Pomoxis nigromaculatus

Black crappie

Maximum lifespan

15 yr

AnAge record

mtDNA size

16,496 bp

RefSeq NC_028298.1

GC content

46.07%

Whole genome

Non-coding

896 bp

D-loop 827 bp

Where Black crappie sits among 2,335 species

Whole-genome GC content against maximum lifespan. Black crappie has the 1,227th longest lifespan of them.

This species
Other ray-finned fishes
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,496 bp

GC skew (G − C) / (G + C): −0.247
AT skew (A − T) / (A + T): −0.007

Life history

Maximum lifespan: 15 years
Adult weight: 1.5 kg

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 04131)

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 genome16,496 bp

Protein-coding11,411 bp

12S rRNA948 bp

16S rRNA1,694 bp

All tRNA1,551 bp

D-loop827 bp

Genes and regions

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

Base composition of Pomoxis nigromaculatus genes

ND1NADH dehydrogenase subunit 1	975 bp	23.9%	30.4%	16.1%	29.6%	45.74%	−0.296	−0.119
ND2NADH dehydrogenase subunit 2	1,047 bp	25.7%	27.6%	13.5%	33.2%	46.71%	−0.423	−0.036
COX1Cytochrome c oxidase subunit I	1,551 bp	23.6%	29.9%	19.1%	27.4%	46.49%	−0.179	−0.118
COX2Cytochrome c oxidase subunit II	691 bp	27.8%	28.5%	16.9%	26.8%	43.71%	−0.225	−0.013
ATP8ATP synthase F0 subunit 8	168 bp	27.4%	27.4%	12.5%	32.7%	45.24%	−0.447	0.000
ATP6ATP synthase F0 subunit 6	684 bp	24.6%	29.4%	13.6%	32.5%	46.05%	−0.410	−0.089
COX3Cytochrome c oxidase subunit III	786 bp	24.0%	29.6%	17.3%	29.0%	46.31%	−0.253	−0.104
ND3NADH dehydrogenase subunit 3	351 bp	19.7%	30.2%	17.1%	33.0%	50.14%	−0.318	−0.211
ND4LNADH dehydrogenase subunit 4L	297 bp	22.9%	29.0%	15.2%	33.0%	48.15%	−0.371	−0.117
ND4NADH dehydrogenase subunit 4	1,381 bp	23.7%	28.5%	16.4%	31.4%	47.79%	−0.315	−0.093
ND5NADH dehydrogenase subunit 5	1,839 bp	26.9%	28.7%	14.6%	29.9%	44.48%	−0.342	−0.032
ND6NADH dehydrogenase subunit 6	522 bp	36.2%	16.9%	14.8%	32.2%	46.94%	−0.371	+0.365
CYTBCytochrome b	1,141 bp	21.6%	29.6%	16.1%	32.6%	48.73%	−0.338	−0.156
12S rRNA12S ribosomal RNA	948 bp	31.1%	21.4%	21.8%	25.6%	47.47%	−0.080	+0.185
16S rRNA16S ribosomal RNA	1,694 bp	32.2%	22.2%	20.8%	24.7%	45.57%	−0.085	+0.184
D-loopControl region (D-loop)	827 bp	30.7%	31.2%	17.7%	20.4%	38.09%	−0.073	−0.008

Codon usage

Counts per codon, darker is more frequent

Gene

3,810 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.3%

UUU135

UUC105

Leu L17.3%

UUA84

UUG31

CUU158

CUC151

CUA173

CUG61

Ile I6.9%

AUU179

AUC82

Met M4.3%

AUA101

AUG62

Val V5.9%

GUU66

GUC73

GUA55

GUG29

Ser S6.4%

UCU43

UCC83

UCA44

UCG12

AGU12

AGC49

Pro P5.9%

CCU59

CCC112

CCA36

CCG16

Thr T7.7%

ACU63

ACC106

ACA112

ACG12

Ala A9.3%

GCU77

GCC160

GCA104

GCG14

Tyr Y2.9%

UAU61

UAC49

His H2.8%

CAU38

CAC70

Gln Q2.5%

CAA71

CAG25

Asn N3.0%

AAU50

AAC63

Lys K1.9%

AAA62

AAG10

Asp D2.0%

GAU22

GAC53

Glu E2.7%

GAA69

GAG33

Cys C0.7%

UGU9

UGC17

Trp W3.1%

UGA98

UGG22

Arg R2.0%

CGU10

CGC16

CGA42

CGG9

Gly G6.4%

GGU33

GGC109

GGA49

GGG51

Stop 0.3%

UAA7

UAG3

AGA0

AGG0

Genome map

38 annotated features in NC_028298.1

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 (46.1%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Pomoxis nigromaculatus (NC_028298.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	68	68 bp	+	–
12S rRNA	Ribosomal RNA	69	1,016	948 bp	+	47.5%
tRNA-Val	Transfer RNA	1,017	1,088	72 bp	+	–
16S rRNA	Ribosomal RNA	1,089	2,782	1,694 bp	+	45.6%
tRNA-Leu (UUR)	Transfer RNA	2,783	2,856	74 bp	+	–
ND1	Protein-coding gene	2,857	3,831	975 bp	+	45.7%
tRNA-Ile	Transfer RNA	3,835	3,904	70 bp	+	–
tRNA-Gln	Transfer RNA	3,904	3,974	71 bp	−	–
tRNA-Met	Transfer RNA	3,974	4,042	69 bp	+	–
ND2	Protein-coding gene	4,043	5,089	1,047 bp	+	46.7%
tRNA-Trp	Transfer RNA	5,089	5,160	72 bp	+	–
tRNA-Ala	Transfer RNA	5,163	5,231	69 bp	−	–
tRNA-Asn	Transfer RNA	5,233	5,305	73 bp	−	–
tRNA-Cys	Transfer RNA	5,342	5,406	65 bp	−	–
tRNA-Tyr	Transfer RNA	5,407	5,476	70 bp	−	–
COX1	Protein-coding gene	5,478	7,028	1,551 bp	+	46.5%
tRNA-Ser (UCN)	Transfer RNA	7,029	7,099	71 bp	−	–
tRNA-Asp	Transfer RNA	7,103	7,175	73 bp	+	–
COX2	Protein-coding gene	7,183	7,873	691 bp	+	43.7%
tRNA-Lys	Transfer RNA	7,874	7,947	74 bp	+	–
ATP8	Protein-coding gene	7,949	8,116	168 bp	+	45.2%
ATP6	Protein-coding gene	8,107	8,790	684 bp	+	46.1%
COX3	Protein-coding gene	8,790	9,575	786 bp	+	46.3%
tRNA-Gly	Transfer RNA	9,575	9,646	72 bp	+	–
ND3	Protein-coding gene	9,647	9,997	351 bp	+	50.1%
tRNA-Arg	Transfer RNA	9,996	10,064	69 bp	+	–
ND4L	Protein-coding gene	10,065	10,361	297 bp	+	48.2%
ND4	Protein-coding gene	10,355	11,735	1,381 bp	+	47.8%
tRNA-His	Transfer RNA	11,736	11,804	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,805	11,872	68 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,877	11,949	73 bp	+	–
ND5	Protein-coding gene	11,950	13,788	1,839 bp	+	44.5%
ND6	Protein-coding gene	13,785	14,306	522 bp	−	46.9%
tRNA-Glu	Transfer RNA	14,307	14,375	69 bp	−	–
CYTB	Protein-coding gene	14,380	15,520	1,141 bp	+	48.7%
tRNA-Thr	Transfer RNA	15,521	15,592	72 bp	+	–
tRNA-Pro	Transfer RNA	15,600	15,669	70 bp	−	–
D-loop	Control region	15,670	16,496	827 bp	–	38.1%