Pseudocarcharias kamoharai
Crocodile shark
GC content
36.83%
Whole genome
Non-coding
1,146 bp
D-loop 1,071 bp
Where Crocodile shark sits among 2,335 species
Whole-genome GC content against maximum lifespan. Crocodile shark has the 1,741st longest lifespan of them.
- This species
- Other sharks and rays
- Other classes
Base composition
Whole genome16,694 bp
- GC skew (G − C) / (G + C)
- −0.283
- AT skew (A − T) / (A + T)
- +0.015
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 genome16,694 bp
Protein-coding11,400 bp
12S rRNA955 bp
16S rRNA1,668 bp
All tRNA1,529 bp
D-loop1,071 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 38.15% | −0.414 | −0.025 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,043 bp | 36.72% | −0.504 | 0.000 | |||||
| COX1Cytochrome c oxidase subunit I | 1,554 bp | 37.71% | −0.174 | −0.085 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 36.76% | −0.220 | +0.025 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 27.98% | −0.489 | +0.058 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 35.67% | −0.385 | −0.041 | |||||
| COX3Cytochrome c oxidase subunit III | 786 bp | 40.20% | −0.215 | −0.068 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 37.82% | −0.303 | −0.161 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 39.73% | −0.373 | −0.173 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 35.48% | −0.388 | −0.015 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 34.64% | −0.413 | −0.007 | |||||
| ND6NADH dehydrogenase subunit 6 | 525 bp | 36.00% | −0.556 | +0.327 | |||||
| CYTBCytochrome b | 1,144 bp | 38.37% | −0.403 | −0.064 | |||||
| 12S rRNA12S ribosomal RNA | 955 bp | 40.94% | −0.090 | +0.163 | |||||
| 16S rRNA16S ribosomal RNA | 1,668 bp | 35.43% | −0.086 | +0.138 | |||||
| D-loopControl region (D-loop) | 1,071 bp | 34.36% | −0.196 | −0.007 |
Codon usage
Counts per codon, darker is more frequent3,810 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.2%
UUU152
UUC86
Leu L17.4%
UUA244
UUG18
CUU145
CUC88
CUA154
CUG13
Ile I9.2%
AUU238
AUC114
Met M4.9%
AUA163
AUG23
Val V4.2%
GUU48
GUC19
GUA80
GUG13
Ser S7.2%
UCU59
UCC57
UCA101
UCG0
AGU20
AGC36
Pro P5.4%
CCU54
CCC47
CCA103
CCG1
Thr T7.2%
ACU63
ACC82
ACA124
ACG7
Ala A7.2%
GCU66
GCC115
GCA89
GCG6
Tyr Y3.2%
UAU86
UAC37
His H2.7%
CAU54
CAC50
Gln Q2.6%
CAA95
CAG4
Asn N4.1%
AAU91
AAC64
Lys K2.1%
AAA79
AAG1
Asp D1.8%
GAU40
GAC28
Glu E2.8%
GAA97
GAG8
Cys C0.7%
UGU20
UGC5
Trp W3.1%
UGA110
UGG10
Arg R1.9%
CGU12
CGC14
CGA41
CGG5
Gly G5.9%
GGU56
GGC57
GGA93
GGG17
Stop 0.2%
UAA8
UAG0
AGA0
AGG0
Genome map
38 annotated features in NC_026216.1Hover, 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 (36.8%, 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 | 66 | 66 bp | + | – |
| 12S rRNA | Ribosomal RNA | 67 | 1,021 | 955 bp | + | 40.9% |
| tRNA-Val | Transfer RNA | 1,019 | 1,090 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,091 | 2,758 | 1,668 bp | + | 35.4% |
| tRNA-Leu (UUR) | Transfer RNA | 2,758 | 2,832 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,833 | 3,807 | 975 bp | + | 38.2% |
| tRNA-Ile | Transfer RNA | 3,810 | 3,878 | 69 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,887 | 3,948 | 62 bp | − | – |
| tRNA-Met | Transfer RNA | 3,949 | 4,017 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,018 | 5,060 | 1,043 bp | + | 36.7% |
| tRNA-Trp | Transfer RNA | 5,061 | 5,131 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,133 | 5,201 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,202 | 5,274 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,308 | 5,374 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,376 | 5,445 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,447 | 7,000 | 1,554 bp | + | 37.7% |
| tRNA-Ser (UCN) | Transfer RNA | 7,002 | 7,072 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,077 | 7,146 | 70 bp | + | – |
| COX2 | Protein-coding gene | 7,154 | 7,844 | 691 bp | + | 36.8% |
| tRNA-Lys | Transfer RNA | 7,845 | 7,918 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,920 | 8,087 | 168 bp | + | 28.0% |
| ATP6 | Protein-coding gene | 8,078 | 8,761 | 684 bp | + | 35.7% |
| COX3 | Protein-coding gene | 8,761 | 9,546 | 786 bp | + | 40.2% |
| tRNA-Gly | Transfer RNA | 9,549 | 9,618 | 70 bp | + | – |
| ND3 | Protein-coding gene | 9,619 | 9,967 | 349 bp | + | 37.8% |
| tRNA-Arg | Transfer RNA | 9,968 | 10,037 | 70 bp | + | – |
| ND4L | Protein-coding gene | 10,038 | 10,334 | 297 bp | + | 39.7% |
| ND4 | Protein-coding gene | 10,328 | 11,708 | 1,381 bp | + | 35.5% |
| tRNA-His | Transfer RNA | 11,709 | 11,777 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,778 | 11,844 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,845 | 11,916 | 72 bp | + | – |
| ND5 | Protein-coding gene | 11,917 | 13,755 | 1,839 bp | + | 34.6% |
| ND6 | Protein-coding gene | 13,738 | 14,262 | 525 bp | − | 36.0% |
| tRNA-Glu | Transfer RNA | 14,263 | 14,322 | 60 bp | − | – |
| CYTB | Protein-coding gene | 14,335 | 15,478 | 1,144 bp | + | 38.4% |
| tRNA-Thr | Transfer RNA | 15,479 | 15,552 | 74 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,555 | 15,623 | 69 bp | − | – |
| D-loop | Control region | 15,624 | 16,694 | 1,071 bp | – | 34.4% |