Lepisosteus oculatus

Spotted gar

Maximum lifespan

18 yr

AnAge record

mtDNA size

16,330 bp

RefSeq NC_004744.1

GC content

42.41%

Whole genome

Non-coding

654 bp

D-loop 581 bp

Where Spotted gar sits among 2,335 species

Whole-genome GC content against maximum lifespan. Spotted gar has the 1,035th longest lifespan of them.

This species
Other ray-finned fishes
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,330 bp

GC skew (G − C) / (G + C): −0.281
AT skew (A − T) / (A + T): +0.076

Life history

Maximum lifespan: 18 years
Adult weight: 2.4 kg

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 01884)

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 genome16,330 bp

Protein-coding11,474 bp

12S rRNA959 bp

16S rRNA1,687 bp

All tRNA1,562 bp

D-loop581 bp

Genes and regions

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

Base composition of Lepisosteus oculatus genes

ND1NADH dehydrogenase subunit 1	975 bp	29.8%	28.7%	13.1%	28.3%	41.44%	−0.366	+0.019
ND2NADH dehydrogenase subunit 2	1,045 bp	35.5%	26.0%	9.9%	28.6%	38.47%	−0.488	+0.154
COX1Cytochrome c oxidase subunit I	1,557 bp	27.0%	29.7%	17.3%	25.9%	43.22%	−0.201	−0.048
COX2Cytochrome c oxidase subunit II	691 bp	30.7%	27.4%	15.3%	26.6%	41.97%	−0.269	+0.057
ATP8ATP synthase F0 subunit 8	168 bp	31.0%	25.0%	8.3%	35.7%	44.05%	−0.622	+0.106
ATP6ATP synthase F0 subunit 6	684 bp	27.8%	29.5%	12.0%	30.7%	42.69%	−0.438	−0.031
COX3Cytochrome c oxidase subunit III	785 bp	27.5%	27.0%	15.8%	29.7%	45.48%	−0.305	+0.009
ND3NADH dehydrogenase subunit 3	349 bp	26.4%	29.8%	13.5%	30.4%	43.84%	−0.386	−0.061
ND4LNADH dehydrogenase subunit 4L	297 bp	27.6%	29.0%	14.5%	29.0%	43.43%	−0.333	−0.024
ND4NADH dehydrogenase subunit 4	1,381 bp	29.8%	27.8%	13.6%	28.8%	42.43%	−0.358	+0.034
ND5NADH dehydrogenase subunit 5	1,905 bp	31.5%	27.9%	11.9%	28.7%	40.58%	−0.413	+0.062
ND6NADH dehydrogenase subunit 6	519 bp	41.0%	15.0%	10.6%	33.3%	43.93%	−0.518	+0.464
CYTBCytochrome b	1,141 bp	28.7%	29.8%	13.6%	28.0%	41.54%	−0.346	−0.019
12S rRNA12S ribosomal RNA	959 bp	32.3%	20.3%	21.4%	26.0%	47.34%	−0.097	+0.228
16S rRNA16S ribosomal RNA	1,687 bp	35.4%	22.0%	18.9%	23.6%	42.55%	−0.110	+0.233
D-loopControl region (D-loop)	581 bp	29.6%	34.4%	18.4%	17.6%	35.97%	+0.024	−0.075

Codon usage

Counts per codon, darker is more frequent

Gene

3,830 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.1%

UUU129

UUC104

Leu L16.8%

UUA120

UUG26

CUU115

CUC110

CUA236

CUG35

Ile I7.9%

AUU198

AUC103

Met M4.9%

AUA149

AUG39

Val V5.2%

GUU54

GUC43

GUA87

GUG14

Ser S6.3%

UCU38

UCC67

UCA77

UCG7

AGU19

AGC33

Pro P5.9%

CCU34

CCC76

CCA109

CCG7

Thr T8.4%

ACU50

ACC134

ACA132

ACG7

Ala A8.0%

GCU61

GCC130

GCA102

GCG14

Tyr Y3.2%

UAU64

UAC57

His H2.6%

CAU31

CAC67

Gln Q2.6%

CAA93

CAG8

Asn N3.2%

AAU40

AAC83

Lys K2.2%

AAA75

AAG8

Asp D2.0%

GAU22

GAC54

Glu E2.7%

GAA91

GAG13

Cys C0.8%

UGU12

UGC17

Trp W3.2%

UGA113

UGG9

Arg R2.0%

CGU7

CGC9

CGA55

CGG5

Gly G6.0%

GGU31

GGC47

GGA115

GGG38

Stop 0.2%

UAA5

UAG0

AGA1

AGG1

Genome map

38 annotated features in NC_004744.1

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 Lepisosteus oculatus (NC_004744.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	68	68 bp	+	–
12S rRNA	Ribosomal RNA	69	1,027	959 bp	+	47.3%
tRNA-Val	Transfer RNA	1,028	1,098	71 bp	+	–
16S rRNA	Ribosomal RNA	1,099	2,785	1,687 bp	+	42.6%
tRNA-Leu (UUR)	Transfer RNA	2,786	2,860	75 bp	+	–
ND1	Protein-coding gene	2,861	3,835	975 bp	+	41.4%
tRNA-Ile	Transfer RNA	3,843	3,913	71 bp	+	–
tRNA-Gln	Transfer RNA	3,913	3,983	71 bp	−	–
tRNA-Met	Transfer RNA	3,983	4,051	69 bp	+	–
ND2	Protein-coding gene	4,052	5,096	1,045 bp	+	38.5%
tRNA-Trp	Transfer RNA	5,097	5,167	71 bp	+	–
tRNA-Ala	Transfer RNA	5,169	5,237	69 bp	−	–
tRNA-Asn	Transfer RNA	5,239	5,311	73 bp	−	–
tRNA-Cys	Transfer RNA	5,350	5,415	66 bp	−	–
tRNA-Tyr	Transfer RNA	5,415	5,485	71 bp	−	–
COX1	Protein-coding gene	5,487	7,043	1,557 bp	+	43.2%
tRNA-Ser (UCN)	Transfer RNA	7,039	7,109	71 bp	−	–
tRNA-Asp	Transfer RNA	7,112	7,189	78 bp	+	–
COX2	Protein-coding gene	7,200	7,890	691 bp	+	42.0%
tRNA-Lys	Transfer RNA	7,890	7,964	75 bp	+	–
ATP8	Protein-coding gene	7,965	8,132	168 bp	+	44.1%
ATP6	Protein-coding gene	8,123	8,806	684 bp	+	42.7%
COX3	Protein-coding gene	8,806	9,590	785 bp	+	45.5%
tRNA-Gly	Transfer RNA	9,591	9,662	72 bp	+	–
ND3	Protein-coding gene	9,663	10,011	349 bp	+	43.8%
tRNA-Arg	Transfer RNA	10,012	10,081	70 bp	+	–
ND4L	Protein-coding gene	10,082	10,378	297 bp	+	43.4%
ND4	Protein-coding gene	10,372	11,752	1,381 bp	+	42.4%
tRNA-His	Transfer RNA	11,753	11,821	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,821	11,892	72 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,893	11,964	72 bp	+	–
ND5	Protein-coding gene	11,965	13,869	1,905 bp	+	40.6%
ND6	Protein-coding gene	13,865	14,383	519 bp	−	43.9%
tRNA-Glu	Transfer RNA	14,384	14,452	69 bp	−	–
CYTB	Protein-coding gene	14,456	15,596	1,141 bp	+	41.5%
tRNA-Thr	Transfer RNA	15,597	15,669	73 bp	+	–
tRNA-Pro	Transfer RNA	15,680	15,749	70 bp	−	–
D-loop	Control region	15,750	16,330	581 bp	–	36.0%