Negaprion brevirostris
Lemon shark
GC content
38.33%
Whole genome
Non-coding
1,193 bp
Including the D-loop
Where Lemon shark sits among 2,335 species
Whole-genome GC content against maximum lifespan. Lemon shark has the 912th longest lifespan of them.
- This species
- Other sharks and rays
- Other classes
Base composition
Whole genome16,759 bp
- GC skew (G − C) / (G + C)
- −0.313
- AT skew (A − T) / (A + T)
- +0.020
Life history
- Maximum lifespan
- 20 years
- Adult weight
- 101 kg
- Female sexual maturity
- 12.7 years
- Litter or clutch size
- 7.4
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 01765)
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in the wild
- Data quality
- acceptable, medium sample
- Licence
- Free to use, subject to the Human Ageing Genomic Resources conditions of use
- Status
- New in build 2
- In the database since
- build 2 (2026-11-13)
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome16,759 bp
Protein-coding11,407 bp
12S rRNA958 bp
16S rRNA1,653 bp
All tRNA1,552 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 39.39% | −0.443 | −0.005 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 39.43% | −0.544 | +0.049 | |||||
| COX1Cytochrome c oxidase subunit I | 1,557 bp | 38.09% | −0.197 | −0.110 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 37.19% | −0.222 | +0.028 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 29.17% | −0.592 | +0.092 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 35.97% | −0.455 | −0.018 | |||||
| COX3Cytochrome c oxidase subunit III | 786 bp | 41.22% | −0.247 | −0.048 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 39.83% | −0.295 | −0.124 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 42.42% | −0.444 | −0.123 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 39.10% | −0.470 | +0.004 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,830 bp | 38.09% | −0.484 | +0.013 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 37.74% | −0.584 | +0.366 | |||||
| CYTBCytochrome b | 1,145 bp | 39.21% | −0.385 | −0.080 | |||||
| 12S rRNA12S ribosomal RNA | 958 bp | 41.65% | −0.123 | +0.166 | |||||
| 16S rRNA16S ribosomal RNA | 1,653 bp | 36.66% | −0.089 | +0.142 |
Codon usage
Counts per codon, darker is more frequent3,808 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.4%
UUU114
UUC129
Leu L17.3%
UUA187
UUG11
CUU138
CUC125
CUA188
CUG8
Ile I9.2%
AUU203
AUC147
Met M4.3%
AUA135
AUG29
Val V4.3%
GUU57
GUC28
GUA70
GUG10
Ser S7.1%
UCU50
UCC61
UCA101
UCG4
AGU22
AGC34
Pro P5.6%
CCU63
CCC46
CCA104
CCG2
Thr T7.5%
ACU82
ACC83
ACA121
ACG1
Ala A7.3%
GCU88
GCC90
GCA97
GCG4
Tyr Y3.1%
UAU79
UAC40
His H2.7%
CAU52
CAC51
Gln Q2.5%
CAA92
CAG2
Asn N4.0%
AAU56
AAC95
Lys K2.2%
AAA82
AAG3
Asp D1.9%
GAU36
GAC36
Glu E2.6%
GAA96
GAG2
Cys C0.6%
UGU12
UGC11
Trp W3.2%
UGA118
UGG5
Arg R1.9%
CGU16
CGC13
CGA43
CGG1
Gly G6.0%
GGU72
GGC44
GGA99
GGG12
Stop 0.2%
UAA7
UAG0
AGA0
AGG1
Genome map
37 annotated features in NC_072260.1Hover, 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 (38.3%, 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-Met | Transfer RNA | 37 | 105 | 69 bp | + | – |
| ND2 | Protein-coding gene | 106 | 1,150 | 1,045 bp | + | 39.4% |
| tRNA-Trp | Transfer RNA | 1,151 | 1,221 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 1,223 | 1,291 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 1,292 | 1,364 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 1,400 | 1,467 | 68 bp | − | – |
| tRNA-Tyr | Transfer RNA | 1,469 | 1,537 | 69 bp | − | – |
| COX1 | Protein-coding gene | 1,539 | 3,095 | 1,557 bp | + | 38.1% |
| tRNA-Ser (UCN) | Transfer RNA | 3,096 | 3,166 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 3,170 | 3,239 | 70 bp | + | – |
| COX2 | Protein-coding gene | 3,247 | 3,937 | 691 bp | + | 37.2% |
| tRNA-Lys | Transfer RNA | 3,938 | 4,011 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 4,013 | 4,180 | 168 bp | + | 29.2% |
| ATP6 | Protein-coding gene | 4,171 | 4,854 | 684 bp | + | 36.0% |
| COX3 | Protein-coding gene | 4,854 | 5,639 | 786 bp | + | 41.2% |
| tRNA-Gly | Transfer RNA | 5,642 | 5,711 | 70 bp | + | – |
| ND3 | Protein-coding gene | 5,712 | 6,060 | 349 bp | + | 39.8% |
| tRNA-Arg | Transfer RNA | 6,061 | 6,130 | 70 bp | + | – |
| ND4L | Protein-coding gene | 6,131 | 6,427 | 297 bp | + | 42.4% |
| ND4 | Protein-coding gene | 6,421 | 7,801 | 1,381 bp | + | 39.1% |
| tRNA-His | Transfer RNA | 7,802 | 7,870 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 7,871 | 7,937 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 7,938 | 8,009 | 72 bp | + | – |
| ND5 | Protein-coding gene | 8,010 | 9,839 | 1,830 bp | + | 38.1% |
| ND6 | Protein-coding gene | 9,835 | 10,356 | 522 bp | − | 37.7% |
| tRNA-Glu | Transfer RNA | 10,357 | 10,426 | 70 bp | − | – |
| CYTB | Protein-coding gene | 10,429 | 11,573 | 1,145 bp | + | 39.2% |
| tRNA-Thr | Transfer RNA | 11,574 | 11,645 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 11,648 | 11,716 | 69 bp | − | – |
| tRNA-Phe | Transfer RNA | 12,793 | 12,862 | 70 bp | + | – |
| 12S rRNA | Ribosomal RNA | 12,864 | 13,821 | 958 bp | + | 41.7% |
| tRNA-Val | Transfer RNA | 13,819 | 13,890 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 13,915 | 15,567 | 1,653 bp | + | 36.7% |
| tRNA-Leu (UUR) | Transfer RNA | 15,567 | 15,641 | 75 bp | + | – |
| ND1 | Protein-coding gene | 15,642 | 16,616 | 975 bp | + | 39.4% |
| tRNA-Ile | Transfer RNA | 16,617 | 16,686 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 16,688 | 16,759 | 72 bp | − | – |