Andrias japonicus

Japanese giant salamander

Maximum lifespan

55 yr

AnAge record

mtDNA size

16,298 bp

RefSeq NC_007446.1

GC content

35.42%

Whole genome

Non-coding

927 bp

D-loop 770 bp

Where Japanese giant salamander sits among 2,335 species

Whole-genome GC content against maximum lifespan. Japanese giant salamander has the 120th longest lifespan of them.

This species
Other amphibians
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,298 bp

GC skew (G − C) / (G + C): −0.185
AT skew (A − T) / (A + T): −0.007

Life history

Maximum lifespan: 55 years
Female sexual maturity: 5 years
Male sexual maturity: 5 years
Gestation or incubation: 60 days
Litter or clutch size: 500

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 00144)

About this record

Lifespan source: AnAge build 15
Based on: an animal in captivity
Data quality: acceptable, small sample
Licence: Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status: Updated in build 2
In the database since: build 1 (2015-07-01)
Last changed: 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 genome16,298 bp

Protein-coding11,352 bp

12S rRNA915 bp

16S rRNA1,577 bp

All tRNA1,532 bp

D-loop770 bp

Genes and regions

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

Base composition of Andrias japonicus genes

ND1NADH dehydrogenase subunit 1	972 bp	30.6%	34.1%	13.1%	22.3%	35.39%	−0.262	−0.054
ND2NADH dehydrogenase subunit 2	1,041 bp	33.2%	34.3%	10.2%	22.3%	32.47%	−0.373	−0.016
COX1Cytochrome c oxidase subunit I	1,551 bp	26.0%	34.6%	18.1%	21.3%	39.39%	−0.080	−0.140
COX2Cytochrome c oxidase subunit II	688 bp	31.8%	32.7%	14.2%	21.2%	35.47%	−0.197	−0.014
ATP8ATP synthase F0 subunit 8	168 bp	39.3%	32.7%	8.3%	19.6%	27.98%	−0.404	+0.091
ATP6ATP synthase F0 subunit 6	684 bp	30.4%	36.3%	12.0%	21.3%	33.33%	−0.281	−0.088
COX3Cytochrome c oxidase subunit III	784 bp	27.0%	35.6%	16.5%	20.9%	37.37%	−0.119	−0.136
ND3NADH dehydrogenase subunit 3	351 bp	27.6%	36.2%	13.7%	22.5%	36.18%	−0.244	−0.134
ND4LNADH dehydrogenase subunit 4L	297 bp	29.0%	35.0%	14.5%	21.5%	36.03%	−0.196	−0.095
ND4NADH dehydrogenase subunit 4	1,377 bp	31.0%	35.1%	12.3%	21.6%	33.84%	−0.275	−0.063
ND5NADH dehydrogenase subunit 5	1,812 bp	31.2%	35.7%	13.1%	20.0%	33.11%	−0.210	−0.066
ND6NADH dehydrogenase subunit 6	519 bp	44.5%	21.6%	10.6%	23.3%	33.91%	−0.375	+0.347
CYTBCytochrome b	1,141 bp	28.4%	31.8%	14.5%	25.3%	39.79%	−0.273	−0.057
12S rRNA12S ribosomal RNA	915 bp	36.6%	25.5%	17.7%	20.2%	37.92%	−0.066	+0.180
16S rRNA16S ribosomal RNA	1,577 bp	38.6%	27.5%	16.4%	17.4%	33.86%	−0.030	+0.168
D-loopControl region (D-loop)	770 bp	32.6%	33.2%	14.3%	19.9%	34.16%	−0.164	−0.010

Codon usage

Counts per codon, darker is more frequent

Gene

3,794 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.6%

UUU183

UUC67

Leu L15.9%

UUA282

UUG38

CUU106

CUC34

CUA111

CUG32

Ile I9.2%

AUU271

AUC77

Met M6.4%

AUA201

AUG41

Val V4.6%

GUU66

GUC19

GUA68

GUG22

Ser S7.4%

UCU69

UCC52

UCA102

UCG4

AGU20

AGC35

Pro P5.1%

CCU53

CCC28

CCA98

CCG15

Thr T7.2%

ACU61

ACC74

ACA132

ACG6

Ala A7.0%

GCU68

GCC94

GCA92

GCG12

Tyr Y3.5%

UAU100

UAC31

His H2.5%

CAU56

CAC40

Gln Q2.5%

CAA77

CAG17

Asn N3.7%

AAU95

AAC44

Lys K2.2%

AAA78

AAG7

Asp D2.0%

GAU44

GAC30

Glu E2.4%

GAA72

GAG20

Cys C0.9%

UGU17

UGC16

Trp W3.0%

UGA93

UGG20

Arg R1.8%

CGU17

CGC14

CGA33

CGG6

Gly G5.9%

GGU56

GGC63

GGA55

GGG50

Stop 0.3%

UAA7

UAG2

AGA0

AGG1

Genome map

38 annotated features in NC_007446.1

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 (35.4%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Andrias japonicus (NC_007446.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	69	69 bp	+	–
12S rRNA	Ribosomal RNA	70	984	915 bp	+	37.9%
tRNA-Val	Transfer RNA	985	1,053	69 bp	+	–
16S rRNA	Ribosomal RNA	1,054	2,630	1,577 bp	+	33.9%
tRNA-Leu (UUR)	Transfer RNA	2,631	2,706	76 bp	+	–
ND1	Protein-coding gene	2,707	3,678	972 bp	+	35.4%
tRNA-Ile	Transfer RNA	3,677	3,748	72 bp	+	–
tRNA-Gln	Transfer RNA	3,747	3,817	71 bp	−	–
tRNA-Met	Transfer RNA	3,818	3,886	69 bp	+	–
ND2	Protein-coding gene	3,887	4,927	1,041 bp	+	32.5%
tRNA-Trp	Transfer RNA	4,926	4,994	69 bp	+	–
tRNA-Ala	Transfer RNA	4,995	5,063	69 bp	−	–
tRNA-Asn	Transfer RNA	5,064	5,136	73 bp	−	–
tRNA-Cys	Transfer RNA	5,166	5,231	66 bp	−	–
tRNA-Tyr	Transfer RNA	5,232	5,299	68 bp	−	–
COX1	Protein-coding gene	5,301	6,851	1,551 bp	+	39.4%
tRNA-Ser (UCN)	Transfer RNA	6,852	6,922	71 bp	−	–
tRNA-Asp	Transfer RNA	6,923	6,992	70 bp	+	–
COX2	Protein-coding gene	6,993	7,680	688 bp	+	35.5%
tRNA-Lys	Transfer RNA	7,681	7,748	68 bp	+	–
ATP8	Protein-coding gene	7,750	7,917	168 bp	+	28.0%
ATP6	Protein-coding gene	7,908	8,591	684 bp	+	33.3%
COX3	Protein-coding gene	8,591	9,374	784 bp	+	37.4%
tRNA-Gly	Transfer RNA	9,375	9,444	70 bp	+	–
ND3	Protein-coding gene	9,445	9,795	351 bp	+	36.2%
tRNA-Arg	Transfer RNA	9,796	9,862	67 bp	+	–
ND4L	Protein-coding gene	9,863	10,159	297 bp	+	36.0%
ND4	Protein-coding gene	10,153	11,529	1,377 bp	+	33.8%
tRNA-His	Transfer RNA	11,529	11,596	68 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,598	11,665	68 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,666	11,736	71 bp	+	–
ND5	Protein-coding gene	11,737	13,548	1,812 bp	+	33.1%
ND6	Protein-coding gene	13,534	14,052	519 bp	−	33.9%
tRNA-Glu	Transfer RNA	14,053	14,120	68 bp	−	–
CYTB	Protein-coding gene	14,124	15,264	1,141 bp	+	39.8%
tRNA-Thr	Transfer RNA	15,265	15,334	70 bp	+	–
tRNA-Pro	Transfer RNA	15,457	15,528	72 bp	−	–
D-loop	Control region	15,529	16,298	770 bp	–	34.2%