Gadus chalcogrammus

Alaska pollock

Maximum lifespan

15 yr

AnAge record

mtDNA size

16,571 bp

RefSeq NC_004449.1

GC content

42.37%

Whole genome

Non-coding

1,007 bp

D-loop 850 bp

Where Alaska pollock sits among 2,335 species

Whole-genome GC content against maximum lifespan. Alaska pollock has the 1,254th longest lifespan of them.

This species
Other ray-finned fishes
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,571 bp

GC skew (G − C) / (G + C): −0.214
AT skew (A − T) / (A + T): −0.024

Life history

Maximum lifespan: 15 years
Adult weight: 770 g
Female sexual maturity: 3.5 years
Male sexual maturity: 3 years

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 04022)

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 genome16,571 bp

Protein-coding11,405 bp

12S rRNA953 bp

16S rRNA1,665 bp

All tRNA1,541 bp

D-loop850 bp

Genes and regions

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

Base composition of Gadus chalcogrammus genes

ND1NADH dehydrogenase subunit 1	975 bp	24.2%	32.5%	16.2%	27.1%	43.28%	−0.251	−0.146
ND2NADH dehydrogenase subunit 2	1,045 bp	27.2%	30.8%	13.8%	28.2%	42.01%	−0.344	−0.063
COX1Cytochrome c oxidase subunit I	1,551 bp	25.3%	32.2%	17.6%	24.9%	42.49%	−0.171	−0.119
COX2Cytochrome c oxidase subunit II	691 bp	29.8%	30.2%	15.6%	24.3%	39.94%	−0.217	−0.007
ATP8ATP synthase F0 subunit 8	168 bp	31.0%	26.8%	10.1%	32.1%	42.26%	−0.521	+0.072
ATP6ATP synthase F0 subunit 6	684 bp	26.3%	33.9%	12.6%	27.2%	39.77%	−0.368	−0.126
COX3Cytochrome c oxidase subunit III	785 bp	25.2%	30.7%	17.1%	27.0%	44.08%	−0.225	−0.098
ND3NADH dehydrogenase subunit 3	349 bp	24.6%	33.8%	14.9%	26.6%	41.55%	−0.283	−0.157
ND4LNADH dehydrogenase subunit 4L	297 bp	22.6%	30.6%	15.5%	31.3%	46.80%	−0.338	−0.152
ND4NADH dehydrogenase subunit 4	1,381 bp	26.0%	32.4%	15.0%	26.6%	41.64%	−0.280	−0.109
ND5NADH dehydrogenase subunit 5	1,839 bp	28.1%	31.5%	14.4%	26.0%	40.46%	−0.288	−0.058
ND6NADH dehydrogenase subunit 6	522 bp	36.8%	17.6%	15.3%	30.3%	45.59%	−0.328	+0.352
CYTBCytochrome b	1,141 bp	24.8%	34.1%	15.2%	25.9%	41.10%	−0.258	−0.158
12S rRNA12S ribosomal RNA	953 bp	31.8%	22.6%	22.0%	23.6%	45.65%	−0.034	+0.170
16S rRNA16S ribosomal RNA	1,665 bp	33.2%	23.2%	20.3%	23.2%	43.54%	−0.068	+0.177
D-loopControl region (D-loop)	850 bp	30.4%	35.1%	14.2%	20.4%	34.59%	−0.177	−0.072

Codon usage

Counts per codon, darker is more frequent

Gene

3,807 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.1%

UUU135

UUC98

Leu L17.2%

UUA158

UUG22

CUU177

CUC101

CUA165

CUG32

Ile I6.5%

AUU180

AUC68

Met M4.6%

AUA125

AUG51

Val V6.2%

GUU89

GUC33

GUA90

GUG25

Ser S6.8%

UCU67

UCC50

UCA72

UCG8

AGU23

AGC39

Pro P5.7%

CCU79

CCC85

CCA48

CCG4

Thr T7.7%

ACU86

ACC80

ACA119

ACG10

Ala A9.2%

GCU103

GCC117

GCA121

GCG8

Tyr Y2.8%

UAU66

UAC42

His H2.8%

CAU49

CAC57

Gln Q2.5%

CAA78

CAG16

Asn N2.9%

AAU64

AAC47

Lys K1.9%

AAA55

AAG16

Asp D2.1%

GAU47

GAC32

Glu E2.5%

GAA72

GAG25

Cys C0.7%

UGU18

UGC9

Trp W3.2%

UGA104

UGG16

Arg R2.0%

CGU15

CGC14

CGA30

CGG16

Gly G6.4%

GGU57

GGC78

GGA73

GGG36

Stop 0.2%

UAA5

UAG1

AGA0

AGG1

Genome map

38 annotated features in NC_004449.1

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 (42.4%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Gadus chalcogrammus (NC_004449.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	68	68 bp	+	–
12S rRNA	Ribosomal RNA	69	1,021	953 bp	+	45.7%
tRNA-Val	Transfer RNA	1,022	1,093	72 bp	+	–
16S rRNA	Ribosomal RNA	1,094	2,758	1,665 bp	+	43.5%
tRNA-Leu (UUR)	Transfer RNA	2,759	2,832	74 bp	+	–
ND1	Protein-coding gene	2,833	3,807	975 bp	+	43.3%
tRNA-Ile	Transfer RNA	3,809	3,878	70 bp	+	–
tRNA-Gln	Transfer RNA	3,878	3,948	71 bp	−	–
tRNA-Met	Transfer RNA	3,948	4,017	70 bp	+	–
ND2	Protein-coding gene	4,018	5,062	1,045 bp	+	42.0%
tRNA-Trp	Transfer RNA	5,063	5,132	70 bp	+	–
tRNA-Ala	Transfer RNA	5,134	5,202	69 bp	−	–
tRNA-Asn	Transfer RNA	5,205	5,277	73 bp	−	–
tRNA-Cys	Transfer RNA	5,310	5,376	67 bp	+	–
tRNA-Tyr	Transfer RNA	5,377	5,443	67 bp	−	–
COX1	Protein-coding gene	5,445	6,995	1,551 bp	+	42.5%
tRNA-Ser (UCN)	Transfer RNA	6,998	7,068	71 bp	−	–
tRNA-Asp	Transfer RNA	7,072	7,139	68 bp	+	–
COX2	Protein-coding gene	7,153	7,843	691 bp	+	39.9%
tRNA-Lys	Transfer RNA	7,844	7,917	74 bp	+	–
ATP8	Protein-coding gene	7,919	8,086	168 bp	+	42.3%
ATP6	Protein-coding gene	8,077	8,760	684 bp	+	39.8%
COX3	Protein-coding gene	8,760	9,544	785 bp	+	44.1%
tRNA-Gly	Transfer RNA	9,545	9,614	70 bp	+	–
ND3	Protein-coding gene	9,615	9,963	349 bp	+	41.6%
tRNA-Arg	Transfer RNA	9,964	10,032	69 bp	+	–
ND4L	Protein-coding gene	10,033	10,329	297 bp	+	46.8%
ND4	Protein-coding gene	10,323	11,703	1,381 bp	+	41.6%
tRNA-His	Transfer RNA	11,704	11,772	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,773	11,840	68 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,843	11,915	73 bp	+	–
ND5	Protein-coding gene	11,916	13,754	1,839 bp	+	40.5%
ND6	Protein-coding gene	13,750	14,271	522 bp	−	45.6%
tRNA-Glu	Transfer RNA	14,272	14,340	69 bp	−	–
CYTB	Protein-coding gene	14,345	15,485	1,141 bp	+	41.1%
tRNA-Thr	Transfer RNA	15,486	15,556	71 bp	+	–
tRNA-Pro	Transfer RNA	15,629	15,698	70 bp	−	–
D-loop	Control region	15,722	16,571	850 bp	–	34.6%