Symphurus plagiusa
Blackcheek tonguefish
GC content
46.77%
Whole genome
Non-coding
1,187 bp
Including the D-loop
Where Blackcheek tonguefish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Blackcheek tonguefish has the 2,054th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,771 bp
- GC skew (G − C) / (G + C)
- −0.234
- AT skew (A − T) / (A + T)
- +0.008
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an observed animal, origin not stated
- 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 genome16,771 bp
Protein-coding11,397 bp
12S rRNA947 bp
16S rRNA1,711 bp
All tRNA1,529 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 48.51% | −0.264 | −0.116 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,053 bp | 47.96% | −0.398 | +0.015 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 46.94% | −0.157 | −0.098 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 44.86% | −0.213 | +0.013 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 43.45% | −0.479 | −0.011 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 48.39% | −0.347 | −0.093 | |||||
| COX3Cytochrome c oxidase subunit III | 789 bp | 50.57% | −0.193 | −0.123 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 46.99% | −0.341 | −0.222 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 50.17% | −0.369 | −0.108 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 46.71% | −0.315 | −0.103 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,821 bp | 46.51% | −0.299 | −0.027 | |||||
| ND6NADH dehydrogenase subunit 6 | 519 bp | 49.90% | −0.367 | +0.446 | |||||
| CYTBCytochrome b | 1,140 bp | 50.88% | −0.314 | −0.046 | |||||
| 12S rRNA12S ribosomal RNA | 947 bp | 48.36% | −0.057 | +0.141 | |||||
| 16S rRNA16S ribosomal RNA | 1,711 bp | 46.06% | −0.109 | +0.179 |
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 F6.4%
UUU123
UUC120
Leu L16.9%
UUA74
UUG20
CUU153
CUC158
CUA141
CUG98
Ile I7.3%
AUU141
AUC137
Met M4.3%
AUA85
AUG77
Val V6.2%
GUU64
GUC63
GUA66
GUG44
Ser S6.9%
UCU45
UCC73
UCA63
UCG14
AGU10
AGC57
Pro P5.7%
CCU48
CCC103
CCA51
CCG14
Thr T7.2%
ACU50
ACC102
ACA103
ACG20
Ala A9.0%
GCU57
GCC151
GCA110
GCG25
Tyr Y2.7%
UAU45
UAC56
His H2.9%
CAU21
CAC89
Gln Q2.3%
CAA66
CAG23
Asn N3.0%
AAU42
AAC71
Lys K2.0%
AAA53
AAG23
Asp D2.0%
GAU23
GAC53
Glu E2.4%
GAA63
GAG28
Cys C1.1%
UGU11
UGC32
Trp W3.1%
UGA91
UGG27
Arg R1.8%
CGU4
CGC13
CGA38
CGG14
Gly G6.5%
GGU25
GGC84
GGA73
GGG67
Stop 0.3%
UAA8
UAG1
AGA1
AGG0
Genome map
37 annotated features in NC_083036.1Hover, 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 (46.8%, 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 | 1 | 69 | 69 bp | + | – |
| 12S rRNA | Ribosomal RNA | 70 | 1,016 | 947 bp | + | 48.4% |
| tRNA-Val | Transfer RNA | 1,017 | 1,086 | 70 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,087 | 2,797 | 1,711 bp | + | 46.1% |
| tRNA-Leu (UUR) | Transfer RNA | 2,798 | 2,870 | 73 bp | + | – |
| ND1 | Protein-coding gene | 2,871 | 3,845 | 975 bp | + | 48.5% |
| tRNA-Ile | Transfer RNA | 3,848 | 3,917 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,916 | 3,986 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,986 | 4,054 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,179 | 5,231 | 1,053 bp | + | 48.0% |
| tRNA-Trp | Transfer RNA | 5,274 | 5,343 | 70 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,344 | 5,412 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,413 | 5,483 | 71 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,486 | 5,550 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,554 | 5,620 | 67 bp | − | – |
| COX1 | Protein-coding gene | 5,622 | 7,172 | 1,551 bp | + | 46.9% |
| tRNA-Ser (UCN) | Transfer RNA | 7,173 | 7,243 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,263 | 7,331 | 69 bp | + | – |
| COX2 | Protein-coding gene | 7,336 | 8,026 | 691 bp | + | 44.9% |
| tRNA-Lys | Transfer RNA | 8,027 | 8,102 | 76 bp | + | – |
| ATP8 | Protein-coding gene | 8,104 | 8,271 | 168 bp | + | 43.5% |
| ATP6 | Protein-coding gene | 8,262 | 8,945 | 684 bp | + | 48.4% |
| COX3 | Protein-coding gene | 8,948 | 9,736 | 789 bp | + | 50.6% |
| tRNA-Gly | Transfer RNA | 9,802 | 9,869 | 68 bp | + | – |
| ND3 | Protein-coding gene | 9,870 | 10,218 | 349 bp | + | 47.0% |
| tRNA-Arg | Transfer RNA | 10,219 | 10,287 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,288 | 10,584 | 297 bp | + | 50.2% |
| ND4 | Protein-coding gene | 10,578 | 11,958 | 1,381 bp | + | 46.7% |
| tRNA-His | Transfer RNA | 11,959 | 12,027 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 12,028 | 12,095 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 12,098 | 12,169 | 72 bp | + | – |
| ND5 | Protein-coding gene | 12,170 | 13,990 | 1,821 bp | + | 46.5% |
| ND6 | Protein-coding gene | 13,987 | 14,505 | 519 bp | − | 49.9% |
| tRNA-Glu | Transfer RNA | 14,506 | 14,574 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,577 | 15,716 | 1,140 bp | + | 50.9% |
| tRNA-Thr | Transfer RNA | 15,718 | 15,786 | 69 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,786 | 15,854 | 69 bp | − | – |