Arius maculatus
Spotted catfish
GC content
44.95%
Whole genome
Non-coding
1,142 bp
D-loop 1,076 bp
Where Spotted catfish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Spotted catfish has the 1,863rd longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,710 bp
- GC skew (G − C) / (G + C)
- −0.319
- AT skew (A − T) / (A + T)
- +0.076
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an observed animal, origin not stated
- Data quality
- questionable
- 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 genome16,710 bp
Protein-coding11,381 bp
12S rRNA958 bp
16S rRNA1,675 bp
All tRNA1,554 bp
D-loop1,076 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 47.08% | −0.416 | +0.008 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 45.74% | −0.515 | +0.171 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 44.36% | −0.215 | −0.043 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 42.11% | −0.299 | +0.050 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 38.69% | −0.415 | +0.126 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 42.69% | −0.479 | +0.046 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 47.19% | −0.297 | −0.024 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 45.85% | −0.388 | −0.122 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 49.83% | −0.351 | +0.034 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 45.84% | −0.384 | +0.045 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,827 bp | 43.13% | −0.439 | +0.055 | |||||
| ND6NADH dehydrogenase subunit 6 | 513 bp | 47.76% | −0.551 | +0.493 | |||||
| CYTBCytochrome b | 1,138 bp | 46.40% | −0.409 | −0.010 | |||||
| 12S rRNA12S ribosomal RNA | 958 bp | 49.17% | −0.142 | +0.216 | |||||
| 16S rRNA16S ribosomal RNA | 1,675 bp | 46.15% | −0.149 | +0.248 | |||||
| D-loopControl region (D-loop) | 1,076 bp | 37.45% | −0.231 | −0.058 |
Codon usage
Counts per codon, darker is more frequent3,799 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.9%
UUU94
UUC130
Leu L17.1%
UUA102
UUG17
CUU78
CUC138
CUA274
CUG41
Ile I8.1%
AUU151
AUC156
Met M4.4%
AUA120
AUG46
Val V5.4%
GUU55
GUC51
GUA77
GUG23
Ser S6.1%
UCU27
UCC86
UCA70
UCG5
AGU6
AGC38
Pro P5.7%
CCU38
CCC90
CCA86
CCG4
Thr T7.7%
ACU54
ACC121
ACA113
ACG4
Ala A8.8%
GCU67
GCC161
GCA100
GCG8
Tyr Y3.0%
UAU42
UAC72
His H2.8%
CAU23
CAC84
Gln Q2.6%
CAA86
CAG12
Asn N3.3%
AAU46
AAC79
Lys K2.1%
AAA75
AAG3
Asp D2.1%
GAU25
GAC53
Glu E2.6%
GAA83
GAG15
Cys C0.7%
UGU12
UGC15
Trp W3.2%
UGA99
UGG23
Arg R1.9%
CGU7
CGC16
CGA39
CGG11
Gly G6.3%
GGU24
GGC88
GGA102
GGG27
Stop 0.2%
UAA6
UAG1
AGA0
AGG0
Genome map
38 annotated features in NC_045222.1Hover, 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 (44.9%, 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 | 70 | 70 bp | + | – |
| 12S rRNA | Ribosomal RNA | 71 | 1,028 | 958 bp | + | 49.2% |
| tRNA-Val | Transfer RNA | 1,029 | 1,100 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,101 | 2,775 | 1,675 bp | + | 46.2% |
| tRNA-Leu (UUR) | Transfer RNA | 2,776 | 2,850 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,852 | 3,826 | 975 bp | + | 47.1% |
| tRNA-Ile | Transfer RNA | 3,828 | 3,899 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,899 | 3,969 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,969 | 4,038 | 70 bp | + | – |
| ND2 | Protein-coding gene | 4,039 | 5,083 | 1,045 bp | + | 45.7% |
| tRNA-Trp | Transfer RNA | 5,084 | 5,154 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,157 | 5,225 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,227 | 5,299 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,331 | 5,396 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,398 | 5,467 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,469 | 7,019 | 1,551 bp | + | 44.4% |
| tRNA-Ser (UCN) | Transfer RNA | 7,020 | 7,090 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,095 | 7,163 | 69 bp | + | – |
| COX2 | Protein-coding gene | 7,178 | 7,868 | 691 bp | + | 42.1% |
| tRNA-Lys | Transfer RNA | 7,869 | 7,942 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,944 | 8,111 | 168 bp | + | 38.7% |
| ATP6 | Protein-coding gene | 8,102 | 8,785 | 684 bp | + | 42.7% |
| COX3 | Protein-coding gene | 8,785 | 9,568 | 784 bp | + | 47.2% |
| tRNA-Gly | Transfer RNA | 9,569 | 9,641 | 73 bp | + | – |
| ND3 | Protein-coding gene | 9,642 | 9,990 | 349 bp | + | 45.9% |
| tRNA-Arg | Transfer RNA | 9,991 | 10,061 | 71 bp | + | – |
| ND4L | Protein-coding gene | 10,062 | 10,358 | 297 bp | + | 49.8% |
| ND4 | Protein-coding gene | 10,352 | 11,732 | 1,381 bp | + | 45.8% |
| tRNA-His | Transfer RNA | 11,733 | 11,802 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,803 | 11,869 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,878 | 11,950 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,951 | 13,777 | 1,827 bp | + | 43.1% |
| ND6 | Protein-coding gene | 13,774 | 14,286 | 513 bp | − | 47.8% |
| tRNA-Glu | Transfer RNA | 14,287 | 14,355 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,357 | 15,494 | 1,138 bp | + | 46.4% |
| tRNA-Thr | Transfer RNA | 15,495 | 15,566 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,565 | 15,634 | 70 bp | − | – |
| D-loop | Control region | 15,635 | 16,710 | 1,076 bp | – | 37.5% |