Tachyglossus aculeatus
Short-beaked echidna
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.
- 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 RefSeqWhole 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| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 957 bp | 41.59% | −0.402 | −0.041 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,044 bp | 38.31% | −0.515 | +0.090 | |||||
| COX1Cytochrome c oxidase subunit I | 1,542 bp | 41.96% | −0.206 | −0.115 | |||||
| COX2Cytochrome c oxidase subunit II | 693 bp | 39.83% | −0.326 | +0.060 | |||||
| ATP8ATP synthase F0 subunit 8 | 210 bp | 40.95% | −0.512 | +0.016 | |||||
| ATP6ATP synthase F0 subunit 6 | 681 bp | 39.35% | −0.440 | −0.012 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 43.37% | −0.271 | −0.104 | |||||
| ND3NADH dehydrogenase subunit 3 | 348 bp | 41.09% | −0.315 | −0.112 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 36.03% | −0.327 | −0.063 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 40.42% | −0.393 | −0.011 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,815 bp | 40.44% | −0.420 | +0.018 | |||||
| ND6NADH dehydrogenase subunit 6 | 501 bp | 39.32% | −0.614 | +0.401 | |||||
| CYTBCytochrome b | 1,140 bp | 43.95% | −0.365 | −0.033 | |||||
| 12S rRNA12S ribosomal RNA | 950 bp | 41.26% | −0.138 | +0.226 | |||||
| 16S rRNA16S ribosomal RNA | 1,567 bp | 38.35% | −0.108 | +0.157 | |||||
| D-loopControl region (D-loop) | 909 bp | 37.95% | −0.142 | −0.113 |
Codon usage
Counts per codon, darker is more frequent3,796 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_003321.1Hover, 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
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 72 | 72 bp | + | – |
| 12S rRNA | Ribosomal RNA | 73 | 1,022 | 950 bp | + | 41.3% |
| tRNA-Val | Transfer RNA | 1,013 | 1,079 | 67 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,080 | 2,646 | 1,567 bp | + | 38.4% |
| tRNA-Leu (UUR) | Transfer RNA | 2,649 | 2,723 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,808 | 3,764 | 957 bp | + | 41.6% |
| tRNA-Ile | Transfer RNA | 3,765 | 3,833 | 69 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,831 | 3,902 | 72 bp | − | – |
| tRNA-Met | Transfer RNA | 3,902 | 3,970 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,971 | 5,014 | 1,044 bp | + | 38.3% |
| tRNA-Trp | Transfer RNA | 5,013 | 5,081 | 69 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,085 | 5,151 | 67 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,152 | 5,224 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,257 | 5,317 | 61 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,318 | 5,383 | 66 bp | − | – |
| COX1 | Protein-coding gene | 5,384 | 6,925 | 1,542 bp | + | 42.0% |
| tRNA-Ser (UCN) | Transfer RNA | 6,937 | 6,997 | 61 bp | − | – |
| tRNA-Asp | Transfer RNA | 6,997 | 7,068 | 72 bp | + | – |
| COX2 | Protein-coding gene | 7,069 | 7,761 | 693 bp | + | 39.8% |
| tRNA-Lys | Transfer RNA | 7,762 | 7,821 | 60 bp | + | – |
| ATP8 | Protein-coding gene | 7,824 | 8,033 | 210 bp | + | 41.0% |
| ATP6 | Protein-coding gene | 7,988 | 8,668 | 681 bp | + | 39.4% |
| COX3 | Protein-coding gene | 8,668 | 9,451 | 784 bp | + | 43.4% |
| tRNA-Gly | Transfer RNA | 9,452 | 9,520 | 69 bp | + | – |
| ND3 | Protein-coding gene | 9,521 | 9,868 | 348 bp | + | 41.1% |
| tRNA-Arg | Transfer RNA | 9,866 | 9,934 | 69 bp | + | – |
| ND4L | Protein-coding gene | 9,935 | 10,231 | 297 bp | + | 36.0% |
| ND4 | Protein-coding gene | 10,225 | 11,602 | 1,378 bp | + | 40.4% |
| tRNA-His | Transfer RNA | 11,603 | 11,671 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,672 | 11,730 | 59 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,726 | 11,793 | 68 bp | + | – |
| ND5 | Protein-coding gene | 11,795 | 13,609 | 1,815 bp | + | 40.4% |
| ND6 | Protein-coding gene | 13,606 | 14,106 | 501 bp | − | 39.3% |
| tRNA-Glu | Transfer RNA | 14,108 | 14,175 | 68 bp | − | – |
| CYTB | Protein-coding gene | 14,178 | 15,317 | 1,140 bp | + | 44.0% |
| tRNA-Thr | Transfer RNA | 15,317 | 15,385 | 69 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,386 | 15,451 | 66 bp | − | – |
| D-loop | Control region | 15,452 | 16,360 | 909 bp | – | 38.0% |