Lampetra aepyptera

Least brook lamprey

Maximum lifespan

8 yr

AnAge record

mtDNA size

16,236 bp

RefSeq NC_026917.1

GC content

38.36%

Whole genome

Non-coding

820 bp

D-loop 719 bp

Where Least brook lamprey sits among 2,335 species

Whole-genome GC content against maximum lifespan. Least brook lamprey has the 1,731st longest lifespan of them.

This species
All other species

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,236 bp

GC skew (G − C) / (G + C): −0.263
AT skew (A − T) / (A + T): +0.029

Life history

Maximum lifespan: 8 years

Lifespan from AnAge · AnAge record

About this record

Lifespan source: AnAge build 15
Based on: an animal in the wild
Data quality: acceptable, medium 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 genome16,236 bp

Protein-coding11,378 bp

12S rRNA902 bp

16S rRNA1,616 bp

All tRNA1,530 bp

D-loop719 bp

Genes and regions

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

Base composition of Lampetra aepyptera genes

ND1NADH dehydrogenase subunit 1	966 bp	28.4%	33.6%	15.2%	22.8%	37.99%	−0.199	−0.085
ND2NADH dehydrogenase subunit 2	1,042 bp	32.5%	29.9%	11.8%	25.7%	37.52%	−0.371	+0.041
COX1Cytochrome c oxidase subunit I	1,554 bp	28.3%	32.3%	15.9%	23.5%	39.38%	−0.193	−0.066
COX2Cytochrome c oxidase subunit II	690 bp	31.6%	31.3%	14.5%	22.6%	37.10%	−0.219	+0.005
ATP8ATP synthase F0 subunit 8	168 bp	34.5%	28.6%	8.3%	28.6%	36.91%	−0.548	+0.094
ATP6ATP synthase F0 subunit 6	679 bp	31.1%	32.3%	10.8%	25.9%	36.67%	−0.414	−0.019
COX3Cytochrome c oxidase subunit III	786 bp	27.6%	29.9%	16.0%	26.5%	42.49%	−0.246	−0.040
ND3NADH dehydrogenase subunit 3	351 bp	25.4%	32.5%	13.7%	28.5%	42.17%	−0.351	−0.123
ND4LNADH dehydrogenase subunit 4L	291 bp	30.9%	30.9%	11.3%	26.8%	38.14%	−0.405	0.000
ND4NADH dehydrogenase subunit 4	1,377 bp	31.4%	32.0%	10.4%	26.2%	36.60%	−0.433	−0.008
ND5NADH dehydrogenase subunit 5	1,797 bp	33.3%	29.7%	11.5%	25.4%	36.95%	−0.377	+0.057
ND6NADH dehydrogenase subunit 6	519 bp	46.4%	14.6%	11.8%	27.2%	38.92%	−0.396	+0.521
CYTBCytochrome b	1,191 bp	27.8%	33.4%	15.2%	23.6%	38.79%	−0.216	−0.092
12S rRNA12S ribosomal RNA	902 bp	32.9%	22.0%	18.6%	26.5%	45.12%	−0.174	+0.200
16S rRNA16S ribosomal RNA	1,616 bp	36.4%	25.2%	17.4%	21.0%	38.37%	−0.094	+0.183
D-loopControl region (D-loop)	719 bp	28.1%	39.9%	12.1%	19.9%	31.99%	−0.243	−0.174

Codon usage

Counts per codon, darker is more frequent

Gene

3,803 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.2%

UUU148

UUC88

Leu L16.0%

UUA171

UUG21

CUU148

CUC50

CUA190

CUG30

Ile I8.4%

AUU209

AUC111

Met M5.7%

AUA178

AUG40

Val V5.0%

GUU80

GUC22

GUA69

GUG18

Ser S7.0%

UCU80

UCC38

UCA81

UCG8

AGU25

AGC36

Pro P5.3%

CCU43

CCC40

CCA107

CCG10

Thr T8.1%

ACU97

ACC72

ACA135

ACG5

Ala A8.0%

GCU97

GCC106

GCA99

GCG4

Tyr Y2.8%

UAU63

UAC45

His H2.6%

CAU36

CAC63

Gln Q2.6%

CAA91

CAG7

Asn N3.7%

AAU73

AAC69

Lys K2.5%

AAA85

AAG9

Asp D1.9%

GAU35

GAC36

Glu E2.5%

GAA79

GAG16

Cys C1.0%

UGU23

UGC15

Trp W2.9%

UGA104

UGG5

Arg R1.9%

CGU18

CGC14

CGA33

CGG6

Gly G5.5%

GGU28

GGC66

GGA83

GGG34

Stop 0.3%

UAA4

UAG2

AGA4

AGG1

Genome map

39 annotated features in NC_026917.1

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-loop2

Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
Middle ring: GC% of each gene against the whole genome (38.4%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 39 features as a table

Annotated features of Lampetra aepyptera (NC_026917.1)
Feature	Type	Start	End	Length	Strand	GC
COX1	Protein-coding gene	1	1,554	1,554 bp	+	39.4%
tRNA-Ser (UCN)	Transfer RNA	1,545	1,616	72 bp	−	–
tRNA-Asp	Transfer RNA	1,617	1,685	69 bp	+	–
COX2	Protein-coding gene	1,689	2,378	690 bp	+	37.1%
tRNA-Lys	Transfer RNA	2,391	2,457	67 bp	+	–
ATP8	Protein-coding gene	2,459	2,626	168 bp	+	36.9%
ATP6	Protein-coding gene	2,617	3,295	679 bp	+	36.7%
COX3	Protein-coding gene	3,296	4,081	786 bp	+	42.5%
tRNA-Gly	Transfer RNA	4,089	4,157	69 bp	+	–
ND3	Protein-coding gene	4,159	4,509	351 bp	+	42.2%
tRNA-Arg	Transfer RNA	4,515	4,580	66 bp	+	–
ND4L	Protein-coding gene	4,588	4,878	291 bp	+	38.1%
ND4	Protein-coding gene	4,872	6,248	1,377 bp	+	36.6%
tRNA-His	Transfer RNA	6,250	6,318	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	6,318	6,387	70 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	6,388	6,459	72 bp	+	–
ND5	Protein-coding gene	6,461	8,257	1,797 bp	+	37.0%
ND6	Protein-coding gene	8,242	8,760	519 bp	−	38.9%
D-loop	Control region	8,761	9,284	524 bp	–	32.0%
tRNA-Thr	Transfer RNA	9,285	9,356	72 bp	+	–
tRNA-Glu	Transfer RNA	9,358	9,428	71 bp	−	–
D-loop	Control region	9,429	9,623	195 bp	–	32.0%
CYTB	Protein-coding gene	9,624	10,814	1,191 bp	+	38.8%
tRNA-Pro	Transfer RNA	10,819	10,889	71 bp	−	–
tRNA-Phe	Transfer RNA	10,900	10,966	67 bp	+	–
12S rRNA	Ribosomal RNA	10,967	11,868	902 bp	+	45.1%
tRNA-Val	Transfer RNA	11,869	11,939	71 bp	+	–
16S rRNA	Ribosomal RNA	11,940	13,555	1,616 bp	+	38.4%
tRNA-Leu (UUR)	Transfer RNA	13,556	13,629	74 bp	+	–
ND1	Protein-coding gene	13,634	14,599	966 bp	+	38.0%
tRNA-Ile	Transfer RNA	14,629	14,697	69 bp	+	–
tRNA-Gln	Transfer RNA	14,700	14,770	71 bp	−	–
tRNA-Met	Transfer RNA	14,771	14,838	68 bp	+	–
ND2	Protein-coding gene	14,840	15,881	1,042 bp	+	37.5%
tRNA-Trp	Transfer RNA	15,882	15,949	68 bp	+	–
tRNA-Ala	Transfer RNA	15,954	16,021	68 bp	−	–
tRNA-Asn	Transfer RNA	16,024	16,092	69 bp	−	–
tRNA-Cys	Transfer RNA	16,094	16,160	67 bp	−	–
tRNA-Tyr	Transfer RNA	16,165	16,235	71 bp	−	–