Tandanus tandanus
Australian freshwater catfish
GC content
43.77%
Whole genome
Non-coding
928 bp
D-loop 868 bp
Where Australian freshwater catfish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Australian freshwater catfish has the 1,775th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,476 bp
- GC skew (G − C) / (G + C)
- −0.282
- AT skew (A − T) / (A + T)
- +0.092
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 genome16,476 bp
Protein-coding11,375 bp
12S rRNA950 bp
16S rRNA1,672 bp
All tRNA1,551 bp
D-loop868 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 43.18% | −0.340 | +0.061 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 44.12% | −0.427 | +0.151 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 45.46% | −0.186 | −0.031 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 43.42% | −0.307 | +0.074 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 38.10% | −0.500 | +0.096 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 41.08% | −0.402 | +0.017 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 46.30% | −0.300 | +0.026 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 45.27% | −0.266 | −0.099 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 51.52% | −0.346 | −0.069 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 44.32% | −0.356 | +0.085 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,818 bp | 41.03% | −0.386 | +0.090 | |||||
| ND6NADH dehydrogenase subunit 6 | 516 bp | 44.77% | −0.576 | +0.467 | |||||
| CYTBCytochrome b | 1,138 bp | 42.79% | −0.363 | −0.051 | |||||
| 12S rRNA12S ribosomal RNA | 950 bp | 47.79% | −0.119 | +0.242 | |||||
| 16S rRNA16S ribosomal RNA | 1,672 bp | 43.90% | −0.106 | +0.256 | |||||
| D-loopControl region (D-loop) | 868 bp | 38.59% | −0.200 | −0.032 |
Codon usage
Counts per codon, darker is more frequent3,797 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.0%
UUU122
UUC104
Leu L16.2%
UUA110
UUG24
CUU94
CUC89
CUA254
CUG43
Ile I8.0%
AUU185
AUC119
Met M4.9%
AUA141
AUG45
Val V5.4%
GUU48
GUC37
GUA92
GUG29
Ser S6.1%
UCU27
UCC61
UCA86
UCG5
AGU13
AGC38
Pro P5.7%
CCU24
CCC86
CCA100
CCG7
Thr T8.2%
ACU34
ACC122
ACA154
ACG3
Ala A9.0%
GCU51
GCC161
GCA119
GCG12
Tyr Y2.8%
UAU56
UAC52
His H2.9%
CAU28
CAC82
Gln Q2.6%
CAA82
CAG16
Asn N3.2%
AAU53
AAC68
Lys K2.1%
AAA70
AAG11
Asp D1.9%
GAU22
GAC50
Glu E2.6%
GAA76
GAG22
Cys C0.7%
UGU14
UGC14
Trp W3.1%
UGA95
UGG22
Arg R2.0%
CGU5
CGC18
CGA46
CGG7
Gly G6.4%
GGU31
GGC88
GGA84
GGG39
Stop 0.2%
UAA7
UAG0
AGA0
AGG0
Genome map
38 annotated features in NC_081038.1Hover, 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 (43.8%, 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 | 69 | 69 bp | + | – |
| 12S rRNA | Ribosomal RNA | 70 | 1,019 | 950 bp | + | 47.8% |
| tRNA-Val | Transfer RNA | 1,020 | 1,091 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,092 | 2,763 | 1,672 bp | + | 43.9% |
| tRNA-Leu (UUR) | Transfer RNA | 2,764 | 2,838 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,839 | 3,813 | 975 bp | + | 43.2% |
| tRNA-Ile | Transfer RNA | 3,815 | 3,886 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,886 | 3,956 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,956 | 4,024 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,025 | 5,069 | 1,045 bp | + | 44.1% |
| tRNA-Trp | Transfer RNA | 5,070 | 5,140 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,141 | 5,209 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,211 | 5,283 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,316 | 5,381 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,385 | 5,457 | 73 bp | − | – |
| COX1 | Protein-coding gene | 5,459 | 7,009 | 1,551 bp | + | 45.5% |
| tRNA-Ser (UCN) | Transfer RNA | 7,010 | 7,080 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,085 | 7,153 | 69 bp | + | – |
| COX2 | Protein-coding gene | 7,168 | 7,858 | 691 bp | + | 43.4% |
| tRNA-Lys | Transfer RNA | 7,859 | 7,932 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,934 | 8,101 | 168 bp | + | 38.1% |
| ATP6 | Protein-coding gene | 8,092 | 8,775 | 684 bp | + | 41.1% |
| COX3 | Protein-coding gene | 8,775 | 9,558 | 784 bp | + | 46.3% |
| tRNA-Gly | Transfer RNA | 9,559 | 9,630 | 72 bp | + | – |
| ND3 | Protein-coding gene | 9,631 | 9,979 | 349 bp | + | 45.3% |
| tRNA-Arg | Transfer RNA | 9,980 | 10,048 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,049 | 10,345 | 297 bp | + | 51.5% |
| ND4 | Protein-coding gene | 10,339 | 11,719 | 1,381 bp | + | 44.3% |
| tRNA-His | Transfer RNA | 11,720 | 11,788 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,789 | 11,855 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,856 | 11,928 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,929 | 13,746 | 1,818 bp | + | 41.0% |
| ND6 | Protein-coding gene | 13,743 | 14,258 | 516 bp | − | 44.8% |
| tRNA-Glu | Transfer RNA | 14,259 | 14,327 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,331 | 15,468 | 1,138 bp | + | 42.8% |
| tRNA-Thr | Transfer RNA | 15,469 | 15,540 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,539 | 15,608 | 70 bp | − | – |
| D-loop | Control region | 15,609 | 16,476 | 868 bp | – | 38.6% |