Bathyraja parmifera

Alaska skate

Maximum lifespan

17 yr

AnAge record

mtDNA size

16,785 bp

RefSeq NC_082774.1

GC content

33.80%

Whole genome

Non-coding

1,190 bp

Including the D-loop

Where Alaska skate sits among 2,335 species

Whole-genome GC content against maximum lifespan. Alaska skate has the 1,114th longest lifespan of them.

This species
Other sharks and rays
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,785 bp

GC skew (G − C) / (G + C): −0.207
AT skew (A − T) / (A + T): −0.029

Life history

Maximum lifespan: 17 years
Adult weight: 10 kg
Female sexual maturity: 10 years
Male sexual maturity: 8 years

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 01820)

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 genome16,785 bp

Protein-coding11,411 bp

12S rRNA962 bp

16S rRNA1,676 bp

All tRNA1,546 bp

Genes and regions

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

Base composition of Bathyraja parmifera genes

ND1NADH dehydrogenase subunit 1	975 bp	31.5%	36.1%	11.0%	21.4%	32.41%	−0.323	−0.068
ND2NADH dehydrogenase subunit 2	1,046 bp	33.3%	34.5%	9.4%	22.8%	32.22%	−0.418	−0.018
COX1Cytochrome c oxidase subunit I	1,557 bp	27.6%	37.1%	16.3%	19.1%	35.39%	−0.078	−0.147
COX2Cytochrome c oxidase subunit II	691 bp	34.4%	33.0%	14.0%	18.5%	32.56%	−0.138	+0.021
ATP8ATP synthase F0 subunit 8	168 bp	36.3%	37.5%	7.1%	19.0%	26.19%	−0.455	−0.016
ATP6ATP synthase F0 subunit 6	684 bp	30.4%	38.3%	9.8%	21.5%	31.29%	−0.374	−0.115
COX3Cytochrome c oxidase subunit III	786 bp	28.6%	34.1%	15.5%	21.8%	37.28%	−0.167	−0.087
ND3NADH dehydrogenase subunit 3	349 bp	24.9%	39.3%	13.5%	22.3%	35.82%	−0.248	−0.223
ND4LNADH dehydrogenase subunit 4L	297 bp	27.9%	36.0%	11.1%	24.9%	36.03%	−0.383	−0.126
ND4NADH dehydrogenase subunit 4	1,381 bp	30.3%	36.4%	11.7%	21.7%	33.31%	−0.300	−0.092
ND5NADH dehydrogenase subunit 5	1,836 bp	30.5%	35.5%	11.8%	22.2%	33.99%	−0.308	−0.076
ND6NADH dehydrogenase subunit 6	519 bp	43.2%	23.3%	8.9%	24.7%	33.53%	−0.471	+0.299
CYTBCytochrome b	1,143 bp	28.8%	37.4%	12.7%	21.2%	33.86%	−0.251	−0.130
12S rRNA12S ribosomal RNA	962 bp	33.1%	28.6%	18.3%	20.1%	38.36%	−0.046	+0.073
16S rRNA16S ribosomal RNA	1,676 bp	36.0%	28.5%	17.2%	18.2%	35.44%	−0.027	+0.116

Codon usage

Counts per codon, darker is more frequent

Gene

3,809 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.4%

UUU177

UUC66

Leu L17.0%

UUA292

UUG14

CUU181

CUC48

CUA104

CUG10

Ile I9.5%

AUU285

AUC76

Met M5.1%

AUA160

AUG35

Val V4.5%

GUU70

GUC17

GUA72

GUG12

Ser S6.8%

UCU62

UCC39

UCA100

UCG6

AGU35

AGC17

Pro P5.5%

CCU63

CCC21

CCA124

CCG1

Thr T7.4%

ACU89

ACC57

ACA131

ACG3

Ala A7.1%

GCU100

GCC78

GCA87

GCG5

Tyr Y3.3%

UAU99

UAC25

His H2.6%

CAU63

CAC37

Gln Q2.6%

CAA95

CAG5

Asn N3.9%

AAU102

AAC45

Lys K2.2%

AAA73

AAG9

Asp D1.9%

GAU59

GAC14

Glu E2.7%

GAA94

GAG7

Cys C0.7%

UGU20

UGC5

Trp W3.1%

UGA102

UGG17

Arg R1.8%

CGU18

CGC13

CGA31

CGG7

Gly G5.9%

GGU82

GGC25

GGA86

GGG30

Stop 0.2%

UAA9

UAG0

AGA0

AGG0

Genome map

37 annotated features in NC_082774.1

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

Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
Middle ring: GC% of each gene against the whole genome (33.8%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 37 features as a table

Annotated features of Bathyraja parmifera (NC_082774.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	69	69 bp	+	–
12S rRNA	Ribosomal RNA	70	1,031	962 bp	+	38.4%
tRNA-Val	Transfer RNA	1,032	1,103	72 bp	+	–
16S rRNA	Ribosomal RNA	1,104	2,779	1,676 bp	+	35.4%
tRNA-Leu (UUR)	Transfer RNA	2,780	2,854	75 bp	+	–
ND1	Protein-coding gene	2,855	3,829	975 bp	+	32.4%
tRNA-Ile	Transfer RNA	3,830	3,899	70 bp	+	–
tRNA-Gln	Transfer RNA	3,899	3,970	72 bp	−	–
tRNA-Met	Transfer RNA	3,971	4,039	69 bp	+	–
ND2	Protein-coding gene	4,040	5,085	1,046 bp	+	32.2%
tRNA-Trp	Transfer RNA	5,086	5,154	69 bp	+	–
tRNA-Ala	Transfer RNA	5,156	5,224	69 bp	−	–
tRNA-Asn	Transfer RNA	5,225	5,297	73 bp	−	–
tRNA-Cys	Transfer RNA	5,332	5,398	67 bp	−	–
tRNA-Tyr	Transfer RNA	5,399	5,468	70 bp	−	–
COX1	Protein-coding gene	5,470	7,026	1,557 bp	+	35.4%
tRNA-Ser (UCN)	Transfer RNA	7,027	7,097	71 bp	−	–
tRNA-Asp	Transfer RNA	7,098	7,166	69 bp	+	–
COX2	Protein-coding gene	7,172	7,862	691 bp	+	32.6%
tRNA-Lys	Transfer RNA	7,863	7,935	73 bp	+	–
ATP8	Protein-coding gene	7,937	8,104	168 bp	+	26.2%
ATP6	Protein-coding gene	8,095	8,778	684 bp	+	31.3%
COX3	Protein-coding gene	8,781	9,566	786 bp	+	37.3%
tRNA-Gly	Transfer RNA	9,568	9,637	70 bp	+	–
ND3	Protein-coding gene	9,638	9,986	349 bp	+	35.8%
tRNA-Arg	Transfer RNA	9,987	10,055	69 bp	+	–
ND4L	Protein-coding gene	10,056	10,352	297 bp	+	36.0%
ND4	Protein-coding gene	10,346	11,726	1,381 bp	+	33.3%
tRNA-His	Transfer RNA	11,727	11,795	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,796	11,862	67 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,863	11,934	72 bp	+	–
ND5	Protein-coding gene	11,935	13,770	1,836 bp	+	34.0%
ND6	Protein-coding gene	13,767	14,285	519 bp	−	33.5%
tRNA-Glu	Transfer RNA	14,287	14,355	69 bp	−	–
CYTB	Protein-coding gene	14,359	15,501	1,143 bp	+	33.9%
tRNA-Thr	Transfer RNA	15,504	15,576	73 bp	+	–
tRNA-Pro	Transfer RNA	15,584	15,653	70 bp	−	–