Xanthonycticebus pygmaeus

Pygmy slow loris

Maximum lifespan

19.3 yr

AnAge record

mtDNA size

16,856 bp

RefSeq NC_033381.1

GC content

39.96%

Whole genome

Non-coding

1,435 bp

D-loop 1,367 bp

Where Pygmy slow loris sits among 2,335 species

Whole-genome GC content against maximum lifespan. Pygmy slow loris has the 966th longest lifespan of them.

This species
Other mammals
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,856 bp

GC skew (G − C) / (G + C): −0.330
AT skew (A − T) / (A + T): +0.092

Life history

Maximum lifespan: 19.3 years
Adult weight: 419 g
Birth weight: 23 g
Female sexual maturity: 273 days
Gestation or incubation: 188 days
Litter or clutch size: 2

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 02822)

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 genome16,856 bp

Protein-coding11,341 bp

12S rRNA970 bp

16S rRNA1,595 bp

All tRNA1,521 bp

D-loop1,367 bp

Genes and regions

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

Base composition of Xanthonycticebus pygmaeus genes

ND1NADH dehydrogenase subunit 1	957 bp	32.6%	27.3%	11.2%	28.9%	40.13%	−0.443	+0.089
ND2NADH dehydrogenase subunit 2	1,042 bp	35.5%	28.0%	8.3%	28.1%	36.47%	−0.542	+0.118
COX1Cytochrome c oxidase subunit I	1,542 bp	26.8%	31.1%	17.8%	24.3%	42.09%	−0.153	−0.075
COX2Cytochrome c oxidase subunit II	684 bp	30.6%	27.6%	14.8%	27.0%	41.81%	−0.294	+0.050
ATP8ATP synthase F0 subunit 8	204 bp	38.7%	27.5%	6.9%	27.0%	33.82%	−0.594	+0.170
ATP6ATP synthase F0 subunit 6	681 bp	30.7%	28.9%	11.9%	28.5%	40.38%	−0.411	+0.030
COX3Cytochrome c oxidase subunit III	784 bp	28.7%	28.6%	15.2%	27.6%	42.73%	−0.290	+0.002
ND3NADH dehydrogenase subunit 3	347 bp	30.5%	30.8%	13.3%	25.4%	38.62%	−0.313	−0.005
ND4LNADH dehydrogenase subunit 4L	297 bp	27.6%	30.6%	13.8%	27.9%	41.75%	−0.339	−0.052
ND4NADH dehydrogenase subunit 4	1,378 bp	31.4%	27.4%	11.5%	29.7%	41.15%	−0.443	+0.068
ND5NADH dehydrogenase subunit 5	1,812 bp	32.8%	27.9%	10.4%	28.9%	39.29%	−0.469	+0.080
ND6NADH dehydrogenase subunit 6	528 bp	41.5%	16.3%	8.0%	34.3%	42.24%	−0.623	+0.436
CYTBCytochrome b	1,140 bp	30.4%	28.1%	12.5%	28.9%	41.49%	−0.395	+0.040
12S rRNA12S ribosomal RNA	970 bp	35.1%	22.7%	18.2%	24.0%	42.27%	−0.137	+0.214
16S rRNA16S ribosomal RNA	1,595 bp	36.7%	24.6%	16.9%	21.8%	38.68%	−0.128	+0.198
D-loopControl region (D-loop)	1,367 bp	33.2%	27.8%	12.8%	26.2%	38.99%	−0.343	+0.089

Codon usage

Counts per codon, darker is more frequent

Gene

3,797 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.1%

UUU108

UUC122

Leu L16.1%

UUA118

UUG22

CUU75

CUC80

CUA269

CUG49

Ile I8.5%

AUU159

AUC163

Met M6.1%

AUA189

AUG43

Val V5.0%

GUU45

GUC27

GUA96

GUG23

Ser S7.8%

UCU67

UCC60

UCA113

UCG6

AGU18

AGC34

Pro P5.2%

CCU44

CCC59

CCA92

CCG4

Thr T8.7%

ACU84

ACC95

ACA138

ACG13

Ala A6.3%

GCU50

GCC102

GCA77

GCG9

Tyr Y3.1%

UAU47

UAC71

His H2.8%

CAU33

CAC74

Gln Q2.3%

CAA78

CAG11

Asn N4.1%

AAU55

AAC101

Lys K2.5%

AAA91

AAG4

Asp D1.9%

GAU22

GAC49

Glu E2.3%

GAA63

GAG25

Cys C0.7%

UGU8

UGC18

Trp W2.7%

UGA88

UGG15

Arg R1.7%

CGU8

CGC16

CGA36

CGG5

Gly G5.7%

GGU34

GGC52

GGA89

GGG42

Stop 0.2%

UAA6

UAG2

AGA1

AGG0

Genome map

38 annotated features in NC_033381.1

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 (40.0%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Xanthonycticebus pygmaeus (NC_033381.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	71	71 bp	+	–
12S rRNA	Ribosomal RNA	72	1,041	970 bp	+	42.3%
tRNA-Val	Transfer RNA	1,042	1,108	67 bp	+	–
16S rRNA	Ribosomal RNA	1,109	2,703	1,595 bp	+	38.7%
tRNA-Leu (UUR)	Transfer RNA	2,704	2,778	75 bp	+	–
ND1	Protein-coding gene	2,780	3,736	957 bp	+	40.1%
tRNA-Ile	Transfer RNA	3,734	3,804	71 bp	+	–
tRNA-Gln	Transfer RNA	3,801	3,872	72 bp	−	–
tRNA-Met	Transfer RNA	3,876	3,944	69 bp	+	–
ND2	Protein-coding gene	3,945	4,986	1,042 bp	+	36.5%
tRNA-Trp	Transfer RNA	4,987	5,053	67 bp	+	–
tRNA-Ala	Transfer RNA	5,063	5,132	70 bp	−	–
tRNA-Asn	Transfer RNA	5,133	5,205	73 bp	−	–
tRNA-Cys	Transfer RNA	5,239	5,305	67 bp	−	–
tRNA-Tyr	Transfer RNA	5,306	5,373	68 bp	−	–
COX1	Protein-coding gene	5,380	6,921	1,542 bp	+	42.1%
tRNA-Ser (UCN)	Transfer RNA	6,923	6,991	69 bp	−	–
tRNA-Asp	Transfer RNA	6,997	7,065	69 bp	+	–
COX2	Protein-coding gene	7,066	7,749	684 bp	+	41.8%
tRNA-Lys	Transfer RNA	7,751	7,821	71 bp	+	–
ATP8	Protein-coding gene	7,821	8,024	204 bp	+	33.8%
ATP6	Protein-coding gene	7,982	8,662	681 bp	+	40.4%
COX3	Protein-coding gene	8,662	9,445	784 bp	+	42.7%
tRNA-Gly	Transfer RNA	9,445	9,515	71 bp	+	–
ND3	Protein-coding gene	9,515	9,861	347 bp	+	38.6%
tRNA-Arg	Transfer RNA	9,862	9,930	69 bp	+	–
ND4L	Protein-coding gene	9,932	10,228	297 bp	+	41.8%
ND4	Protein-coding gene	10,222	11,599	1,378 bp	+	41.2%
tRNA-His	Transfer RNA	11,600	11,668	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,669	11,726	58 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,727	11,796	70 bp	+	–
ND5	Protein-coding gene	11,797	13,608	1,812 bp	+	39.3%
ND6	Protein-coding gene	13,605	14,132	528 bp	−	42.2%
tRNA-Glu	Transfer RNA	14,133	14,201	69 bp	−	–
CYTB	Protein-coding gene	14,205	15,344	1,140 bp	+	41.5%
tRNA-Thr	Transfer RNA	15,349	15,417	69 bp	+	–
tRNA-Pro	Transfer RNA	15,419	15,489	71 bp	−	–
D-loop	Control region	15,490	16,856	1,367 bp	–	39.0%