Monopterus albus
Asian swamp eel
GC content
43.92%
Whole genome
Non-coding
1,065 bp
D-loop 1,008 bp
Where Asian swamp eel sits among 2,335 species
Whole-genome GC content against maximum lifespan. Asian swamp eel has the 1,665th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,622 bp
- GC skew (G − C) / (G + C)
- −0.341
- AT skew (A − T) / (A + T)
- +0.031
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an estimate, not an observed animal
- Data quality
- low
- Licence
- CC BY-NC 4.0
- Status
- New in build 2
- In the database since
- build 2 (2026-11-13)
The lifespan value is for non-commercial use only; the genome data is not restricted by it.
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome16,622 bp
Protein-coding11,412 bp
12S rRNA943 bp
16S rRNA1,679 bp
All tRNA1,532 bp
D-loop1,008 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 46.15% | −0.444 | −0.067 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,052 bp | 46.29% | −0.478 | −0.027 | |||||
| COX1Cytochrome c oxidase subunit I | 1,557 bp | 46.11% | −0.262 | −0.075 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 40.23% | −0.259 | +0.046 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 41.21% | −0.382 | −0.031 | |||||
| ATP6ATP synthase F0 subunit 6 | 683 bp | 44.07% | −0.468 | −0.063 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 48.85% | −0.368 | −0.037 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 43.27% | −0.430 | −0.111 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 46.80% | −0.439 | −0.038 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 45.84% | −0.431 | −0.024 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,836 bp | 42.38% | −0.463 | +0.015 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 47.89% | −0.520 | +0.397 | |||||
| CYTBCytochrome b | 1,138 bp | 45.61% | −0.414 | −0.089 | |||||
| 12S rRNA12S ribosomal RNA | 943 bp | 45.07% | −0.129 | +0.193 | |||||
| 16S rRNA16S ribosomal RNA | 1,679 bp | 41.87% | −0.147 | +0.217 | |||||
| D-loopControl region (D-loop) | 1,008 bp | 36.91% | −0.290 | +0.019 |
Codon usage
Counts per codon, darker is more frequent3,807 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.0%
UUU106
UUC123
Leu L17.3%
UUA107
UUG20
CUU135
CUC166
CUA194
CUG35
Ile I7.8%
AUU159
AUC137
Met M4.5%
AUA139
AUG33
Val V5.0%
GUU47
GUC58
GUA60
GUG24
Ser S6.7%
UCU66
UCC70
UCA57
UCG8
AGU11
AGC44
Pro P5.8%
CCU69
CCC95
CCA54
CCG4
Thr T8.3%
ACU80
ACC142
ACA87
ACG8
Ala A8.1%
GCU63
GCC156
GCA78
GCG13
Tyr Y3.3%
UAU52
UAC73
His H2.9%
CAU24
CAC86
Gln Q2.5%
CAA87
CAG8
Asn N3.4%
AAU39
AAC90
Lys K2.3%
AAA79
AAG9
Asp D1.7%
GAU13
GAC53
Glu E2.3%
GAA65
GAG24
Cys C0.8%
UGU14
UGC17
Trp W3.1%
UGA103
UGG15
Arg R1.9%
CGU5
CGC17
CGA40
CGG12
Gly G6.0%
GGU33
GGC92
GGA54
GGG49
Stop 0.2%
UAA2
UAG3
AGA0
AGG1
Genome map
38 annotated features in NC_003192.1Hover, 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 (43.9%, 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 | 68 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 69 | 1,011 | 943 bp | + | 45.1% |
| tRNA-Val | Transfer RNA | 1,012 | 1,083 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,084 | 2,762 | 1,679 bp | + | 41.9% |
| tRNA-Leu (UUR) | Transfer RNA | 2,763 | 2,836 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,837 | 3,811 | 975 bp | + | 46.2% |
| tRNA-Ile | Transfer RNA | 3,817 | 3,886 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,890 | 3,960 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,960 | 4,029 | 70 bp | + | – |
| ND2 | Protein-coding gene | 4,033 | 5,084 | 1,052 bp | + | 46.3% |
| tRNA-Trp | Transfer RNA | 5,085 | 5,155 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,157 | 5,225 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,227 | 5,299 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,330 | 5,392 | 63 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,393 | 5,459 | 67 bp | − | – |
| COX1 | Protein-coding gene | 5,461 | 7,017 | 1,557 bp | + | 46.1% |
| tRNA-Ser (UCN) | Transfer RNA | 7,009 | 7,079 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,082 | 7,149 | 68 bp | + | – |
| COX2 | Protein-coding gene | 7,154 | 7,844 | 691 bp | + | 40.2% |
| tRNA-Lys | Transfer RNA | 7,845 | 7,917 | 73 bp | + | – |
| ATP8 | Protein-coding gene | 7,919 | 8,083 | 165 bp | + | 41.2% |
| ATP6 | Protein-coding gene | 8,077 | 8,759 | 683 bp | + | 44.1% |
| COX3 | Protein-coding gene | 8,760 | 9,543 | 784 bp | + | 48.9% |
| tRNA-Gly | Transfer RNA | 9,544 | 9,612 | 69 bp | + | – |
| ND3 | Protein-coding gene | 9,613 | 9,961 | 349 bp | + | 43.3% |
| tRNA-Arg | Transfer RNA | 9,962 | 10,030 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,031 | 10,327 | 297 bp | + | 46.8% |
| ND4 | Protein-coding gene | 10,321 | 11,701 | 1,381 bp | + | 45.8% |
| tRNA-His | Transfer RNA | 11,702 | 11,770 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,771 | 11,837 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,839 | 11,910 | 72 bp | + | – |
| ND5 | Protein-coding gene | 11,911 | 13,746 | 1,836 bp | + | 42.4% |
| ND6 | Protein-coding gene | 13,743 | 14,264 | 522 bp | − | 47.9% |
| tRNA-Glu | Transfer RNA | 14,265 | 14,333 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,339 | 15,476 | 1,138 bp | + | 45.6% |
| tRNA-Thr | Transfer RNA | 15,477 | 15,547 | 71 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,547 | 15,614 | 68 bp | − | – |
| D-loop | Control region | 15,615 | 16,622 | 1,008 bp | – | 36.9% |