Periophthalmus barbarus
Atlantic mudskipper
GC content
43.16%
Whole genome
Non-coding
898 bp
D-loop 839 bp
Where Atlantic mudskipper sits among 2,335 species
Whole-genome GC content against maximum lifespan. Atlantic mudskipper has the 2,248th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,502 bp
- GC skew (G − C) / (G + C)
- −0.263
- AT skew (A − T) / (A + T)
- +0.015
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an animal in captivity
- Data quality
- acceptable
- 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 genome16,502 bp
Protein-coding11,409 bp
12S rRNA953 bp
16S rRNA1,690 bp
All tRNA1,552 bp
D-loop839 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 44.21% | −0.290 | −0.096 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,047 bp | 43.74% | −0.445 | +0.032 | |||||
| COX1Cytochrome c oxidase subunit I | 1,554 bp | 44.08% | −0.168 | −0.130 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 40.09% | −0.220 | −0.024 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 43.64% | −0.611 | +0.140 | |||||
| ATP6ATP synthase F0 subunit 6 | 682 bp | 42.08% | −0.366 | −0.144 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 43.88% | −0.250 | −0.041 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 43.27% | −0.325 | −0.263 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 46.80% | −0.353 | −0.076 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 44.10% | −0.323 | −0.034 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 42.09% | −0.362 | −0.029 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 45.79% | −0.490 | +0.435 | |||||
| CYTBCytochrome b | 1,141 bp | 44.08% | −0.336 | −0.119 | |||||
| 12S rRNA12S ribosomal RNA | 953 bp | 46.59% | −0.090 | +0.198 | |||||
| 16S rRNA16S ribosomal RNA | 1,690 bp | 43.73% | −0.099 | +0.207 | |||||
| D-loopControl region (D-loop) | 839 bp | 32.30% | −0.255 | +0.063 |
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 F6.3%
UUU145
UUC96
Leu L17.5%
UUA107
UUG28
CUU204
CUC97
CUA171
CUG61
Ile I7.0%
AUU194
AUC74
Met M4.2%
AUA105
AUG53
Val V5.9%
GUU73
GUC41
GUA79
GUG31
Ser S6.1%
UCU50
UCC60
UCA67
UCG4
AGU15
AGC35
Pro P6.0%
CCU64
CCC105
CCA59
CCG1
Thr T7.7%
ACU58
ACC95
ACA139
ACG2
Ala A9.2%
GCU85
GCC128
GCA137
GCG0
Tyr Y2.9%
UAU63
UAC48
His H2.8%
CAU35
CAC73
Gln Q2.6%
CAA84
CAG15
Asn N3.2%
AAU39
AAC84
Lys K1.8%
AAA66
AAG4
Asp D1.9%
GAU31
GAC41
Glu E2.5%
GAA78
GAG18
Cys C0.7%
UGU11
UGC16
Trp W3.0%
UGA102
UGG13
Arg R1.9%
CGU12
CGC11
CGA38
CGG12
Gly G6.4%
GGU37
GGC68
GGA73
GGG65
Stop 0.2%
UAA6
UAG1
AGA0
AGG0
Genome map
38 annotated features in NC_063130.1Hover, 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 (43.2%, 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 | 1,021 | 953 bp | + | 46.6% |
| tRNA-Val | Transfer RNA | 1,022 | 1,093 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,094 | 2,783 | 1,690 bp | + | 43.7% |
| tRNA-Leu (UUR) | Transfer RNA | 2,784 | 2,858 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,859 | 3,833 | 975 bp | + | 44.2% |
| tRNA-Ile | Transfer RNA | 3,838 | 3,907 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,907 | 3,977 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,977 | 4,045 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,046 | 5,092 | 1,047 bp | + | 43.7% |
| tRNA-Trp | Transfer RNA | 5,094 | 5,164 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,167 | 5,235 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,237 | 5,309 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,343 | 5,407 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,408 | 5,478 | 71 bp | − | – |
| COX1 | Protein-coding gene | 5,480 | 7,033 | 1,554 bp | + | 44.1% |
| tRNA-Ser (UCN) | Transfer RNA | 7,034 | 7,104 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,108 | 7,179 | 72 bp | + | – |
| COX2 | Protein-coding gene | 7,184 | 7,874 | 691 bp | + | 40.1% |
| tRNA-Lys | Transfer RNA | 7,875 | 7,950 | 76 bp | + | – |
| ATP8 | Protein-coding gene | 7,952 | 8,116 | 165 bp | + | 43.6% |
| ATP6 | Protein-coding gene | 8,110 | 8,791 | 682 bp | + | 42.1% |
| COX3 | Protein-coding gene | 8,792 | 9,575 | 784 bp | + | 43.9% |
| tRNA-Gly | Transfer RNA | 9,576 | 9,647 | 72 bp | + | – |
| ND3 | Protein-coding gene | 9,648 | 9,996 | 349 bp | + | 43.3% |
| tRNA-Arg | Transfer RNA | 9,997 | 10,065 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,066 | 10,362 | 297 bp | + | 46.8% |
| ND4 | Protein-coding gene | 10,356 | 11,736 | 1,381 bp | + | 44.1% |
| tRNA-His | Transfer RNA | 11,737 | 11,805 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,806 | 11,873 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,878 | 11,950 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,951 | 13,789 | 1,839 bp | + | 42.1% |
| ND6 | Protein-coding gene | 13,786 | 14,307 | 522 bp | − | 45.8% |
| tRNA-Glu | Transfer RNA | 14,308 | 14,376 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,382 | 15,522 | 1,141 bp | + | 44.1% |
| tRNA-Thr | Transfer RNA | 15,523 | 15,594 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,594 | 15,663 | 70 bp | − | – |
| D-loop | Control region | 15,664 | 16,502 | 839 bp | – | 32.3% |