Chionodraco hamatus
Antarctic icefish
GC content
47.62%
Whole genome
Non-coding
1,845 bp
D-loop 1,349 bp
Where Antarctic icefish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Antarctic icefish has the 1,576th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome17,457 bp
- GC skew (G − C) / (G + C)
- −0.267
- AT skew (A − T) / (A + T)
- +0.007
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an observed animal, origin not stated
- Data quality
- questionable
- 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 genome17,457 bp
Protein-coding11,415 bp
12S rRNA947 bp
16S rRNA1,692 bp
All tRNA1,558 bp
D-loop1,349 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 47.69% | −0.325 | −0.114 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,046 bp | 50.38% | −0.397 | +0.029 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 48.74% | −0.230 | −0.107 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 46.31% | −0.294 | −0.013 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 43.45% | −0.315 | −0.011 | |||||
| ATP6ATP synthase F0 subunit 6 | 696 bp | 47.99% | −0.311 | −0.116 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 48.66% | −0.236 | −0.082 | |||||
| ND3NADH dehydrogenase subunit 3 | 350 bp | 50.00% | −0.371 | −0.200 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 49.50% | −0.306 | −0.187 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 46.20% | −0.298 | −0.044 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,838 bp | 47.55% | −0.332 | −0.031 | |||||
| ND6NADH dehydrogenase subunit 6 | 525 bp | 52.19% | −0.423 | +0.331 | |||||
| CYTBCytochrome b | 1,141 bp | 48.99% | −0.299 | −0.144 | |||||
| 12S rRNA12S ribosomal RNA | 947 bp | 47.41% | −0.042 | +0.161 | |||||
| 16S rRNA16S ribosomal RNA | 1,692 bp | 46.87% | −0.110 | +0.217 | |||||
| D-loopControl region (D-loop) | 1,349 bp | 42.40% | −0.311 | +0.042 |
Codon usage
Counts per codon, darker is more frequent3,811 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.0%
UUU111
UUC116
Leu L16.8%
UUA95
UUG32
CUU144
CUC166
CUA158
CUG44
Ile I6.7%
AUU128
AUC126
Met M4.3%
AUA100
AUG62
Val V6.6%
GUU58
GUC69
GUA67
GUG58
Ser S6.5%
UCU60
UCC71
UCA45
UCG6
AGU16
AGC51
Pro P5.8%
CCU52
CCC122
CCA36
CCG12
Thr T7.5%
ACU54
ACC116
ACA102
ACG15
Ala A9.6%
GCU69
GCC167
GCA111
GCG18
Tyr Y3.0%
UAU39
UAC74
His H2.7%
CAU31
CAC73
Gln Q2.8%
CAA84
CAG21
Asn N2.8%
AAU27
AAC78
Lys K2.0%
AAA52
AAG26
Asp D2.0%
GAU13
GAC62
Glu E2.5%
GAA57
GAG39
Cys C0.9%
UGU15
UGC20
Trp W3.0%
UGA82
UGG33
Arg R2.0%
CGU14
CGC19
CGA33
CGG12
Gly G6.4%
GGU35
GGC98
GGA44
GGG67
Stop 0.2%
UAA4
UAG1
AGA0
AGG1
Genome map
38 annotated features in NC_029737.1Hover, 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 (47.6%, 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 | 1,015 | 947 bp | + | 47.4% |
| tRNA-Val | Transfer RNA | 1,016 | 1,087 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,088 | 2,779 | 1,692 bp | + | 46.9% |
| tRNA-Leu (UUR) | Transfer RNA | 2,780 | 2,853 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,854 | 3,828 | 975 bp | + | 47.7% |
| tRNA-Ile | Transfer RNA | 3,833 | 3,901 | 69 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,902 | 3,973 | 72 bp | − | – |
| tRNA-Met | Transfer RNA | 3,973 | 4,041 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,042 | 5,087 | 1,046 bp | + | 50.4% |
| tRNA-Trp | Transfer RNA | 5,088 | 5,158 | 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 | 5,403 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,404 | 5,472 | 69 bp | − | – |
| COX1 | Protein-coding gene | 5,473 | 7,023 | 1,551 bp | + | 48.7% |
| 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 | 7,859 | 691 bp | + | 46.3% |
| tRNA-Lys | Transfer RNA | 7,860 | 7,933 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,935 | 8,102 | 168 bp | + | 43.5% |
| ATP6 | Protein-coding gene | 8,081 | 8,776 | 696 bp | + | 48.0% |
| COX3 | Protein-coding gene | 8,814 | 9,598 | 785 bp | + | 48.7% |
| tRNA-Gly | Transfer RNA | 9,599 | 9,668 | 70 bp | + | – |
| ND3 | Protein-coding gene | 9,669 | 10,018 | 350 bp | + | 50.0% |
| tRNA-Arg | Transfer RNA | 10,019 | 10,086 | 68 bp | + | – |
| ND4L | Protein-coding gene | 10,087 | 10,383 | 297 bp | + | 49.5% |
| ND4 | Protein-coding gene | 10,377 | 11,757 | 1,381 bp | + | 46.2% |
| tRNA-His | Transfer RNA | 11,758 | 11,826 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,827 | 11,898 | 72 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,899 | 11,970 | 72 bp | + | – |
| ND5 | Protein-coding gene | 11,971 | 13,808 | 1,838 bp | + | 47.6% |
| CYTB | Protein-coding gene | 13,917 | 15,057 | 1,141 bp | + | 49.0% |
| tRNA-Thr | Transfer RNA | 15,060 | 15,136 | 77 bp | + | – |
| ND6 | Protein-coding gene | 15,404 | 15,928 | 525 bp | − | 52.2% |
| tRNA-Glu | Transfer RNA | 15,929 | 15,997 | 69 bp | − | – |
| tRNA-Pro | Transfer RNA | 16,038 | 16,107 | 70 bp | − | – |
| D-loop | Control region | 16,109 | 17,457 | 1,349 bp | – | 42.4% |