Ginglymostoma cirratum

Nurse shark

Maximum lifespan

25 yr

AnAge record

mtDNA size

16,692 bp

RefSeq NC_030189.1

GC content

36.95%

Whole genome

Non-coding

1,100 bp

D-loop 1,048 bp

Where Nurse shark sits among 2,335 species

Whole-genome GC content against maximum lifespan. Nurse shark has the 638th longest lifespan of them.

This species
Other sharks and rays
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,692 bp

GC skew (G − C) / (G + C): −0.318
AT skew (A − T) / (A + T): +0.069

Life history

Maximum lifespan: 25 years
Adult weight: 60.3 kg

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 01815)

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 genome16,692 bp

Protein-coding11,407 bp

12S rRNA956 bp

16S rRNA1,683 bp

All tRNA1,546 bp

D-loop1,048 bp

Genes and regions

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

Base composition of Ginglymostoma cirratum genes

ND1NADH dehydrogenase subunit 1	975 bp	32.1%	28.7%	10.9%	28.3%	39.18%	−0.445	+0.056
ND2NADH dehydrogenase subunit 2	1,046 bp	35.3%	27.0%	7.8%	29.9%	37.76%	−0.585	+0.134
COX1Cytochrome c oxidase subunit I	1,557 bp	29.4%	33.5%	15.7%	21.4%	37.12%	−0.152	−0.064
COX2Cytochrome c oxidase subunit II	691 bp	33.1%	30.2%	13.9%	22.7%	36.61%	−0.241	+0.046
ATP8ATP synthase F0 subunit 8	168 bp	40.5%	26.8%	7.7%	25.0%	32.74%	−0.527	+0.204
ATP6ATP synthase F0 subunit 6	684 bp	32.0%	31.6%	9.9%	26.5%	36.40%	−0.454	+0.007
COX3Cytochrome c oxidase subunit III	786 bp	29.9%	30.2%	14.5%	25.4%	39.95%	−0.274	−0.004
ND3NADH dehydrogenase subunit 3	349 bp	27.8%	34.4%	13.2%	24.6%	37.82%	−0.303	−0.106
ND4LNADH dehydrogenase subunit 4L	297 bp	30.6%	33.0%	11.1%	25.3%	36.36%	−0.389	−0.037
ND4NADH dehydrogenase subunit 4	1,381 bp	33.6%	31.4%	10.1%	24.9%	34.98%	−0.424	+0.033
ND5NADH dehydrogenase subunit 5	1,842 bp	33.7%	30.1%	9.7%	26.5%	36.21%	−0.466	+0.055
ND6NADH dehydrogenase subunit 6	525 bp	44.4%	19.6%	6.9%	29.1%	36.00%	−0.619	+0.387
CYTBCytochrome b	1,145 bp	30.8%	31.3%	11.0%	26.9%	37.90%	−0.419	−0.007
12S rRNA12S ribosomal RNA	956 bp	35.5%	24.5%	17.7%	22.4%	40.06%	−0.117	+0.183
16S rRNA16S ribosomal RNA	1,683 bp	38.3%	25.4%	15.9%	20.4%	36.30%	−0.123	+0.203
D-loopControl region (D-loop)	1,048 bp	35.4%	32.5%	12.5%	19.6%	32.06%	−0.220	+0.042

Codon usage

Counts per codon, darker is more frequent

Gene

3,813 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.5%

UUU123

UUC123

Leu L17.1%

UUA196

UUG19

CUU100

CUC85

CUA243

CUG10

Ile I9.1%

AUU177

AUC170

Met M5.1%

AUA178

AUG16

Val V4.1%

GUU42

GUC17

GUA83

GUG14

Ser S7.0%

UCU48

UCC52

UCA110

UCG2

AGU32

AGC22

Pro P5.6%

CCU47

CCC34

CCA130

CCG2

Thr T8.1%

ACU55

ACC97

ACA153

ACG4

Ala A6.7%

GCU82

GCC70

GCA99

GCG3

Tyr Y3.1%

UAU81

UAC37

His H2.7%

CAU64

CAC39

Gln Q2.6%

CAA98

CAG3

Asn N4.1%

AAU56

AAC101

Lys K2.2%

AAA82

AAG2

Asp D1.9%

GAU42

GAC29

Glu E2.6%

GAA87

GAG11

Cys C0.6%

UGU16

UGC6

Trp W3.1%

UGA114

UGG6

Arg R1.9%

CGU12

CGC10

CGA48

CGG2

Gly G5.8%

GGU70

GGC33

GGA104

GGG14

Stop 0.2%

UAA6

UAG1

AGA1

AGG0

Genome map

38 annotated features in NC_030189.1

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 (37.0%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Ginglymostoma cirratum (NC_030189.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	69	69 bp	+	–
12S rRNA	Ribosomal RNA	70	1,025	956 bp	+	40.1%
tRNA-Val	Transfer RNA	1,026	1,097	72 bp	+	–
16S rRNA	Ribosomal RNA	1,098	2,780	1,683 bp	+	36.3%
tRNA-Leu (UUR)	Transfer RNA	2,781	2,855	75 bp	+	–
ND1	Protein-coding gene	2,856	3,830	975 bp	+	39.2%
tRNA-Ile	Transfer RNA	3,834	3,903	70 bp	+	–
tRNA-Gln	Transfer RNA	3,904	3,975	72 bp	−	–
tRNA-Met	Transfer RNA	3,976	4,044	69 bp	+	–
ND2	Protein-coding gene	4,045	5,090	1,046 bp	+	37.8%
tRNA-Trp	Transfer RNA	5,091	5,159	69 bp	+	–
tRNA-Ala	Transfer RNA	5,161	5,229	69 bp	−	–
tRNA-Asn	Transfer RNA	5,230	5,302	73 bp	−	–
tRNA-Cys	Transfer RNA	5,336	5,402	67 bp	−	–
tRNA-Tyr	Transfer RNA	5,404	5,473	70 bp	−	–
COX1	Protein-coding gene	5,475	7,031	1,557 bp	+	37.1%
tRNA-Ser (UCN)	Transfer RNA	7,033	7,103	71 bp	−	–
tRNA-Asp	Transfer RNA	7,109	7,178	70 bp	+	–
COX2	Protein-coding gene	7,181	7,871	691 bp	+	36.6%
tRNA-Lys	Transfer RNA	7,872	7,945	74 bp	+	–
ATP8	Protein-coding gene	7,947	8,114	168 bp	+	32.7%
ATP6	Protein-coding gene	8,105	8,788	684 bp	+	36.4%
COX3	Protein-coding gene	8,788	9,573	786 bp	+	40.0%
tRNA-Gly	Transfer RNA	9,576	9,645	70 bp	+	–
ND3	Protein-coding gene	9,646	9,994	349 bp	+	37.8%
tRNA-Arg	Transfer RNA	9,995	10,063	69 bp	+	–
ND4L	Protein-coding gene	10,064	10,360	297 bp	+	36.4%
ND4	Protein-coding gene	10,354	11,734	1,381 bp	+	35.0%
tRNA-His	Transfer RNA	11,735	11,803	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,804	11,870	67 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,871	11,942	72 bp	+	–
ND5	Protein-coding gene	11,943	13,784	1,842 bp	+	36.2%
ND6	Protein-coding gene	13,764	14,288	525 bp	−	36.0%
tRNA-Glu	Transfer RNA	14,289	14,358	70 bp	−	–
CYTB	Protein-coding gene	14,361	15,505	1,145 bp	+	37.9%
tRNA-Thr	Transfer RNA	15,506	15,575	70 bp	+	–
tRNA-Pro	Transfer RNA	15,576	15,644	69 bp	−	–
D-loop	Control region	15,645	16,692	1,048 bp	–	32.1%