Ommastrephes bartramii

Neon flying squid

Maximum lifespan

1 yr

SeaLifeBase record

mtDNA size

20,308 bp

RefSeq NC_020348.1

GC content

35.60%

Whole genome

Non-coding

1,382 bp

D-loop 1,125 bp

Where Neon flying squid sits among 2,335 species

Whole-genome GC content against maximum lifespan. Neon flying squid has the 2,305th longest lifespan of them.

This species
All other species

Plot other mtDNA features with this species highlighted

Base composition

Whole genome20,308 bp

GC skew (G − C) / (G + C): −0.266
AT skew (A − T) / (A + T): +0.040

Life history

Maximum lifespan: 1 year

Lifespan from SeaLifeBase · SeaLifeBase record

About this record

Lifespan source: SeaLifeBase v26.06
Based on: an animal in the wild
Data quality: acceptable
Licence: CC BY-NC 4.0
Status: New in build 2
In the database since: build 2 (2026-11-13)

The lifespan value is for non-commercial use only; the genome data is not restricted by it.

Every change against the 2015 build is in the changelog download.

Composition by region

Reference (L) strand as deposited in RefSeq

Whole genome20,308 bp

Protein-coding15,002 bp

12S rRNA991 bp

16S rRNA1,393 bp

All tRNA1,540 bp

D-loop1,125 bp

Genes and regions

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

Base composition of Ommastrephes bartramii genes

ND1NADH dehydrogenase subunit 1	936 bp	39.1%	21.3%	12.8%	26.8%	39.64%	−0.353	+0.296
ND2NADH dehydrogenase subunit 2	1,041 bp	30.2%	34.7%	12.2%	23.0%	35.16%	−0.306	−0.070
COX1Cytochrome c oxidase subunit I	1,533 bp	25.3%	34.1%	17.3%	23.4%	40.64%	−0.149	−0.147
COX2Cytochrome c oxidase subunit II	688 bp	31.1%	31.8%	15.1%	21.9%	37.06%	−0.184	−0.012
ATP8ATP synthase F0 subunit 8	156 bp	41.7%	34.0%	5.8%	18.6%	24.36%	−0.526	+0.102
ATP6ATP synthase F0 subunit 6	693 bp	27.4%	36.8%	12.6%	23.2%	35.79%	−0.298	−0.146
COX3Cytochrome c oxidase subunit III	780 bp	22.9%	32.8%	18.8%	25.4%	44.23%	−0.148	−0.177
ND3NADH dehydrogenase subunit 3	354 bp	26.0%	36.2%	15.5%	22.3%	37.85%	−0.179	−0.164
ND4LNADH dehydrogenase subunit 4L	297 bp	42.4%	24.9%	9.1%	23.6%	32.66%	−0.443	+0.260
ND4NADH dehydrogenase subunit 4	1,364 bp	40.8%	25.2%	10.1%	23.9%	34.02%	−0.405	+0.236
ND5NADH dehydrogenase subunit 5	1,698 bp	39.3%	25.8%	12.7%	22.2%	34.87%	−0.274	+0.208
ND6NADH dehydrogenase subunit 6	507 bp	42.6%	23.3%	10.1%	24.1%	34.12%	−0.410	+0.293
CYTBCytochrome b	1,138 bp	40.2%	21.3%	15.4%	23.2%	38.58%	−0.203	+0.308
12S rRNA12S ribosomal RNA	991 bp	37.5%	31.1%	10.1%	21.3%	31.38%	−0.357	+0.094
16S rRNA16S ribosomal RNA	1,393 bp	36.8%	32.8%	8.8%	21.5%	30.39%	−0.418	+0.057
D-loopControl region (D-loop)	1,125 bp	36.4%	34.8%	8.4%	20.4%	28.83%	−0.414	+0.023

Codon usage

Counts per codon, darker is more frequent

Gene

3,727 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).

Phe F8.4%

UUU204

UUC108

Leu L15.5%

UUA188

UUG119

CUU64

CUC39

CUA113

CUG53

Ile I8.2%

AUU210

AUC94

Met M7.0%

AUA155

AUG106

Val V7.4%

GUU88

GUC27

GUA83

GUG77

Ser S9.4%

UCU75

UCC56

UCA37

UCG19

AGU39

AGC22

AGA52

AGG49

Pro P3.4%

CCU64

CCC35

CCA21

CCG8

Thr T4.5%

ACU69

ACC41

ACA39

ACG17

Ala A4.4%

GCU63

GCC43

GCA26

GCG33

Tyr Y4.1%

UAU94

UAC60

His H2.2%

CAU41

CAC42

Gln Q1.6%

CAA41

CAG20

Asn N4.3%

AAU102

AAC58

Lys K2.4%

AAA53

AAG35

Asp D2.1%

GAU49

GAC28

Glu E2.1%

GAA43

GAG37

Cys C1.9%

UGU52

UGC17

Trp W2.8%

UGA64

UGG40

Arg R1.5%

CGU18

CGC3

CGA25

CGG10

Gly G6.7%

GGU77

GGC25

GGA56

GGG91

Stop 0.3%

UAA6

UAG4

Genome map

45 annotated features in NC_020348.1

Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.

Protein-coding18
rRNA2
tRNA23
D-loop2

Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
Middle ring: GC% of each gene against the whole genome (35.6%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 45 features as a table

Annotated features of Ommastrephes bartramii (NC_020348.1)
Feature	Type	Start	End	Length	Strand	GC
COX3	Protein-coding gene	1	780	780 bp	+	44.2%
tRNA-Lys	Transfer RNA	786	855	70 bp	+	–
tRNA-Arg	Transfer RNA	854	920	67 bp	−	–
tRNA-Ser	Transfer RNA	961	1,027	67 bp	+	–
ND2	Protein-coding gene	1,029	2,069	1,041 bp	+	35.2%
COX1	Protein-coding gene	2,041	3,573	1,533 bp	+	40.6%
COX2	Protein-coding gene	3,575	4,262	688 bp	+	37.1%
tRNA-Asp	Transfer RNA	4,263	4,329	67 bp	+	–
ATP8	Protein-coding gene	4,331	4,486	156 bp	+	24.4%
ATP6	Protein-coding gene	4,488	5,180	693 bp	+	35.8%
ND5	Protein-coding gene	5,205	6,902	1,698 bp	−	34.9%
tRNA-His	Transfer RNA	6,903	6,968	66 bp	−	–
ND4	Protein-coding gene	6,969	8,332	1,364 bp	−	34.0%
ND4L	Protein-coding gene	8,329	8,625	297 bp	−	32.7%
tRNA-Thr	Transfer RNA	8,631	8,695	65 bp	+	–
tRNA-Ser	Transfer RNA	8,697	8,762	66 bp	−	–
CYTB	Protein-coding gene	8,763	9,900	1,138 bp	−	38.6%
ND6	Protein-coding gene	9,905	10,411	507 bp	−	34.1%
tRNA-Pro	Transfer RNA	10,413	10,479	67 bp	−	–
ND1	Protein-coding gene	10,480	11,415	936 bp	−	39.6%
tRNA-Leu	Transfer RNA	11,416	11,485	70 bp	−	–
tRNA-Leu	Transfer RNA	11,493	11,558	66 bp	−	–
16S rRNA	Ribosomal RNA	11,559	12,951	1,393 bp	−	30.4%
tRNA-Met	Transfer RNA	12,974	13,045	72 bp	−	–
tRNA-Tyr	Transfer RNA	13,050	13,114	65 bp	−	–
tRNA-Trp	Transfer RNA	13,115	13,180	66 bp	−	–
tRNA-Gly	Transfer RNA	13,199	13,263	65 bp	−	–
tRNA-Glu	Transfer RNA	13,264	13,339	76 bp	−	–
D-loop	Control region	13,339	13,900	562 bp	–	28.8%
COX3	Protein-coding gene	13,901	14,680	780 bp	+	44.2%
tRNA-Ala	Transfer RNA	14,712	14,778	67 bp	+	–
tRNA-Asn	Transfer RNA	14,788	14,855	68 bp	+	–
tRNA-Ile	Transfer RNA	14,859	14,922	64 bp	+	–
ND3	Protein-coding gene	14,923	15,276	354 bp	+	37.9%
COX1	Protein-coding gene	15,321	16,853	1,533 bp	+	40.6%
COX2	Protein-coding gene	16,855	17,542	688 bp	+	37.1%
tRNA-Asp	Transfer RNA	17,543	17,609	67 bp	+	–
ATP8	Protein-coding gene	17,611	17,766	156 bp	+	24.4%
ATP6	Protein-coding gene	17,768	18,460	693 bp	+	35.8%
tRNA-Phe	Transfer RNA	18,486	18,549	64 bp	−	–
tRNA-Val	Transfer RNA	18,551	18,615	65 bp	−	–
12S rRNA	Ribosomal RNA	18,619	19,609	991 bp	−	31.4%
tRNA-Cys	Transfer RNA	19,610	19,674	65 bp	−	–
tRNA-Gln	Transfer RNA	19,679	19,745	67 bp	−	–
D-loop	Control region	19,746	20,308	563 bp	–	28.8%