Apteronotus albifrons
Black ghost
GC content
43.73%
Whole genome
Non-coding
336 bp
D-loop 210 bp
Where Black ghost sits among 2,335 species
Whole-genome GC content against maximum lifespan. Black ghost has the 1,231st longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome15,897 bp
- GC skew (G − C) / (G + C)
- −0.332
- AT skew (A − T) / (A + T)
- +0.082
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an animal in captivity
- 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 genome15,897 bp
Protein-coding11,398 bp
12S rRNA949 bp
16S rRNA1,674 bp
All tRNA1,545 bp
D-loop210 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 969 bp | 43.24% | −0.413 | +0.025 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,050 bp | 42.57% | −0.499 | +0.095 | |||||
| COX1Cytochrome c oxidase subunit I | 1,560 bp | 43.91% | −0.235 | −0.065 | |||||
| COX2Cytochrome c oxidase subunit II | 681 bp | 41.12% | −0.271 | +0.062 | |||||
| ATP8ATP synthase F0 subunit 8 | 162 bp | 42.59% | −0.507 | +0.118 | |||||
| ATP6ATP synthase F0 subunit 6 | 683 bp | 42.61% | −0.450 | +0.010 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 46.43% | −0.308 | −0.043 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 41.88% | −0.429 | −0.010 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 49.83% | −0.432 | +0.020 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 44.53% | −0.411 | +0.091 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,833 bp | 41.63% | −0.457 | +0.077 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 44.44% | −0.621 | +0.503 | |||||
| CYTBCytochrome b | 1,141 bp | 46.19% | −0.404 | −0.036 | |||||
| 12S rRNA12S ribosomal RNA | 949 bp | 47.31% | −0.122 | +0.200 | |||||
| 16S rRNA16S ribosomal RNA | 1,674 bp | 44.86% | −0.158 | +0.261 | |||||
| D-loopControl region (D-loop) | 210 bp | 20.48% | −0.163 | −0.090 |
Codon usage
Counts per codon, darker is more frequent3,803 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.2%
UUU93
UUC141
Leu L16.8%
UUA121
UUG22
CUU122
CUC130
CUA214
CUG29
Ile I7.7%
AUU166
AUC128
Met M4.4%
AUA140
AUG27
Val V4.9%
GUU50
GUC38
GUA80
GUG17
Ser S6.5%
UCU43
UCC76
UCA75
UCG3
AGU8
AGC43
Pro P5.7%
CCU23
CCC64
CCA118
CCG12
Thr T8.5%
ACU55
ACC128
ACA135
ACG7
Ala A8.8%
GCU73
GCC158
GCA96
GCG7
Tyr Y3.1%
UAU50
UAC68
His H2.7%
CAU31
CAC73
Gln Q2.4%
CAA87
CAG3
Asn N3.2%
AAU34
AAC87
Lys K2.2%
AAA75
AAG8
Asp D1.9%
GAU22
GAC50
Glu E2.7%
GAA89
GAG12
Cys C0.8%
UGU9
UGC20
Trp W3.2%
UGA113
UGG7
Arg R2.1%
CGU10
CGC19
CGA43
CGG6
Gly G6.2%
GGU44
GGC68
GGA90
GGG34
Stop 0.2%
UAA6
UAG1
AGA2
AGG0
Genome map
38 annotated features in NC_004692.1Hover, 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 (43.7%, 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 | 1,018 | 949 bp | + | 47.3% |
| tRNA-Val | Transfer RNA | 1,019 | 1,090 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,091 | 2,764 | 1,674 bp | + | 44.9% |
| tRNA-Leu (UUR) | Transfer RNA | 2,765 | 2,839 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,842 | 3,810 | 969 bp | + | 43.2% |
| tRNA-Ile | Transfer RNA | 3,812 | 3,883 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,882 | 3,952 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,952 | 4,020 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,021 | 5,070 | 1,050 bp | + | 42.6% |
| tRNA-Trp | Transfer RNA | 5,074 | 5,144 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,146 | 5,214 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,216 | 5,288 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,318 | 5,382 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,383 | 5,451 | 69 bp | − | – |
| COX1 | Protein-coding gene | 5,453 | 7,012 | 1,560 bp | + | 43.9% |
| tRNA-Ser (UCN) | Transfer RNA | 7,008 | 7,078 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,084 | 7,152 | 69 bp | + | – |
| COX2 | Protein-coding gene | 7,164 | 7,844 | 681 bp | + | 41.1% |
| tRNA-Lys | Transfer RNA | 7,905 | 7,977 | 73 bp | + | – |
| ATP8 | Protein-coding gene | 7,979 | 8,140 | 162 bp | + | 42.6% |
| ATP6 | Protein-coding gene | 8,137 | 8,819 | 683 bp | + | 42.6% |
| COX3 | Protein-coding gene | 8,820 | 9,603 | 784 bp | + | 46.4% |
| tRNA-Gly | Transfer RNA | 9,604 | 9,674 | 71 bp | + | – |
| ND3 | Protein-coding gene | 9,676 | 10,026 | 351 bp | + | 41.9% |
| tRNA-Arg | Transfer RNA | 10,032 | 10,101 | 70 bp | + | – |
| ND4L | Protein-coding gene | 10,102 | 10,398 | 297 bp | + | 49.8% |
| ND4 | Protein-coding gene | 10,392 | 11,772 | 1,381 bp | + | 44.5% |
| tRNA-His | Transfer RNA | 11,773 | 11,842 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,843 | 11,910 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,911 | 11,983 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,984 | 13,816 | 1,833 bp | + | 41.6% |
| ND6 | Protein-coding gene | 13,812 | 14,333 | 522 bp | − | 44.4% |
| tRNA-Glu | Transfer RNA | 14,334 | 14,402 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,408 | 15,548 | 1,141 bp | + | 46.2% |
| tRNA-Thr | Transfer RNA | 15,549 | 15,619 | 71 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,618 | 15,687 | 70 bp | − | – |
| D-loop | Control region | 15,688 | 15,897 | 210 bp | – | 20.5% |