Pelobates fuscus

Common Eurasian spadefoot toad

Maximum lifespan

11 yr

AnAge record

mtDNA size

16,828 bp

RefSeq NC_051953.1

GC content

40.66%

Whole genome

Non-coding

1,387 bp

D-loop 1,263 bp

Where Common Eurasian spadefoot toad sits among 2,335 species

Whole-genome GC content against maximum lifespan. Common Eurasian spadefoot toad has the 1,512th longest lifespan of them.

This species
Other amphibians
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,828 bp

GC skew (G − C) / (G + C): −0.299
AT skew (A − T) / (A + T): −0.026

Life history

Maximum lifespan: 11 years
Gestation or incubation: 8 days
Litter or clutch size: 1,740

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 00099)

About this record

Lifespan source: AnAge build 15
Based on: an animal in captivity
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 genome16,828 bp

Protein-coding11,367 bp

12S rRNA932 bp

16S rRNA1,612 bp

All tRNA1,534 bp

D-loop1,263 bp

Genes and regions

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

Base composition of Pelobates fuscus genes

ND1NADH dehydrogenase subunit 1	974 bp	27.2%	33.1%	13.1%	26.6%	39.73%	−0.339	−0.097
ND2NADH dehydrogenase subunit 2	1,056 bp	27.0%	32.7%	10.2%	30.1%	40.34%	−0.493	−0.095
COX1Cytochrome c oxidase subunit I	1,554 bp	26.5%	31.7%	16.7%	25.2%	41.83%	−0.203	−0.089
COX2Cytochrome c oxidase subunit II	682 bp	28.2%	30.6%	15.7%	25.5%	41.20%	−0.238	−0.042
ATP8ATP synthase F0 subunit 8	168 bp	35.7%	30.4%	6.5%	27.4%	33.93%	−0.614	+0.081
ATP6ATP synthase F0 subunit 6	684 bp	25.0%	34.4%	11.8%	28.8%	40.64%	−0.417	−0.158
COX3Cytochrome c oxidase subunit III	785 bp	24.8%	31.3%	16.3%	27.5%	43.82%	−0.256	−0.116
ND3NADH dehydrogenase subunit 3	334 bp	26.6%	33.8%	11.7%	27.8%	39.52%	−0.409	−0.119
ND4LNADH dehydrogenase subunit 4L	297 bp	22.6%	31.3%	13.1%	33.0%	46.13%	−0.431	−0.163
ND4NADH dehydrogenase subunit 4	1,378 bp	26.8%	33.2%	11.6%	28.4%	40.06%	−0.420	−0.107
ND5NADH dehydrogenase subunit 5	1,821 bp	28.2%	32.8%	11.4%	27.6%	38.99%	−0.417	−0.075
ND6NADH dehydrogenase subunit 6	510 bp	39.2%	18.4%	11.4%	31.0%	42.35%	−0.463	+0.361
CYTBCytochrome b	1,142 bp	24.6%	33.2%	13.9%	28.3%	42.21%	−0.340	−0.148
12S rRNA12S ribosomal RNA	932 bp	32.2%	23.8%	18.9%	25.1%	43.99%	−0.141	+0.149
16S rRNA16S ribosomal RNA	1,612 bp	35.3%	26.6%	16.9%	21.2%	38.09%	−0.114	+0.140
D-loopControl region (D-loop)	1,263 bp	30.9%	31.7%	13.3%	24.1%	37.40%	−0.288	−0.013

Codon usage

Counts per codon, darker is more frequent

Gene

3,792 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.5%

UUU158

UUC90

Leu L17.1%

UUA163

UUG29

CUU179

CUC112

CUA130

CUG35

Ile I9.1%

AUU212

AUC132

Met M4.0%

AUA127

AUG24

Val V4.9%

GUU59

GUC46

GUA60

GUG22

Ser S8.3%

UCU79

UCC92

UCA86

UCG5

AGU18

AGC34

Pro P5.5%

CCU66

CCC68

CCA71

CCG3

Thr T7.5%

ACU80

ACC114

ACA86

ACG5

Ala A7.5%

GCU77

GCC119

GCA78

GCG9

Tyr Y2.9%

UAU71

UAC38

His H2.7%

CAU49

CAC52

Gln Q2.4%

CAA82

CAG9

Asn N3.4%

AAU51

AAC79

Lys K2.1%

AAA76

AAG4

Asp D1.7%

GAU30

GAC35

Glu E2.5%

GAA73

GAG22

Cys C0.8%

UGU11

UGC18

Trp W3.1%

UGA108

UGG8

Arg R1.8%

CGU18

CGC13

CGA34

CGG5

Gly G6.1%

GGU35

GGC62

GGA91

GGG43

Stop 0.2%

UAA6

UAG0

AGA0

AGG1

Genome map

38 annotated features in NC_051953.1

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 (40.7%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Pelobates fuscus (NC_051953.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	41	108	68 bp	+	–
12S rRNA	Ribosomal RNA	109	1,040	932 bp	+	44.0%
tRNA-Val	Transfer RNA	1,041	1,110	70 bp	+	–
16S rRNA	Ribosomal RNA	1,109	2,720	1,612 bp	+	38.1%
tRNA-Leu (UUR)	Transfer RNA	2,720	2,794	75 bp	+	–
ND1	Protein-coding gene	2,795	3,768	974 bp	+	39.7%
tRNA-Ile	Transfer RNA	3,769	3,839	71 bp	+	–
tRNA-Gln	Transfer RNA	3,839	3,909	71 bp	−	–
tRNA-Met	Transfer RNA	3,909	3,977	69 bp	+	–
ND2	Protein-coding gene	3,978	5,033	1,056 bp	+	40.3%
tRNA-Trp	Transfer RNA	5,036	5,105	70 bp	+	–
tRNA-Ala	Transfer RNA	5,106	5,174	69 bp	−	–
tRNA-Asn	Transfer RNA	5,175	5,247	73 bp	−	–
tRNA-Cys	Transfer RNA	5,278	5,341	64 bp	−	–
tRNA-Tyr	Transfer RNA	5,342	5,411	70 bp	−	–
COX1	Protein-coding gene	5,413	6,966	1,554 bp	+	41.8%
tRNA-Ser (UCN)	Transfer RNA	6,967	7,037	71 bp	−	–
tRNA-Asp	Transfer RNA	7,043	7,109	67 bp	+	–
COX2	Protein-coding gene	7,112	7,793	682 bp	+	41.2%
tRNA-Lys	Transfer RNA	7,794	7,866	73 bp	+	–
ATP8	Protein-coding gene	7,868	8,035	168 bp	+	33.9%
ATP6	Protein-coding gene	8,026	8,709	684 bp	+	40.6%
COX3	Protein-coding gene	8,709	9,493	785 bp	+	43.8%
tRNA-Gly	Transfer RNA	9,493	9,561	69 bp	+	–
ND3	Protein-coding gene	9,562	9,895	334 bp	+	39.5%
tRNA-Arg	Transfer RNA	9,905	9,973	69 bp	+	–
ND4L	Protein-coding gene	9,974	10,270	297 bp	+	46.1%
ND4	Protein-coding gene	10,264	11,641	1,378 bp	+	40.1%
tRNA-His	Transfer RNA	11,642	11,710	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,711	11,777	67 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,778	11,850	73 bp	+	–
ND5	Protein-coding gene	11,851	13,671	1,821 bp	+	39.0%
ND6	Protein-coding gene	13,702	14,211	510 bp	−	42.4%
tRNA-Glu	Transfer RNA	14,212	14,280	69 bp	−	–
CYTB	Protein-coding gene	14,283	15,424	1,142 bp	+	42.2%
tRNA-Thr	Transfer RNA	15,425	15,494	70 bp	+	–
tRNA-Pro	Transfer RNA	15,497	15,565	69 bp	−	–
D-loop	Control region	15,566	16,828	1,263 bp	–	37.4%