gene10,19911,5761,378 bp+44.2%
tRNA-HisTransfer RNA11,57711,64569 bp+–
tRNA-Ser (AGY)Transfer RNA11,64611,70560 bp+–
tRNA-Leu (CUN)Transfer RNA11,70511,77571 bp+–
ND5Protein-coding gene11,77613,5991,824 bp+42.9%
ND6Protein-coding gene13,58314,110528 bp−43.6%
tRNA-GluTransfer RNA14,11114,17969 bp−–
CYTBProtein-coding gene14,18215,3211,140 bp+43.8%
tRNA-ThrTransfer RNA15,32215,38867 bp+–
tRNA-ProTransfer RNA15,39115,46070 bp−–
D-loopControl region15,46116,4661,006 bp–43.8%

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