Esox niger

Chain pickerel

Maximum lifespan

9 yr

AnAge record

mtDNA size

16,775 bp

RefSeq NC_054289.1

GC content

42.55%

Whole genome

Non-coding

1,212 bp

D-loop 1,157 bp

Where Chain pickerel sits among 2,335 species

Whole-genome GC content against maximum lifespan. Chain pickerel has the 1,674th longest lifespan of them.

This species
Other ray-finned fishes
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,775 bp

GC skew (G − C) / (G + C): −0.283
AT skew (A − T) / (A + T): +0.001

Life history

Maximum lifespan: 9 years
Adult weight: 2.3 kg
Female sexual maturity: 2.5 years
Male sexual maturity: 2.5 years

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 04013)

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: 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 genome16,775 bp

Protein-coding11,402 bp

12S rRNA943 bp

16S rRNA1,661 bp

All tRNA1,557 bp

D-loop1,157 bp

Genes and regions

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

Base composition of Esox niger genes

ND1NADH dehydrogenase subunit 1	972 bp	23.8%	31.1%	14.9%	30.2%	45.17%	−0.339	−0.133
ND2NADH dehydrogenase subunit 2	1,048 bp	27.8%	29.1%	11.3%	31.9%	43.13%	−0.478	−0.023
COX1Cytochrome c oxidase subunit I	1,551 bp	24.7%	32.3%	17.5%	25.5%	43.01%	−0.187	−0.133
COX2Cytochrome c oxidase subunit II	691 bp	28.9%	28.8%	15.1%	27.2%	42.26%	−0.288	+0.003
ATP8ATP synthase F0 subunit 8	168 bp	29.2%	28.6%	10.1%	32.1%	42.26%	−0.521	+0.010
ATP6ATP synthase F0 subunit 6	682 bp	24.8%	31.5%	11.7%	32.0%	43.70%	−0.463	−0.120
COX3Cytochrome c oxidase subunit III	786 bp	25.7%	29.3%	16.7%	28.4%	45.04%	−0.260	−0.065
ND3NADH dehydrogenase subunit 3	349 bp	24.9%	33.8%	12.6%	28.7%	41.26%	−0.389	−0.151
ND4LNADH dehydrogenase subunit 4L	297 bp	22.9%	26.9%	17.5%	32.7%	50.17%	−0.302	−0.081
ND4NADH dehydrogenase subunit 4	1,381 bp	27.2%	29.1%	13.8%	29.9%	43.74%	−0.368	−0.035
ND5NADH dehydrogenase subunit 5	1,839 bp	28.2%	29.7%	13.1%	29.0%	42.09%	−0.380	−0.025
ND6NADH dehydrogenase subunit 6	522 bp	41.2%	16.3%	12.1%	30.5%	42.53%	−0.432	+0.433
CYTBCytochrome b	1,137 bp	26.8%	31.5%	13.3%	28.4%	41.69%	−0.363	−0.080
12S rRNA12S ribosomal RNA	943 bp	32.6%	23.3%	20.1%	24.0%	44.12%	−0.087	+0.165
16S rRNA16S ribosomal RNA	1,661 bp	33.1%	23.4%	20.5%	23.1%	43.53%	−0.059	+0.173
D-loopControl region (D-loop)	1,157 bp	33.2%	37.4%	10.2%	19.2%	29.39%	−0.306	−0.060

Codon usage

Counts per codon, darker is more frequent

Gene

3,806 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.3%

UUU135

UUC106

Leu L17.1%

UUA148

UUG28

CUU156

CUC120

CUA156

CUG42

Ile I7.8%

AUU191

AUC105

Met M4.1%

AUA116

AUG41

Val V5.8%

GUU80

GUC41

GUA80

GUG21

Ser S6.6%

UCU73

UCC67

UCA60

UCG3

AGU9

AGC38

Pro P5.9%

CCU53

CCC119

CCA42

CCG9

Thr T7.9%

ACU51

ACC132

ACA110

ACG9

Ala A8.2%

GCU77

GCC143

GCA89

GCG2

Tyr Y2.9%

UAU63

UAC48

His H2.7%

CAU27

CAC76

Gln Q2.5%

CAA89

CAG7

Asn N3.3%

AAU46

AAC80

Lys K2.1%

AAA72

AAG7

Asp D1.8%

GAU26

GAC44

Glu E2.7%

GAA83

GAG20

Cys C0.8%

UGU11

UGC18

Trp W3.2%

UGA101

UGG21

Arg R1.9%

CGU12

CGC14

CGA39

CGG8

Gly G6.1%

GGU48

GGC78

GGA68

GGG40

Stop 0.2%

UAA8

UAG0

AGA0

AGG0

Genome map

38 annotated features in NC_054289.1

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 (42.5%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Esox niger (NC_054289.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	68	68 bp	+	–
12S rRNA	Ribosomal RNA	69	1,011	943 bp	+	44.1%
tRNA-Val	Transfer RNA	1,012	1,082	71 bp	+	–
16S rRNA	Ribosomal RNA	1,083	2,743	1,661 bp	+	43.5%
tRNA-Leu (UUR)	Transfer RNA	2,744	2,818	75 bp	+	–
ND1	Protein-coding gene	2,819	3,790	972 bp	+	45.2%
tRNA-Ile	Transfer RNA	3,793	3,864	72 bp	+	–
tRNA-Gln	Transfer RNA	3,862	3,932	71 bp	−	–
tRNA-Met	Transfer RNA	3,932	4,000	69 bp	+	–
ND2	Protein-coding gene	4,001	5,048	1,048 bp	+	43.1%
tRNA-Trp	Transfer RNA	5,049	5,120	72 bp	+	–
tRNA-Ala	Transfer RNA	5,122	5,190	69 bp	−	–
tRNA-Asn	Transfer RNA	5,192	5,264	73 bp	−	–
tRNA-Cys	Transfer RNA	5,296	5,362	67 bp	−	–
tRNA-Tyr	Transfer RNA	5,363	5,432	70 bp	−	–
COX1	Protein-coding gene	5,434	6,984	1,551 bp	+	43.0%
tRNA-Ser (UCN)	Transfer RNA	6,985	7,055	71 bp	−	–
tRNA-Asp	Transfer RNA	7,061	7,134	74 bp	+	–
COX2	Protein-coding gene	7,140	7,830	691 bp	+	42.3%
tRNA-Lys	Transfer RNA	7,831	7,904	74 bp	+	–
ATP8	Protein-coding gene	7,906	8,073	168 bp	+	42.3%
ATP6	Protein-coding gene	8,064	8,745	682 bp	+	43.7%
COX3	Protein-coding gene	8,746	9,531	786 bp	+	45.0%
tRNA-Gly	Transfer RNA	9,532	9,602	71 bp	+	–
ND3	Protein-coding gene	9,603	9,951	349 bp	+	41.3%
tRNA-Arg	Transfer RNA	9,952	10,021	70 bp	+	–
ND4L	Protein-coding gene	10,022	10,318	297 bp	+	50.2%
ND4	Protein-coding gene	10,312	11,692	1,381 bp	+	43.7%
tRNA-His	Transfer RNA	11,693	11,761	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,762	11,830	69 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,833	11,905	73 bp	+	–
ND5	Protein-coding gene	11,906	13,744	1,839 bp	+	42.1%
ND6	Protein-coding gene	13,741	14,262	522 bp	−	42.5%
tRNA-Glu	Transfer RNA	14,263	14,332	70 bp	−	–
CYTB	Protein-coding gene	14,335	15,471	1,137 bp	+	41.7%
tRNA-Thr	Transfer RNA	15,476	15,549	74 bp	+	–
tRNA-Pro	Transfer RNA	15,549	15,618	70 bp	−	–
D-loop	Control region	15,619	16,775	1,157 bp	–	29.4%