MitoAge

Hydrictis maculicollis

Spotted-necked otter

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Maximum lifespan
22.9 yr
AnAge record
mtDNA size
16,308 bp
RefSeq NC_046485.1
GC content
41.27%
Whole genome
Non-coding
927 bp
D-loop 791 bp

Where Spotted-necked otter sits among 2,335 species

Whole-genome GC content against maximum lifespan. Spotted-necked otter has the 749th longest lifespan of them.

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

Base composition

Whole genome16,308 bp
GC skew (G − C) / (G + C)
−0.281
AT skew (A − T) / (A + T)
+0.083

Life history

Maximum lifespan
22.9 years
Adult weight
4 kg
Female sexual maturity
2.3 years
Gestation or incubation
61 days
Litter or clutch size
2

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 02175)

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 genome16,308 bp
Protein-coding11,346 bp
12S rRNA963 bp
16S rRNA1,567 bp
All tRNA1,508 bp
D-loop791 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1956 bp29.5%27.1%13.9%29.5%43.41%−0.359+0.043
ND2NADH dehydrogenase subunit 21,042 bp34.1%25.6%11.2%29.1%40.31%−0.443+0.141
COX1Cytochrome c oxidase subunit I1,545 bp26.9%29.5%18.9%24.7%43.63%−0.134−0.047
COX2Cytochrome c oxidase subunit II684 bp31.6%25.7%14.5%28.2%42.69%−0.322+0.102
ATP8ATP synthase F0 subunit 8204 bp39.2%29.4%6.4%25.0%31.37%−0.594+0.143
ATP6ATP synthase F0 subunit 6681 bp29.2%28.3%12.3%30.1%42.44%−0.419+0.015
COX3Cytochrome c oxidase subunit III784 bp26.0%27.2%16.7%30.1%46.81%−0.286−0.022
ND3NADH dehydrogenase subunit 3348 bp31.0%28.7%14.4%25.9%40.23%−0.286+0.038
ND4LNADH dehydrogenase subunit 4L297 bp29.0%33.0%11.8%26.3%38.05%−0.381−0.065
ND4NADH dehydrogenase subunit 41,378 bp31.8%26.8%12.3%29.2%41.44%−0.408+0.086
ND5NADH dehydrogenase subunit 51,821 bp32.0%27.7%11.9%28.4%40.31%−0.409+0.073
ND6NADH dehydrogenase subunit 6534 bp41.2%20.0%10.5%28.3%38.76%−0.459+0.346
CYTBCytochrome b1,140 bp28.8%27.3%14.4%29.6%43.95%−0.345+0.027
12S rRNA12S ribosomal RNA963 bp36.6%23.1%18.2%22.2%40.40%−0.100+0.226
16S rRNA16S ribosomal RNA1,567 bp36.1%24.4%18.1%21.5%39.57%−0.087+0.193
D-loopControl region (D-loop)791 bp28.2%29.6%16.7%25.5%42.23%−0.210−0.024

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 F6.1%
UUU105
UUC128
Leu L16.0%
UUA98
UUG18
CUU66
CUC84
CUA281
CUG60
Ile I8.5%
AUU141
AUC183
Met M6.4%
AUA172
AUG71
Val V5.1%
GUU36
GUC48
GUA90
GUG21
Ser S7.5%
UCU38
UCC72
UCA103
UCG15
AGU18
AGC38
Pro P5.2%
CCU41
CCC79
CCA62
CCG14
Thr T8.3%
ACU62
ACC102
ACA126
ACG26
Ala A6.7%
GCU49
GCC104
GCA78
GCG22
Tyr Y3.5%
UAU58
UAC74
His H2.6%
CAU34
CAC65
Gln Q2.3%
CAA74
CAG13
Asn N4.0%
AAU56
AAC95
Lys K2.7%
AAA93
AAG8
Asp D1.8%
GAU25
GAC44
Glu E2.5%
GAA71
GAG25
Cys C0.6%
UGU5
UGC19
Trp W2.8%
UGA81
UGG24
Arg R1.7%
CGU9
CGC13
CGA35
CGG8
Gly G5.6%
GGU31
GGC53
GGA93
GGG37
Stop 0.2%
UAA7
UAG1
AGA1
AGG0

Genome map

38 annotated features in NC_046485.1

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 (41.3%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA16868 bp+–
12S rRNARibosomal RNA691,031963 bp+40.4%
tRNA-ValTransfer RNA1,0321,09968 bp+–
16S rRNARibosomal RNA1,1002,6661,567 bp+39.6%
tRNA-Leu (UUR)Transfer RNA2,6672,74175 bp+–
ND1Protein-coding gene2,7443,699956 bp+43.4%
tRNA-IleTransfer RNA3,7003,76869 bp+–
tRNA-GlnTransfer RNA3,7663,83974 bp−–
tRNA-MetTransfer RNA3,8413,90969 bp+–
ND2Protein-coding gene3,9104,9511,042 bp+40.3%
tRNA-TrpTransfer RNA4,9525,01867 bp+–
tRNA-AlaTransfer RNA5,0285,09669 bp−–
tRNA-AsnTransfer RNA5,0985,17073 bp−–
tRNA-CysTransfer RNA5,2045,27067 bp−–
tRNA-TyrTransfer RNA5,2715,33868 bp−–
COX1Protein-coding gene5,3406,8841,545 bp+43.6%
tRNA-Ser (UCN)Transfer RNA6,8826,95069 bp−–
tRNA-AspTransfer RNA6,9577,02367 bp+–
COX2Protein-coding gene7,0247,707684 bp+42.7%
tRNA-LysTransfer RNA7,7117,77767 bp+–
ATP8Protein-coding gene7,7797,982204 bp+31.4%
ATP6Protein-coding gene7,9408,620681 bp+42.4%
COX3Protein-coding gene8,6209,403784 bp+46.8%
tRNA-GlyTransfer RNA9,4049,47370 bp+–
ND3Protein-coding gene9,4749,821348 bp+40.2%
tRNA-ArgTransfer RNA9,8229,88968 bp+–
ND4LProtein-coding gene9,89010,186297 bp+38.1%
ND4Protein-coding gene10,18011,5571,378 bp+41.4%
tRNA-HisTransfer RNA11,55811,62669 bp+–
tRNA-Ser (AGY)Transfer RNA11,62711,68862 bp+–
tRNA-Leu (CUN)Transfer RNA11,68911,75870 bp+–
ND5Protein-coding gene11,75913,5791,821 bp+40.3%
ND6Protein-coding gene13,56314,096534 bp−38.8%
tRNA-GluTransfer RNA14,09714,16569 bp−–
CYTBProtein-coding gene14,17015,3091,140 bp+44.0%
tRNA-ThrTransfer RNA15,31015,37768 bp+–
tRNA-ProTransfer RNA15,37715,44266 bp−–
D-loopControl region15,44316,233791 bp–42.2%

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