Carassius carassius
Crucian carp
GC content
42.24%
Whole genome
Non-coding
997 bp
Including the D-loop
Where Crucian carp sits among 2,335 species
Whole-genome GC content against maximum lifespan. Crucian carp has the 1,598th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,580 bp
- GC skew (G − C) / (G + C)
- −0.242
- AT skew (A − T) / (A + T)
- +0.095
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 genome16,580 bp
Protein-coding11,391 bp
12S rRNA954 bp
16S rRNA1,681 bp
All tRNA1,557 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 43.90% | −0.327 | +0.071 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 44.31% | −0.408 | +0.192 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 43.01% | −0.193 | −0.034 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 40.52% | −0.236 | +0.090 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 36.97% | −0.344 | +0.115 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 37.87% | −0.336 | +0.040 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 44.20% | −0.280 | +0.014 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 39.54% | −0.304 | −0.052 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 45.79% | −0.294 | −0.093 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 40.33% | −0.321 | +0.061 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,824 bp | 39.91% | −0.338 | +0.078 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 45.79% | −0.372 | +0.484 | |||||
| CYTBCytochrome b | 1,141 bp | 42.16% | −0.322 | −0.003 | |||||
| 12S rRNA12S ribosomal RNA | 954 bp | 48.43% | −0.087 | +0.232 | |||||
| 16S rRNA16S ribosomal RNA | 1,681 bp | 43.19% | −0.055 | +0.282 |
Codon usage
Counts per codon, darker is more frequent3,801 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.0%
UUU108
UUC120
Leu L16.5%
UUA126
UUG11
CUU99
CUC84
CUA264
CUG44
Ile I7.6%
AUU198
AUC90
Met M4.6%
AUA129
AUG47
Val V6.0%
GUU65
GUC23
GUA115
GUG26
Ser S6.2%
UCU33
UCC61
UCA86
UCG5
AGU14
AGC35
Pro P5.5%
CCU28
CCC55
CCA121
CCG6
Thr T7.9%
ACU44
ACC93
ACA146
ACG17
Ala A8.8%
GCU71
GCC131
GCA129
GCG4
Tyr Y3.0%
UAU59
UAC55
His H2.7%
CAU26
CAC78
Gln Q2.7%
CAA95
CAG6
Asn N3.2%
AAU47
AAC76
Lys K2.0%
AAA69
AAG8
Asp D2.0%
GAU21
GAC55
Glu E2.6%
GAA92
GAG8
Cys C0.7%
UGU5
UGC20
Trp W3.2%
UGA109
UGG11
Arg R2.0%
CGU11
CGC9
CGA52
CGG4
Gly G6.6%
GGU31
GGC46
GGA141
GGG32
Stop 0.2%
UAA5
UAG2
AGA0
AGG0
Genome map
37 annotated features in NC_006291.1Hover, 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
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (42.2%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 37 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 924 | 992 | 69 bp | + | – |
| 12S rRNA | Ribosomal RNA | 993 | 1,946 | 954 bp | + | 48.4% |
| tRNA-Val | Transfer RNA | 1,947 | 2,018 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 2,019 | 3,699 | 1,681 bp | + | 43.2% |
| tRNA-Leu (UUR) | Transfer RNA | 3,700 | 3,777 | 78 bp | + | – |
| ND1 | Protein-coding gene | 3,778 | 4,752 | 975 bp | + | 43.9% |
| tRNA-Ile | Transfer RNA | 4,756 | 4,829 | 74 bp | + | – |
| tRNA-Gln | Transfer RNA | 4,827 | 4,897 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 4,899 | 4,967 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,968 | 6,012 | 1,045 bp | + | 44.3% |
| tRNA-Trp | Transfer RNA | 6,013 | 6,083 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 6,086 | 6,154 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 6,156 | 6,228 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 6,261 | 6,331 | 71 bp | − | – |
| tRNA-Tyr | Transfer RNA | 6,330 | 6,400 | 71 bp | − | – |
| COX1 | Protein-coding gene | 6,402 | 7,952 | 1,551 bp | + | 43.0% |
| tRNA-Ser (UCN) | Transfer RNA | 7,953 | 8,023 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 8,027 | 8,089 | 63 bp | + | – |
| COX2 | Protein-coding gene | 8,111 | 8,801 | 691 bp | + | 40.5% |
| tRNA-Lys | Transfer RNA | 8,802 | 8,877 | 76 bp | + | – |
| ATP8 | Protein-coding gene | 8,879 | 9,043 | 165 bp | + | 37.0% |
| ATP6 | Protein-coding gene | 9,037 | 9,720 | 684 bp | + | 37.9% |
| COX3 | Protein-coding gene | 9,720 | 10,504 | 785 bp | + | 44.2% |
| tRNA-Gly | Transfer RNA | 10,505 | 10,576 | 72 bp | + | – |
| ND3 | Protein-coding gene | 10,577 | 10,925 | 349 bp | + | 39.5% |
| tRNA-Arg | Transfer RNA | 10,926 | 10,995 | 70 bp | + | – |
| ND4L | Protein-coding gene | 10,996 | 11,292 | 297 bp | + | 45.8% |
| ND4 | Protein-coding gene | 11,286 | 12,666 | 1,381 bp | + | 40.3% |
| tRNA-His | Transfer RNA | 12,667 | 12,735 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 12,736 | 12,804 | 69 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 12,806 | 12,878 | 73 bp | + | – |
| ND5 | Protein-coding gene | 12,882 | 14,705 | 1,824 bp | + | 39.9% |
| ND6 | Protein-coding gene | 14,702 | 15,223 | 522 bp | − | 45.8% |
| tRNA-Glu | Transfer RNA | 15,224 | 15,292 | 69 bp | − | – |
| CYTB | Protein-coding gene | 15,298 | 16,438 | 1,141 bp | + | 42.2% |
| tRNA-Thr | Transfer RNA | 16,439 | 16,510 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 16,509 | 16,580 | 72 bp | − | – |