Maximum lifespan
49.5 yr
AnAge record (opens in a new tab)
GC content
40.06%
Whole genome
Non-coding
1,047 bp
D-loop 909 bp

Where Short-beaked echidna sits among 2,335 species

Whole-genome GC content against maximum lifespan. Short-beaked echidna has the 153rd longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Short-beaked echidna
  • This species
  • Other mammals
  • Other classes

Base composition

Whole genome16,360 bp
GC skew (G − C) / (G + C)
−0.307
AT skew (A − T) / (A + T)
+0.025

Life history

Maximum lifespan
49.5 years
Adult weight
3.5 kg
Birth weight
379 mg
Basal metabolic rate
2.327 W
Body temperature
30.7 °C
Female sexual maturity
548 days
Male sexual maturity
548 days
Gestation or incubation
22 days
Litter or clutch size
1
Postnatal growth rate
0.013 per day

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 02623)

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 genome16,360 bp
Protein-coding11,332 bp
12S rRNA950 bp
16S rRNA1,567 bp
All tRNA1,480 bp
D-loop909 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Tachyglossus aculeatus genes
Composition
ND1NADH dehydrogenase subunit 1957 bp28.0%30.4%12.4%29.2%41.59%−0.402−0.041
ND2NADH dehydrogenase subunit 21,044 bp33.6%28.1%9.3%29.0%38.31%−0.515+0.090
COX1Cytochrome c oxidase subunit I1,542 bp25.7%32.4%16.7%25.3%41.96%−0.206−0.115
COX2Cytochrome c oxidase subunit II693 bp31.9%28.3%13.4%26.4%39.83%−0.326+0.060
ATP8ATP synthase F0 subunit 8210 bp30.0%29.0%10.0%31.0%40.95%−0.512+0.016
ATP6ATP synthase F0 subunit 6681 bp30.0%30.7%11.0%28.3%39.35%−0.440−0.012
COX3Cytochrome c oxidase subunit III784 bp25.4%31.3%15.8%27.6%43.37%−0.271−0.104
ND3NADH dehydrogenase subunit 3348 bp26.1%32.8%14.1%27.0%41.09%−0.315−0.112
ND4LNADH dehydrogenase subunit 4L297 bp30.0%34.0%12.1%23.9%36.03%−0.327−0.063
ND4NADH dehydrogenase subunit 41,378 bp29.5%30.1%12.3%28.2%40.42%−0.393−0.011
ND5NADH dehydrogenase subunit 51,815 bp30.3%29.3%11.7%28.7%40.44%−0.420+0.018
ND6NADH dehydrogenase subunit 6501 bp42.5%18.2%7.6%31.7%39.32%−0.614+0.401
CYTBCytochrome b1,140 bp27.1%28.9%13.9%30.0%43.95%−0.365−0.033
12S rRNA12S ribosomal RNA950 bp36.0%22.7%17.8%23.5%41.26%−0.138+0.226
16S rRNA16S ribosomal RNA1,567 bp35.7%26.0%17.1%21.3%38.35%−0.108+0.157
D-loopControl region (D-loop)909 bp27.5%34.5%16.3%21.7%37.95%−0.142−0.113

Codon usage

Counts per codon, darker is more frequent

3,796 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.2%
UUU140
UUC96
Leu L16.9%
UUA156
UUG23
CUU107
CUC111
CUA220
CUG25
Ile I8.4%
AUU171
AUC147
Met M5.6%
AUA156
AUG57
Val V5.3%
GUU60
GUC56
GUA74
GUG11
Ser S7.4%
UCU38
UCC84
UCA106
UCG7
AGU24
AGC22
Pro P5.2%
CCU53
CCC72
CCA70
CCG4
Thr T8.2%
ACU66
ACC118
ACA111
ACG18
Ala A6.2%
GCU70
GCC90
GCA70
GCG6
Tyr Y3.4%
UAU51
UAC79
His H2.7%
CAU34
CAC69
Gln Q2.3%
CAA79
CAG9
Asn N4.0%
AAU52
AAC100
Lys K2.2%
AAA71
AAG14
Asp D1.8%
GAU25
GAC43
Glu E2.5%
GAA66
GAG30
Cys C0.7%
UGU13
UGC13
Trp W2.8%
UGA92
UGG14
Arg R1.8%
CGU13
CGC18
CGA29
CGG7
Gly G5.9%
GGU47
GGC62
GGA71
GGG45
Stop 0.3%
UAA7
UAG3
AGA0
AGG1

Genome map

38 annotated features in NC_003321.1

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 (40.1%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
Annotated features of Tachyglossus aculeatus (NC_003321.1)
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17272 bp+–
12S rRNARibosomal RNA731,022950 bp+41.3%
tRNA-ValTransfer RNA1,0131,07967 bp+–
16S rRNARibosomal RNA1,0802,6461,567 bp+38.4%
tRNA-Leu (UUR)Transfer RNA2,6492,72375 bp+–
ND1Protein-coding gene2,8083,764957 bp+41.6%
tRNA-IleTransfer RNA3,7653,83369 bp+–
tRNA-GlnTransfer RNA3,8313,90272 bp−–
tRNA-MetTransfer RNA3,9023,97069 bp+–
ND2Protein-coding gene3,9715,0141,044 bp+38.3%
tRNA-TrpTransfer RNA5,0135,08169 bp+–
tRNA-AlaTransfer RNA5,0855,15167 bp−–
tRNA-AsnTransfer RNA5,1525,22473 bp−–
tRNA-CysTransfer RNA5,2575,31761 bp−–
tRNA-TyrTransfer RNA5,3185,38366 bp−–
COX1Protein-coding gene5,3846,9251,542 bp+42.0%
tRNA-Ser (UCN)Transfer RNA6,9376,99761 bp−–
tRNA-AspTransfer RNA6,9977,06872 bp+–
COX2Protein-coding gene7,0697,761693 bp+39.8%
tRNA-LysTransfer RNA7,7627,82160 bp+–
ATP8Protein-coding gene7,8248,033210 bp+41.0%
ATP6Protein-coding gene7,9888,668681 bp+39.4%
COX3Protein-coding gene8,6689,451784 bp+43.4%
tRNA-GlyTransfer RNA9,4529,52069 bp+–
ND3Protein-coding gene9,5219,868348 bp+41.1%
tRNA-ArgTransfer RNA9,8669,93469 bp+–
ND4LProtein-coding gene9,93510,231297 bp+36.0%
ND4Protein-coding gene10,22511,6021,378 bp+40.4%
tRNA-HisTransfer RNA11,60311,67169 bp+–
tRNA-Ser (AGY)Transfer RNA11,67211,73059 bp+–
tRNA-Leu (CUN)Transfer RNA11,72611,79368 bp+–
ND5Protein-coding gene11,79513,6091,815 bp+40.4%
ND6Protein-coding gene13,60614,106501 bp−39.3%
tRNA-GluTransfer RNA14,10814,17568 bp−–
CYTBProtein-coding gene14,17815,3171,140 bp+44.0%
tRNA-ThrTransfer RNA15,31715,38569 bp+–
tRNA-ProTransfer RNA15,38615,45166 bp−–
D-loopControl region15,45216,360909 bp–38.0%