MitoAge

Ambystoma texanum

Small-mouthed salamander

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Maximum lifespan
13.8 yr
AnAge record
mtDNA size
16,367 bp
RefSeq NC_014571.1
GC content
33.85%
Whole genome
Non-coding
1,029 bp
D-loop 743 bp

Where Small-mouthed salamander sits among 2,335 species

Whole-genome GC content against maximum lifespan. Small-mouthed salamander has the 1,319th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Small-mouthed salamander
  • This species
  • Other amphibians
  • Other classes
Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,367 bp
GC skew (G − C) / (G + C)
−0.210
AT skew (A − T) / (A + T)
+0.044

Life history

Maximum lifespan
13.8 years
Gestation or incubation
35 days
Litter or clutch size
625

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 00138)

About this record

Lifespan source
AnAge build 15
Based on
an animal in captivity
Data quality
acceptable, tiny 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 genome16,367 bp
Protein-coding11,326 bp
12S rRNA924 bp
16S rRNA1,555 bp
All tRNA1,540 bp
D-loop743 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1969 bp31.8%35.2%12.3%20.7%33.02%−0.256−0.051
ND2NADH dehydrogenase subunit 21,042 bp36.8%32.9%9.6%20.7%30.33%−0.367+0.055
COX1Cytochrome c oxidase subunit I1,548 bp29.5%34.2%16.1%20.1%36.24%−0.109−0.074
COX2Cytochrome c oxidase subunit II686 bp34.8%30.8%14.6%19.8%34.40%−0.153+0.062
ATP8ATP synthase F0 subunit 8168 bp42.3%30.4%7.1%20.2%27.38%−0.478+0.164
ATP6ATP synthase F0 subunit 6684 bp32.0%34.6%11.1%22.2%33.33%−0.333−0.039
COX3Cytochrome c oxidase subunit III785 bp29.8%31.2%16.6%22.4%38.98%−0.150−0.023
ND3NADH dehydrogenase subunit 3351 bp29.9%36.8%12.8%20.5%33.33%−0.231−0.103
ND4LNADH dehydrogenase subunit 4L297 bp31.0%36.4%11.8%20.9%32.66%−0.278−0.080
ND4NADH dehydrogenase subunit 41,375 bp33.8%33.7%11.6%20.9%32.51%−0.284+0.002
ND5NADH dehydrogenase subunit 51,800 bp34.6%34.0%10.9%20.6%31.44%−0.307+0.008
ND6NADH dehydrogenase subunit 6516 bp49.4%19.8%8.9%21.9%30.81%−0.421+0.429
CYTBCytochrome b1,141 bp31.8%34.6%12.0%21.6%33.57%−0.285−0.042
12S rRNA12S ribosomal RNA924 bp38.4%23.4%17.7%20.5%38.20%−0.071+0.243
16S rRNA16S ribosomal RNA1,555 bp40.6%26.2%15.8%17.4%33.12%−0.049+0.215
D-loopControl region (D-loop)743 bp30.1%32.6%15.6%21.7%37.28%−0.162−0.039

Codon usage

Counts per codon, darker is more frequent

3,785 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.6%
UUU194
UUC57
Leu L15.6%
UUA288
UUG11
CUU119
CUC21
CUA135
CUG15
Ile I8.9%
AUU275
AUC61
Met M6.7%
AUA218
AUG34
Val V4.4%
GUU61
GUC20
GUA81
GUG6
Ser S7.5%
UCU81
UCC23
UCA132
UCG3
AGU17
AGC28
Pro P5.1%
CCU44
CCC17
CCA112
CCG21
Thr T7.5%
ACU72
ACC48
ACA153
ACG12
Ala A6.9%
GCU67
GCC60
GCA122
GCG11
Tyr Y3.2%
UAU83
UAC38
His H2.4%
CAU45
CAC46
Gln Q2.6%
CAA97
CAG2
Asn N4.2%
AAU92
AAC68
Lys K2.3%
AAA86
AAG1
Asp D2.0%
GAU41
GAC33
Glu E2.5%
GAA83
GAG13
Cys C0.9%
UGU17
UGC16
Trp W2.9%
UGA98
UGG12
Arg R1.9%
CGU10
CGC6
CGA54
CGG2
Gly G5.7%
GGU42
GGC43
GGA91
GGG39
Stop 0.2%
UAA5
UAG1
AGA2
AGG0

Genome map

38 annotated features in NC_014571.1

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 (33.8%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA16969 bp+–
12S rRNARibosomal RNA70993924 bp+38.2%
tRNA-ValTransfer RNA9941,06269 bp+–
16S rRNARibosomal RNA1,0632,6171,555 bp+33.1%
tRNA-Leu (UUR)Transfer RNA2,6182,69275 bp+–
ND1Protein-coding gene2,6933,661969 bp+33.0%
tRNA-IleTransfer RNA3,6643,73471 bp+–
tRNA-GlnTransfer RNA3,7353,80369 bp−–
tRNA-MetTransfer RNA3,8023,87170 bp+–
ND2Protein-coding gene3,8724,9131,042 bp+30.3%
tRNA-TrpTransfer RNA4,9144,98269 bp+–
tRNA-AlaTransfer RNA4,9835,05371 bp−–
tRNA-AsnTransfer RNA5,0545,12673 bp−–
tRNA-CysTransfer RNA5,1685,23467 bp−–
tRNA-TyrTransfer RNA5,2355,30167 bp−–
COX1Protein-coding gene5,3036,8501,548 bp+36.2%
tRNA-Ser (UCN)Transfer RNA6,8516,92070 bp−–
tRNA-AspTransfer RNA6,9216,99171 bp+–
COX2Protein-coding gene6,9927,677686 bp+34.4%
tRNA-LysTransfer RNA7,6787,75174 bp+–
ATP8Protein-coding gene7,7537,920168 bp+27.4%
ATP6Protein-coding gene7,9118,594684 bp+33.3%
COX3Protein-coding gene8,5949,378785 bp+39.0%
tRNA-GlyTransfer RNA9,3799,44769 bp+–
ND3Protein-coding gene9,4459,795351 bp+33.3%
tRNA-ArgTransfer RNA9,7969,86267 bp+–
ND4LProtein-coding gene9,86310,159297 bp+32.7%
ND4Protein-coding gene10,15311,5271,375 bp+32.5%
tRNA-HisTransfer RNA11,52811,59669 bp+–
tRNA-Ser (AGY)Transfer RNA11,59711,66468 bp+–
tRNA-Leu (CUN)Transfer RNA11,66511,73672 bp+–
ND5Protein-coding gene11,73713,5361,800 bp+31.4%
ND6Protein-coding gene13,51914,034516 bp−30.8%
tRNA-GluTransfer RNA14,03114,10171 bp−–
CYTBProtein-coding gene14,10215,2421,141 bp+33.6%
tRNA-ThrTransfer RNA15,24315,31169 bp+–
tRNA-ProTransfer RNA15,55315,62472 bp−–
D-loopControl region15,62516,367743 bp–37.3%

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