Maximum lifespan
13.8 yr
AnAge record (opens in a new tab)
GC content
31.62%
Whole genome
Non-coding
841 bp
D-loop 630 bp

Where Mexican burrowing caecilian sits among 2,335 species

Whole-genome GC content against maximum lifespan. Mexican burrowing caecilian has the 1,320th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Mexican burrowing caecilian
  • This species
  • Other amphibians
  • Other classes

Base composition

Whole genome16,162 bp
GC skew (G − C) / (G + C)
−0.277
AT skew (A − T) / (A + T)
+0.080

Life history

Maximum lifespan
13.8 years

Lifespan from AnAge · AnAge record

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 genome16,162 bp
Protein-coding11,281 bp
12S rRNA943 bp
16S rRNA1,576 bp
All tRNA1,534 bp
D-loop630 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Dermophis mexicanus genes
Composition
ND1NADH dehydrogenase subunit 1963 bp36.7%32.6%10.5%20.2%30.74%−0.318+0.058
ND2NADH dehydrogenase subunit 21,036 bp39.3%31.0%8.2%21.5%29.73%−0.448+0.118
COX1Cytochrome c oxidase subunit I1,554 bp31.1%34.9%15.3%18.7%33.98%−0.098−0.058
COX2Cytochrome c oxidase subunit II689 bp36.4%30.3%12.3%20.9%33.24%−0.258+0.091
ATP8ATP synthase F0 subunit 8165 bp49.1%26.1%3.6%21.2%24.85%−0.707+0.306
ATP6ATP synthase F0 subunit 6684 bp35.5%34.2%8.6%21.6%30.26%−0.430+0.019
COX3Cytochrome c oxidase subunit III784 bp30.9%34.2%14.7%20.3%34.95%−0.161−0.051
ND3NADH dehydrogenase subunit 3344 bp34.9%32.0%10.8%22.4%33.14%−0.351+0.043
ND4LNADH dehydrogenase subunit 4L291 bp32.3%32.6%12.7%22.3%35.05%−0.275−0.005
ND4NADH dehydrogenase subunit 41,372 bp36.2%33.9%8.7%21.2%29.96%−0.416+0.032
ND5NADH dehydrogenase subunit 51,782 bp38.4%33.2%9.7%18.7%28.45%−0.318+0.073
ND6NADH dehydrogenase subunit 6494 bp48.4%18.0%9.3%24.3%33.60%−0.446+0.457
CYTBCytochrome b1,138 bp34.0%32.4%10.9%22.7%33.57%−0.351+0.024
12S rRNA12S ribosomal RNA943 bp37.8%26.7%14.4%21.1%35.53%−0.188+0.171
16S rRNA16S ribosomal RNA1,576 bp41.7%26.1%14.1%18.1%32.23%−0.122+0.230
D-loopControl region (D-loop)630 bp33.2%37.5%10.2%19.2%29.37%−0.308−0.061

Codon usage

Counts per codon, darker is more frequent

3,762 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.1%
UUU167
UUC64
Leu L14.7%
UUA315
UUG16
CUU66
CUC24
CUA127
CUG4
Ile I9.3%
AUU252
AUC97
Met M7.9%
AUA278
AUG20
Val V4.1%
GUU54
GUC7
GUA89
GUG3
Ser S7.0%
UCU46
UCC27
UCA146
UCG4
AGU20
AGC22
Pro P5.2%
CCU27
CCC11
CCA152
CCG4
Thr T9.2%
ACU84
ACC77
ACA182
ACG2
Ala A6.1%
GCU66
GCC64
GCA97
GCG3
Tyr Y3.2%
UAU95
UAC27
His H2.4%
CAU51
CAC39
Gln Q2.8%
CAA105
CAG2
Asn N4.2%
AAU82
AAC75
Lys K2.4%
AAA89
AAG1
Asp D1.6%
GAU46
GAC16
Glu E2.5%
GAA88
GAG5
Cys C0.7%
UGU18
UGC8
Trp W3.0%
UGA102
UGG9
Arg R1.8%
CGU13
CGC6
CGA46
CGG2
Gly G5.7%
GGU74
GGC30
GGA98
GGG12
Stop 0.2%
UAA5
UAG1
AGA0
AGG0

Genome map

38 annotated features in NC_020138.1

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 (31.6%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
Annotated features of Dermophis mexicanus (NC_020138.1)
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17171 bp+–
12S rRNARibosomal RNA2251,167943 bp+35.5%
tRNA-ValTransfer RNA1,1681,23669 bp+–
16S rRNARibosomal RNA1,2372,8121,576 bp+32.2%
tRNA-Leu (UUR)Transfer RNA2,8132,88270 bp+–
ND1Protein-coding gene2,8843,846963 bp+30.7%
tRNA-IleTransfer RNA3,8473,91771 bp+–
tRNA-GlnTransfer RNA3,9183,98871 bp−–
tRNA-MetTransfer RNA3,9884,05669 bp+–
ND2Protein-coding gene4,0605,0951,036 bp+29.7%
tRNA-TrpTransfer RNA5,0965,16570 bp+–
tRNA-AlaTransfer RNA5,1725,24069 bp−–
tRNA-AsnTransfer RNA5,2415,31373 bp−–
tRNA-CysTransfer RNA5,3465,41065 bp−–
tRNA-TyrTransfer RNA5,4105,48071 bp−–
COX1Protein-coding gene5,4827,0351,554 bp+34.0%
tRNA-Ser (UCN)Transfer RNA7,0247,09673 bp−–
tRNA-AspTransfer RNA7,0977,16569 bp+–
COX2Protein-coding gene7,1687,856689 bp+33.2%
tRNA-LysTransfer RNA7,8577,92771 bp+–
ATP8Protein-coding gene7,9308,094165 bp+24.9%
ATP6Protein-coding gene8,0858,768684 bp+30.3%
COX3Protein-coding gene8,7689,551784 bp+35.0%
tRNA-GlyTransfer RNA9,5529,62069 bp+–
ND3Protein-coding gene9,6219,964344 bp+33.1%
tRNA-ArgTransfer RNA9,96510,03268 bp+–
ND4LProtein-coding gene10,03310,323291 bp+35.1%
ND4Protein-coding gene10,32311,6941,372 bp+30.0%
tRNA-HisTransfer RNA11,69511,76571 bp+–
tRNA-Ser (AGY)Transfer RNA11,76611,83267 bp+–
tRNA-Leu (CUN)Transfer RNA11,82911,90173 bp+–
ND5Protein-coding gene11,90313,6841,782 bp+28.5%
ND6Protein-coding gene13,68214,175494 bp−33.6%
tRNA-GluTransfer RNA14,17514,24571 bp−–
CYTBProtein-coding gene14,24915,3861,138 bp+33.6%
tRNA-ThrTransfer RNA15,38715,45569 bp+–
tRNA-ProTransfer RNA15,46315,53270 bp−–
D-loopControl region15,53316,162630 bp–29.4%