Neosalanx taihuensis
Yangtze icefish
GC content
50.30%
Whole genome
Non-coding
944 bp
D-loop 885 bp
Where Yangtze icefish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Yangtze icefish has the 2,317th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,549 bp
- GC skew (G − C) / (G + C)
- −0.266
- AT skew (A − T) / (A + T)
- +0.015
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an animal in the wild
- 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 genome16,549 bp
Protein-coding11,397 bp
12S rRNA944 bp
16S rRNA1,713 bp
All tRNA1,551 bp
D-loop885 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 51.59% | −0.356 | −0.093 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,051 bp | 53.76% | −0.395 | −0.016 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 51.77% | −0.225 | −0.102 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 47.18% | −0.270 | +0.047 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 44.05% | −0.459 | +0.128 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 49.56% | −0.410 | −0.061 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 51.59% | −0.264 | −0.068 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 53.30% | −0.290 | −0.264 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 54.88% | −0.362 | −0.119 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 52.93% | −0.341 | −0.055 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,824 bp | 51.37% | −0.370 | −0.044 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 54.60% | −0.389 | +0.477 | |||||
| CYTBCytochrome b | 1,141 bp | 51.18% | −0.315 | −0.145 | |||||
| 12S rRNA12S ribosomal RNA | 944 bp | 50.85% | −0.075 | +0.172 | |||||
| 16S rRNA16S ribosomal RNA | 1,713 bp | 48.04% | −0.081 | +0.218 | |||||
| D-loopControl region (D-loop) | 885 bp | 40.11% | −0.228 | +0.015 |
Codon usage
Counts per codon, darker is more frequent3,804 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.3%
UUU75
UUC163
Leu L16.6%
UUA58
UUG26
CUU110
CUC231
CUA121
CUG86
Ile I6.8%
AUU87
AUC172
Met M3.9%
AUA76
AUG72
Val V6.4%
GUU57
GUC79
GUA63
GUG44
Ser S6.8%
UCU55
UCC91
UCA43
UCG9
AGU1
AGC59
Pro P5.8%
CCU46
CCC128
CCA33
CCG12
Thr T7.1%
ACU55
ACC128
ACA69
ACG17
Ala A10.0%
GCU84
GCC197
GCA76
GCG25
Tyr Y2.9%
UAU32
UAC77
His H2.7%
CAU20
CAC83
Gln Q2.5%
CAA70
CAG26
Asn N2.8%
AAU21
AAC85
Lys K1.9%
AAA56
AAG16
Asp D2.1%
GAU9
GAC70
Glu E2.8%
GAA71
GAG35
Cys C0.9%
UGU9
UGC27
Trp W3.2%
UGA92
UGG29
Arg R2.0%
CGU5
CGC19
CGA37
CGG16
Gly G6.4%
GGU11
GGC97
GGA59
GGG77
Stop 0.2%
UAA5
UAG2
AGA0
AGG0
Genome map
38 annotated features in NC_019629.1Hover, 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 (50.3%, 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 | 1,012 | 944 bp | + | 50.9% |
| tRNA-Val | Transfer RNA | 1,013 | 1,083 | 71 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,084 | 2,796 | 1,713 bp | + | 48.0% |
| tRNA-Leu (UUR) | Transfer RNA | 2,797 | 2,870 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,871 | 3,845 | 975 bp | + | 51.6% |
| tRNA-Ile | Transfer RNA | 3,848 | 3,919 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,919 | 3,989 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,989 | 4,057 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,062 | 5,112 | 1,051 bp | + | 53.8% |
| tRNA-Trp | Transfer RNA | 5,113 | 5,184 | 72 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,186 | 5,254 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,256 | 5,328 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,356 | 5,420 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,421 | 5,488 | 68 bp | − | – |
| COX1 | Protein-coding gene | 5,490 | 7,040 | 1,551 bp | + | 51.8% |
| tRNA-Ser (UCN) | Transfer RNA | 7,041 | 7,111 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,116 | 7,188 | 73 bp | + | – |
| COX2 | Protein-coding gene | 7,203 | 7,893 | 691 bp | + | 47.2% |
| tRNA-Lys | Transfer RNA | 7,894 | 7,968 | 75 bp | + | – |
| ATP8 | Protein-coding gene | 7,970 | 8,137 | 168 bp | + | 44.1% |
| ATP6 | Protein-coding gene | 8,128 | 8,811 | 684 bp | + | 49.6% |
| COX3 | Protein-coding gene | 8,811 | 9,595 | 785 bp | + | 51.6% |
| tRNA-Gly | Transfer RNA | 9,596 | 9,666 | 71 bp | + | – |
| ND3 | Protein-coding gene | 9,667 | 10,015 | 349 bp | + | 53.3% |
| tRNA-Arg | Transfer RNA | 10,016 | 10,085 | 70 bp | + | – |
| ND4L | Protein-coding gene | 10,086 | 10,382 | 297 bp | + | 54.9% |
| ND4 | Protein-coding gene | 10,376 | 11,756 | 1,381 bp | + | 52.9% |
| tRNA-His | Transfer RNA | 11,757 | 11,825 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,826 | 11,893 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,895 | 11,967 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,968 | 13,791 | 1,824 bp | + | 51.4% |
| ND6 | Protein-coding gene | 13,788 | 14,309 | 522 bp | − | 54.6% |
| tRNA-Glu | Transfer RNA | 14,310 | 14,379 | 70 bp | − | – |
| CYTB | Protein-coding gene | 14,383 | 15,523 | 1,141 bp | + | 51.2% |
| tRNA-Thr | Transfer RNA | 15,524 | 15,595 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,595 | 15,664 | 70 bp | − | – |
| D-loop | Control region | 15,665 | 16,549 | 885 bp | – | 40.1% |