Chionodraco myersi
Myers' icefish
GC content
47.17%
Whole genome
Non-coding
1,916 bp
D-loop 1,502 bp
Where Myers' icefish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Myers' icefish has the 1,106th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,942 bp
- GC skew (G − C) / (G + C)
- −0.254
- AT skew (A − T) / (A + T)
- −0.006
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an observed animal, origin not stated
- 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 genome16,942 bp
Protein-coding10,889 bp
12S rRNA947 bp
16S rRNA1,694 bp
All tRNA1,496 bp
D-loop1,502 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 47.59% | −0.315 | −0.108 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,047 bp | 50.14% | −0.398 | +0.023 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 48.94% | −0.223 | −0.101 | |||||
| COX2Cytochrome c oxidase subunit II | 682 bp | 46.19% | −0.270 | −0.046 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 43.45% | −0.315 | −0.011 | |||||
| ATP6ATP synthase F0 subunit 6 | 696 bp | 47.13% | −0.317 | −0.109 | |||||
| COX3Cytochrome c oxidase subunit III | 794 bp | 48.24% | −0.248 | −0.075 | |||||
| ND3NADH dehydrogenase subunit 3 | 350 bp | 50.29% | −0.352 | −0.230 | |||||
| ND4LNADH dehydrogenase subunit 4L | 296 bp | 47.30% | −0.314 | −0.167 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 46.27% | −0.280 | −0.059 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,838 bp | 47.01% | −0.331 | −0.025 | |||||
| CYTBCytochrome b | 1,141 bp | 48.55% | −0.296 | −0.148 | |||||
| 12S rRNA12S ribosomal RNA | 947 bp | 47.10% | −0.049 | +0.170 | |||||
| 16S rRNA16S ribosomal RNA | 1,694 bp | 46.52% | −0.109 | +0.214 | |||||
| D-loopControl region (D-loop) | 1,502 bp | 42.28% | −0.310 | +0.040 |
Codon usage
Counts per codon, darker is more frequent3,636 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.1%
UUU106
UUC114
Leu L17.0%
UUA88
UUG24
CUU145
CUC163
CUA155
CUG42
Ile I6.9%
AUU127
AUC124
Met M4.3%
AUA97
AUG58
Val V6.1%
GUU53
GUC63
GUA63
GUG42
Ser S6.5%
UCU61
UCC67
UCA45
UCG4
AGU16
AGC45
Pro P5.9%
CCU61
CCC110
CCA33
CCG10
Thr T7.8%
ACU52
ACC116
ACA101
ACG15
Ala A9.6%
GCU63
GCC164
GCA107
GCG14
Tyr Y2.9%
UAU35
UAC69
His H2.8%
CAU31
CAC70
Gln Q2.8%
CAA79
CAG23
Asn N2.8%
AAU27
AAC75
Lys K2.1%
AAA52
AAG24
Asp D2.1%
GAU13
GAC62
Glu E2.4%
GAA61
GAG26
Cys C0.7%
UGU8
UGC18
Trp W3.1%
UGA77
UGG35
Arg R2.1%
CGU16
CGC17
CGA34
CGG8
Gly G6.1%
GGU26
GGC96
GGA51
GGG50
Stop 0.1%
UAA4
UAG1
AGA0
AGG0
Genome map
36 annotated features in NC_010689.1Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.
- Protein-coding12
- rRNA2
- tRNA21
- D-loop1
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (47.2%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 36 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 68 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 69 | 1,015 | 947 bp | + | 47.1% |
| tRNA-Val | Transfer RNA | 1,016 | 1,087 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,088 | 2,781 | 1,694 bp | + | 46.5% |
| tRNA-Leu (UUR) | Transfer RNA | 2,782 | 2,855 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,856 | 3,830 | 975 bp | + | 47.6% |
| tRNA-Ile | Transfer RNA | 3,835 | 3,903 | 69 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,904 | 3,973 | 70 bp | − | – |
| tRNA-Met | Transfer RNA | 3,973 | 4,041 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,042 | 5,088 | 1,047 bp | + | 50.1% |
| tRNA-Trp | Transfer RNA | 5,089 | 5,159 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,160 | 5,229 | 70 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,230 | 5,302 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,338 | 5,404 | 67 bp | + | – |
| tRNA-Tyr | Transfer RNA | 5,404 | 5,472 | 69 bp | − | – |
| COX1 | Protein-coding gene | 5,473 | 7,023 | 1,551 bp | + | 48.9% |
| tRNA-Ser (UCN) | Transfer RNA | 7,024 | 7,095 | 72 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,096 | 7,168 | 73 bp | + | – |
| COX2 | Protein-coding gene | 7,169 | 7,850 | 682 bp | + | 46.2% |
| tRNA-Lys | Transfer RNA | 7,851 | 7,924 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,926 | 8,093 | 168 bp | + | 43.5% |
| ATP6 | Protein-coding gene | 8,072 | 8,767 | 696 bp | + | 47.1% |
| COX3 | Protein-coding gene | 8,768 | 9,561 | 794 bp | + | 48.2% |
| tRNA-Gly | Transfer RNA | 9,562 | 9,631 | 70 bp | + | – |
| ND3 | Protein-coding gene | 9,632 | 9,981 | 350 bp | + | 50.3% |
| tRNA-Arg | Transfer RNA | 9,982 | 10,049 | 68 bp | + | – |
| ND4L | Protein-coding gene | 10,050 | 10,345 | 296 bp | + | 47.3% |
| ND4 | Protein-coding gene | 10,338 | 11,718 | 1,381 bp | + | 46.3% |
| tRNA-His | Transfer RNA | 11,719 | 11,787 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,788 | 11,859 | 72 bp | − | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,860 | 11,931 | 72 bp | + | – |
| ND5 | Protein-coding gene | 11,932 | 13,769 | 1,838 bp | + | 47.0% |
| CYTB | Protein-coding gene | 13,877 | 15,017 | 1,141 bp | + | 48.6% |
| tRNA-Thr | Transfer RNA | 15,018 | 15,103 | 86 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,371 | 15,440 | 70 bp | − | – |
| D-loop | Control region | 15,441 | 16,942 | 1,502 bp | – | 42.3% |