Carcharhinus amblyrhynchos

Grey reef shark

Maximum lifespan

25 yr

AnAge record

mtDNA size

16,705 bp

RefSeq NC_047238.1

GC content

38.41%

Whole genome

Non-coding

1,123 bp

D-loop 1,067 bp

Where Grey reef shark sits among 2,335 species

Whole-genome GC content against maximum lifespan. Grey reef shark has the 651st longest lifespan of them.

This species
Other sharks and rays
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,705 bp

GC skew (G − C) / (G + C): −0.315
AT skew (A − T) / (A + T): +0.022

Life history

Maximum lifespan: 25 years
Adult weight: 18.5 kg
Female sexual maturity: 6 years
Litter or clutch size: 4.1

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 01748)

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 RefSeq

Whole genome16,705 bp

Protein-coding11,407 bp

12S rRNA955 bp

16S rRNA1,670 bp

All tRNA1,550 bp

D-loop1,067 bp

Genes and regions

Select a column to sort; select a gene to compare it across species

Base composition of Carcharhinus amblyrhynchos genes

ND1NADH dehydrogenase subunit 1	975 bp	30.1%	30.7%	10.9%	28.4%	39.28%	−0.446	−0.010
ND2NADH dehydrogenase subunit 2	1,045 bp	31.6%	29.9%	9.2%	29.4%	38.57%	−0.524	+0.028
COX1Cytochrome c oxidase subunit I	1,557 bp	27.6%	35.3%	15.4%	21.8%	37.12%	−0.173	−0.124
COX2Cytochrome c oxidase subunit II	691 bp	32.0%	29.4%	14.6%	24.0%	38.64%	−0.243	+0.042
ATP8ATP synthase F0 subunit 8	168 bp	39.3%	32.1%	5.4%	23.2%	28.57%	−0.625	+0.100
ATP6ATP synthase F0 subunit 6	684 bp	31.9%	32.7%	9.6%	25.7%	35.38%	−0.455	−0.014
COX3Cytochrome c oxidase subunit III	786 bp	28.1%	30.4%	15.5%	26.0%	41.48%	−0.252	−0.039
ND3NADH dehydrogenase subunit 3	349 bp	26.4%	31.5%	13.8%	28.4%	42.12%	−0.347	−0.089
ND4LNADH dehydrogenase subunit 4L	297 bp	25.3%	34.7%	11.8%	28.3%	40.07%	−0.412	−0.157
ND4NADH dehydrogenase subunit 4	1,381 bp	30.4%	30.8%	10.5%	28.2%	38.74%	−0.458	−0.007
ND5NADH dehydrogenase subunit 5	1,830 bp	31.4%	30.2%	9.9%	28.5%	38.36%	−0.484	+0.020
ND6NADH dehydrogenase subunit 6	522 bp	42.9%	19.5%	7.5%	30.1%	37.55%	−0.602	+0.374
CYTBCytochrome b	1,145 bp	28.5%	31.9%	11.9%	27.8%	39.65%	−0.401	−0.056
12S rRNA12S ribosomal RNA	955 bp	33.4%	24.5%	18.8%	23.2%	42.09%	−0.104	+0.154
16S rRNA16S ribosomal RNA	1,670 bp	36.0%	26.1%	16.6%	21.3%	37.84%	−0.123	+0.160
D-loopControl region (D-loop)	1,067 bp	32.1%	35.2%	13.1%	19.5%	32.62%	−0.195	−0.046

Codon usage

Counts per codon, darker is more frequent

Gene

3,808 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.3%

UUU114

UUC126

Leu L17.4%

UUA193

UUG12

CUU138

CUC125

CUA188

CUG6

Ile I9.1%

AUU193

AUC153

Met M4.3%

AUA140

AUG25

Val V4.4%

GUU61

GUC27

GUA74

GUG6

Ser S7.1%

UCU55

UCC57

UCA100

UCG4

AGU30

AGC25

Pro P5.6%

CCU57

CCC46

CCA108

CCG3

Thr T7.5%

ACU81

ACC82

ACA119

ACG2

Ala A7.4%

GCU94

GCC89

GCA95

GCG2

Tyr Y3.1%

UAU79

UAC39

His H2.8%

CAU44

CAC61

Gln Q2.5%

CAA93

CAG1

Asn N3.9%

AAU58

AAC92

Lys K2.2%

AAA83

AAG2

Asp D1.9%

GAU44

GAC29

Glu E2.6%

GAA93

GAG5

Cys C0.6%

UGU13

UGC10

Trp W3.2%

UGA120

UGG3

Arg R1.9%

CGU18

CGC11

CGA43

CGG1

Gly G6.0%

GGU65

GGC50

GGA95

GGG18

Stop 0.2%

UAA7

UAG0

AGA0

AGG1

Genome map

38 annotated features in NC_047238.1

Hover, 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 (38.4%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Carcharhinus amblyrhynchos (NC_047238.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	70	70 bp	+	–
12S rRNA	Ribosomal RNA	71	1,025	955 bp	+	42.1%
tRNA-Val	Transfer RNA	1,026	1,097	72 bp	+	–
16S rRNA	Ribosomal RNA	1,098	2,767	1,670 bp	+	37.8%
tRNA-Leu (UUR)	Transfer RNA	2,768	2,842	75 bp	+	–
ND1	Protein-coding gene	2,843	3,817	975 bp	+	39.3%
tRNA-Ile	Transfer RNA	3,818	3,887	70 bp	+	–
tRNA-Gln	Transfer RNA	3,889	3,960	72 bp	−	–
tRNA-Met	Transfer RNA	3,960	4,028	69 bp	+	–
ND2	Protein-coding gene	4,029	5,073	1,045 bp	+	38.6%
tRNA-Trp	Transfer RNA	5,074	5,144	71 bp	+	–
tRNA-Ala	Transfer RNA	5,146	5,214	69 bp	−	–
tRNA-Asn	Transfer RNA	5,215	5,287	73 bp	−	–
tRNA-Cys	Transfer RNA	5,323	5,390	68 bp	−	–
tRNA-Tyr	Transfer RNA	5,392	5,460	69 bp	−	–
COX1	Protein-coding gene	5,462	7,018	1,557 bp	+	37.1%
tRNA-Ser (UCN)	Transfer RNA	7,019	7,089	71 bp	−	–
tRNA-Asp	Transfer RNA	7,093	7,162	70 bp	+	–
COX2	Protein-coding gene	7,170	7,860	691 bp	+	38.6%
tRNA-Lys	Transfer RNA	7,861	7,934	74 bp	+	–
ATP8	Protein-coding gene	7,936	8,103	168 bp	+	28.6%
ATP6	Protein-coding gene	8,094	8,777	684 bp	+	35.4%
COX3	Protein-coding gene	8,777	9,562	786 bp	+	41.5%
tRNA-Gly	Transfer RNA	9,565	9,634	70 bp	+	–
ND3	Protein-coding gene	9,635	9,983	349 bp	+	42.1%
tRNA-Arg	Transfer RNA	9,984	10,053	70 bp	+	–
ND4L	Protein-coding gene	10,054	10,350	297 bp	+	40.1%
ND4	Protein-coding gene	10,344	11,724	1,381 bp	+	38.7%
tRNA-His	Transfer RNA	11,725	11,793	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,794	11,860	67 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,861	11,932	72 bp	+	–
ND5	Protein-coding gene	11,933	13,762	1,830 bp	+	38.4%
ND6	Protein-coding gene	13,758	14,279	522 bp	−	37.6%
tRNA-Glu	Transfer RNA	14,280	14,348	69 bp	−	–
CYTB	Protein-coding gene	14,351	15,495	1,145 bp	+	39.7%
tRNA-Thr	Transfer RNA	15,496	15,567	72 bp	+	–
tRNA-Pro	Transfer RNA	15,570	15,638	69 bp	−	–
D-loop	Control region	15,639	16,705	1,067 bp	–	32.6%