Mergus merganser
Common merganser
GC content
49.40%
Whole genome
Non-coding
1,116 bp
D-loop 1,059 bp
Where Common merganser sits among 2,335 species
Whole-genome GC content against maximum lifespan. Common merganser has the 1,261st longest lifespan of them.
- This species
- Other birds
- Other classes
Base composition
Whole genome16,630 bp
- GC skew (G − C) / (G + C)
- −0.346
- AT skew (A − T) / (A + T)
- +0.135
Life history
- Maximum lifespan
- 14.8 years
- Adult weight
- 1.4 kg
- Birth weight
- 46.2 g
- Female sexual maturity
- 2 years
- Male sexual maturity
- 2 years
- Gestation or incubation
- 30 days
- Litter or clutch size
- 10
- Litters per year
- 1
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 00352)
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in the wild
- 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 RefSeqWhole genome16,630 bp
Protein-coding11,386 bp
12S rRNA993 bp
16S rRNA1,601 bp
All tRNA1,546 bp
D-loop1,059 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 978 bp | 50.51% | −0.368 | +0.012 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,039 bp | 49.86% | −0.448 | +0.140 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 50.74% | −0.304 | +0.037 | |||||
| COX2Cytochrome c oxidase subunit II | 687 bp | 51.38% | −0.297 | +0.096 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 47.62% | −0.625 | +0.318 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 52.49% | −0.460 | +0.077 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 51.91% | −0.312 | +0.034 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 51.57% | −0.392 | −0.024 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 52.53% | −0.346 | +0.050 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 49.35% | −0.482 | +0.135 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,824 bp | 49.67% | −0.435 | +0.166 | |||||
| ND6NADH dehydrogenase subunit 6 | 521 bp | 52.02% | −0.491 | +0.560 | |||||
| CYTBCytochrome b | 1,143 bp | 51.36% | −0.424 | +0.079 | |||||
| 12S rRNA12S ribosomal RNA | 993 bp | 49.25% | −0.153 | +0.250 | |||||
| 16S rRNA16S ribosomal RNA | 1,601 bp | 46.03% | −0.140 | +0.271 | |||||
| D-loopControl region (D-loop) | 1,059 bp | 48.16% | −0.341 | +0.024 |
Codon usage
Counts per codon, darker is more frequent3,800 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.8%
UUU47
UUC175
Leu L17.6%
UUA31
UUG16
CUU43
CUC174
CUA298
CUG106
Ile I7.2%
AUU62
AUC213
Met M4.4%
AUA97
AUG69
Val V5.1%
GUU32
GUC61
GUA64
GUG35
Ser S7.2%
UCU28
UCC91
UCA81
UCG15
AGU3
AGC57
Pro P6.2%
CCU19
CCC106
CCA95
CCG16
Thr T8.4%
ACU34
ACC154
ACA115
ACG15
Ala A8.8%
GCU34
GCC192
GCA96
GCG13
Tyr Y2.7%
UAU23
UAC78
His H3.0%
CAU9
CAC104
Gln Q2.4%
CAA65
CAG26
Asn N3.2%
AAU13
AAC107
Lys K2.3%
AAA71
AAG18
Asp D1.6%
GAU12
GAC49
Glu E2.5%
GAA64
GAG31
Cys C0.8%
UGU4
UGC26
Trp W2.8%
UGA87
UGG21
Arg R1.9%
CGU1
CGC18
CGA41
CGG14
Gly G5.8%
GGU13
GGC77
GGA73
GGG59
Stop 0.2%
UAA6
UAG1
AGA0
AGG2
Genome map
38 annotated features in NC_040986.1Hover, 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 (49.4%, 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 | 70 | 70 bp | + | – |
| 12S rRNA | Ribosomal RNA | 71 | 1,063 | 993 bp | + | 49.3% |
| tRNA-Val | Transfer RNA | 1,064 | 1,135 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,136 | 2,736 | 1,601 bp | + | 46.0% |
| tRNA-Leu (UUR) | Transfer RNA | 2,737 | 2,810 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,817 | 3,794 | 978 bp | + | 50.5% |
| tRNA-Ile | Transfer RNA | 3,793 | 3,865 | 73 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,873 | 3,943 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,943 | 4,011 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,012 | 5,050 | 1,039 bp | + | 49.9% |
| tRNA-Trp | Transfer RNA | 5,051 | 5,127 | 77 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,131 | 5,199 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,201 | 5,273 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,275 | 5,339 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,340 | 5,410 | 71 bp | − | – |
| COX1 | Protein-coding gene | 5,412 | 6,962 | 1,551 bp | + | 50.7% |
| tRNA-Ser (UCN) | Transfer RNA | 6,954 | 7,026 | 73 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,029 | 7,097 | 69 bp | + | – |
| COX2 | Protein-coding gene | 7,099 | 7,785 | 687 bp | + | 51.4% |
| tRNA-Lys | Transfer RNA | 7,787 | 7,855 | 69 bp | + | – |
| ATP8 | Protein-coding gene | 7,857 | 8,024 | 168 bp | + | 47.6% |
| ATP6 | Protein-coding gene | 8,015 | 8,698 | 684 bp | + | 52.5% |
| COX3 | Protein-coding gene | 8,698 | 9,481 | 784 bp | + | 51.9% |
| tRNA-Gly | Transfer RNA | 9,482 | 9,550 | 69 bp | + | – |
| ND3 | Protein-coding gene | 9,551 | 9,902 | 352 bp | + | 51.6% |
| tRNA-Arg | Transfer RNA | 9,904 | 9,973 | 70 bp | + | – |
| ND4L | Protein-coding gene | 9,974 | 10,270 | 297 bp | + | 52.5% |
| ND4 | Protein-coding gene | 10,264 | 11,641 | 1,378 bp | + | 49.4% |
| tRNA-His | Transfer RNA | 11,642 | 11,710 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,711 | 11,776 | 66 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,776 | 11,846 | 71 bp | + | – |
| ND5 | Protein-coding gene | 11,847 | 13,670 | 1,824 bp | + | 49.7% |
| CYTB | Protein-coding gene | 13,670 | 14,812 | 1,143 bp | + | 51.4% |
| tRNA-Thr | Transfer RNA | 14,815 | 14,883 | 69 bp | + | – |
| tRNA-Pro | Transfer RNA | 14,894 | 14,963 | 70 bp | − | – |
| ND6 | Protein-coding gene | 14,975 | 15,495 | 521 bp | − | 52.0% |
| tRNA-Glu | Transfer RNA | 15,495 | 15,563 | 69 bp | − | – |
| D-loop | Control region | 15,572 | 16,630 | 1,059 bp | – | 48.2% |