Chaenocephalus aceratus
Blackfin icefish
GC content
47.23%
Whole genome
Non-coding
1,707 bp
D-loop 1,304 bp
Where Blackfin icefish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Blackfin icefish has the 1,104th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome17,311 bp
- GC skew (G − C) / (G + C)
- −0.263
- AT skew (A − T) / (A + T)
- +0.009
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 genome17,311 bp
Protein-coding11,418 bp
12S rRNA947 bp
16S rRNA1,693 bp
All tRNA1,546 bp
D-loop1,304 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 47.90% | −0.298 | −0.114 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,046 bp | 49.62% | −0.441 | +0.047 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 48.55% | −0.222 | −0.118 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 46.74% | −0.282 | −0.033 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 43.45% | −0.315 | −0.011 | |||||
| ATP6ATP synthase F0 subunit 6 | 696 bp | 46.26% | −0.360 | −0.070 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 47.90% | −0.234 | −0.086 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 49.57% | −0.376 | −0.239 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 48.82% | −0.338 | −0.158 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 46.27% | −0.296 | −0.035 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,842 bp | 47.45% | −0.332 | −0.019 | |||||
| ND6NADH dehydrogenase subunit 6 | 525 bp | 50.86% | −0.431 | +0.295 | |||||
| CYTBCytochrome b | 1,141 bp | 48.73% | −0.317 | −0.125 | |||||
| 12S rRNA12S ribosomal RNA | 947 bp | 47.41% | −0.051 | +0.169 | |||||
| 16S rRNA16S ribosomal RNA | 1,693 bp | 46.13% | −0.104 | +0.211 | |||||
| D-loopControl region (D-loop) | 1,304 bp | 42.41% | −0.255 | +0.020 |
Codon usage
Counts per codon, darker is more frequent3,813 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.0%
UUU116
UUC112
Leu L16.7%
UUA91
UUG30
CUU148
CUC157
CUA167
CUG44
Ile I6.6%
AUU121
AUC131
Met M4.3%
AUA103
AUG61
Val V6.6%
GUU59
GUC68
GUA77
GUG49
Ser S6.6%
UCU57
UCC70
UCA54
UCG3
AGU14
AGC53
Pro P5.8%
CCU60
CCC122
CCA32
CCG9
Thr T7.5%
ACU54
ACC119
ACA102
ACG12
Ala A9.5%
GCU72
GCC160
GCA111
GCG18
Tyr Y3.0%
UAU43
UAC71
His H2.7%
CAU31
CAC73
Gln Q2.8%
CAA81
CAG24
Asn N2.8%
AAU29
AAC76
Lys K2.0%
AAA55
AAG23
Asp D2.0%
GAU10
GAC65
Glu E2.5%
GAA56
GAG40
Cys C0.9%
UGU11
UGC24
Trp W3.0%
UGA82
UGG33
Arg R2.0%
CGU16
CGC16
CGA34
CGG12
Gly G6.4%
GGU27
GGC99
GGA61
GGG58
Stop 0.2%
UAA4
UAG1
AGA1
AGG1
Genome map
38 annotated features in NC_015654.1Hover, 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 (47.2%, 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 |
|---|---|---|---|---|---|---|
| ND1 | Protein-coding gene | 1 | 975 | 975 bp | + | 47.9% |
| tRNA-Ile | Transfer RNA | 980 | 1,049 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 1,049 | 1,120 | 72 bp | − | – |
| tRNA-Met | Transfer RNA | 1,120 | 1,188 | 69 bp | + | – |
| ND2 | Protein-coding gene | 1,189 | 2,234 | 1,046 bp | + | 49.6% |
| tRNA-Trp | Transfer RNA | 2,235 | 2,305 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 2,307 | 2,375 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 2,377 | 2,449 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 2,485 | 2,551 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 2,552 | 2,619 | 68 bp | − | – |
| COX1 | Protein-coding gene | 2,621 | 4,171 | 1,551 bp | + | 48.6% |
| tRNA-Ser (UCN) | Transfer RNA | 4,172 | 4,242 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 4,244 | 4,314 | 71 bp | + | – |
| COX2 | Protein-coding gene | 4,317 | 5,007 | 691 bp | + | 46.7% |
| tRNA-Lys | Transfer RNA | 5,008 | 5,081 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 5,083 | 5,250 | 168 bp | + | 43.5% |
| ATP6 | Protein-coding gene | 5,229 | 5,924 | 696 bp | + | 46.3% |
| COX3 | Protein-coding gene | 5,962 | 6,746 | 785 bp | + | 47.9% |
| tRNA-Gly | Transfer RNA | 6,747 | 6,816 | 70 bp | + | – |
| ND3 | Protein-coding gene | 6,817 | 7,165 | 349 bp | + | 49.6% |
| tRNA-Arg | Transfer RNA | 7,166 | 7,234 | 69 bp | + | – |
| ND4L | Protein-coding gene | 7,235 | 7,531 | 297 bp | + | 48.8% |
| ND4 | Protein-coding gene | 7,525 | 8,905 | 1,381 bp | + | 46.3% |
| tRNA-His | Transfer RNA | 8,906 | 8,974 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 8,975 | 9,041 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 9,046 | 9,118 | 73 bp | + | – |
| ND5 | Protein-coding gene | 9,119 | 10,960 | 1,842 bp | + | 47.5% |
| CYTB | Protein-coding gene | 11,066 | 12,206 | 1,141 bp | + | 48.7% |
| tRNA-Thr | Transfer RNA | 12,207 | 12,278 | 72 bp | + | – |
| ND6 | Protein-coding gene | 12,452 | 12,976 | 525 bp | − | 50.9% |
| tRNA-Glu | Transfer RNA | 12,977 | 13,045 | 69 bp | − | – |
| tRNA-Pro | Transfer RNA | 13,084 | 13,153 | 70 bp | − | – |
| D-loop | Control region | 13,154 | 14,457 | 1,304 bp | – | 42.4% |
| tRNA-Phe | Transfer RNA | 14,458 | 14,525 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 14,526 | 15,472 | 947 bp | + | 47.4% |
| tRNA-Val | Transfer RNA | 15,473 | 15,544 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 15,545 | 17,237 | 1,693 bp | + | 46.1% |
| tRNA-Leu (UUR) | Transfer RNA | 17,238 | 17,311 | 74 bp | + | – |