Macrhybopsis aestivalis
Speckled chub
GC content
41.27%
Whole genome
Non-coding
1,070 bp
Including the D-loop
Where Speckled chub sits among 2,335 species
Whole-genome GC content against maximum lifespan. Speckled chub has the 2,307th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,645 bp
- GC skew (G − C) / (G + C)
- −0.207
- AT skew (A − T) / (A + T)
- +0.030
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 genome16,645 bp
Protein-coding11,402 bp
12S rRNA957 bp
16S rRNA1,657 bp
All tRNA1,559 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 40.72% | −0.259 | −0.052 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 42.01% | −0.371 | +0.030 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 41.26% | −0.163 | −0.093 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 40.81% | −0.234 | +0.056 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 36.36% | −0.467 | +0.124 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 38.74% | −0.291 | −0.060 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 42.99% | −0.199 | −0.065 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 36.10% | −0.222 | −0.067 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 41.08% | −0.295 | −0.051 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 38.52% | −0.282 | −0.029 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,836 bp | 38.78% | −0.289 | +0.018 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 43.30% | −0.336 | +0.318 | |||||
| CYTBCytochrome b | 1,141 bp | 41.72% | −0.269 | −0.059 | |||||
| 12S rRNA12S ribosomal RNA | 957 bp | 49.11% | −0.068 | +0.224 | |||||
| 16S rRNA16S ribosomal RNA | 1,657 bp | 43.75% | −0.037 | +0.223 |
Codon usage
Counts per codon, darker is more frequent3,805 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.1%
UUU130
UUC103
Leu L16.4%
UUA190
UUG19
CUU147
CUC67
CUA176
CUG25
Ile I7.4%
AUU200
AUC81
Met M4.7%
AUA138
AUG41
Val V6.3%
GUU62
GUC36
GUA118
GUG24
Ser S6.2%
UCU46
UCC54
UCA80
UCG4
AGU14
AGC37
Pro P5.6%
CCU57
CCC57
CCA91
CCG8
Thr T7.8%
ACU86
ACC69
ACA131
ACG10
Ala A8.9%
GCU73
GCC119
GCA140
GCG8
Tyr Y3.0%
UAU63
UAC50
His H2.8%
CAU47
CAC58
Gln Q2.6%
CAA92
CAG6
Asn N3.1%
AAU62
AAC57
Lys K2.1%
AAA68
AAG13
Asp D2.0%
GAU33
GAC43
Glu E2.6%
GAA80
GAG19
Cys C0.7%
UGU16
UGC12
Trp W3.1%
UGA102
UGG17
Arg R2.0%
CGU7
CGC16
CGA44
CGG9
Gly G6.4%
GGU43
GGC48
GGA104
GGG48
Stop 0.2%
UAA6
UAG1
AGA0
AGG0
Genome map
37 annotated features in NC_088499.1Hover, 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 (41.3%, 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 | 996 | 1,064 | 69 bp | + | – |
| 12S rRNA | Ribosomal RNA | 1,065 | 2,021 | 957 bp | + | 49.1% |
| tRNA-Val | Transfer RNA | 2,024 | 2,095 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 2,115 | 3,771 | 1,657 bp | + | 43.8% |
| tRNA-Leu (UUR) | Transfer RNA | 3,772 | 3,847 | 76 bp | + | – |
| ND1 | Protein-coding gene | 3,849 | 4,823 | 975 bp | + | 40.7% |
| tRNA-Ile | Transfer RNA | 4,828 | 4,899 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 4,898 | 4,968 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 4,970 | 5,038 | 69 bp | + | – |
| ND2 | Protein-coding gene | 5,039 | 6,083 | 1,045 bp | + | 42.0% |
| tRNA-Trp | Transfer RNA | 6,084 | 6,154 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 6,156 | 6,224 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 6,226 | 6,298 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 6,329 | 6,394 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 6,395 | 6,465 | 71 bp | − | – |
| COX1 | Protein-coding gene | 6,467 | 8,017 | 1,551 bp | + | 41.3% |
| tRNA-Ser (UCN) | Transfer RNA | 8,018 | 8,088 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 8,092 | 8,164 | 73 bp | + | – |
| COX2 | Protein-coding gene | 8,171 | 8,861 | 691 bp | + | 40.8% |
| tRNA-Lys | Transfer RNA | 8,862 | 8,937 | 76 bp | + | – |
| ATP8 | Protein-coding gene | 8,938 | 9,102 | 165 bp | + | 36.4% |
| ATP6 | Protein-coding gene | 9,096 | 9,779 | 684 bp | + | 38.7% |
| COX3 | Protein-coding gene | 9,779 | 10,562 | 784 bp | + | 43.0% |
| tRNA-Gly | Transfer RNA | 10,563 | 10,634 | 72 bp | + | – |
| ND3 | Protein-coding gene | 10,635 | 10,983 | 349 bp | + | 36.1% |
| tRNA-Arg | Transfer RNA | 10,984 | 11,052 | 69 bp | + | – |
| ND4L | Protein-coding gene | 11,053 | 11,349 | 297 bp | + | 41.1% |
| ND4 | Protein-coding gene | 11,343 | 12,723 | 1,381 bp | + | 38.5% |
| tRNA-His | Transfer RNA | 12,724 | 12,792 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 12,793 | 12,861 | 69 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 12,863 | 12,935 | 73 bp | + | – |
| ND5 | Protein-coding gene | 12,936 | 14,771 | 1,836 bp | + | 38.8% |
| ND6 | Protein-coding gene | 14,768 | 15,289 | 522 bp | − | 43.3% |
| tRNA-Glu | Transfer RNA | 15,290 | 15,358 | 69 bp | − | – |
| CYTB | Protein-coding gene | 15,364 | 16,504 | 1,141 bp | + | 41.7% |
| tRNA-Thr | Transfer RNA | 16,505 | 16,576 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 16,576 | 16,645 | 70 bp | − | – |