GC content
46.32%
Whole genome
Non-coding
1,614 bp
Including the D-loop

Where Flathead sole sits among 2,335 species

Whole-genome GC content against maximum lifespan. Flathead sole has the 557th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Flathead sole
  • This species
  • Other ray-finned fishes
  • Other classes

Base composition

Whole genome17,216 bp
GC skew (G − C) / (G + C)
−0.241
AT skew (A − T) / (A + T)
+0.010

Life history

Maximum lifespan
27 years

Lifespan from FishBase · FishBase record

About this record

Lifespan source
FishBase 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 genome17,216 bp
Protein-coding11,390 bp
12S rRNA949 bp
16S rRNA1,715 bp
All tRNA1,548 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Hippoglossoides elassodon genes
Composition
ND1NADH dehydrogenase subunit 1975 bp23.0%29.0%17.4%30.6%48.00%−0.274−0.116
ND2NADH dehydrogenase subunit 21,045 bp24.0%26.2%14.6%35.1%49.76%−0.412−0.044
COX1Cytochrome c oxidase subunit I1,560 bp24.4%29.1%19.0%27.5%46.54%−0.182−0.089
COX2Cytochrome c oxidase subunit II691 bp27.5%27.2%18.2%27.1%45.30%−0.195+0.005
ATP8ATP synthase F0 subunit 8168 bp32.1%24.4%11.3%32.1%43.45%−0.479+0.137
ATP6ATP synthase F0 subunit 6684 bp22.2%31.7%14.8%31.3%46.05%−0.359−0.176
COX3Cytochrome c oxidase subunit III785 bp22.3%28.8%18.0%31.0%48.92%−0.266−0.127
ND3NADH dehydrogenase subunit 3349 bp19.8%30.9%16.9%32.4%49.28%−0.314−0.220
ND4LNADH dehydrogenase subunit 4L297 bp21.5%25.9%17.2%35.4%52.53%−0.346−0.092
ND4NADH dehydrogenase subunit 41,381 bp25.0%29.0%16.4%29.5%45.98%−0.285−0.075
ND5NADH dehydrogenase subunit 51,851 bp27.0%27.1%16.2%29.7%45.87%−0.296−0.002
ND6NADH dehydrogenase subunit 6519 bp35.5%16.0%15.4%33.1%48.56%−0.365+0.378
CYTBCytochrome b1,141 bp22.3%30.0%16.1%31.6%47.77%−0.325−0.148
12S rRNA12S ribosomal RNA949 bp31.1%20.5%22.6%25.8%48.37%−0.068+0.204
16S rRNA16S ribosomal RNA1,715 bp31.9%21.4%20.9%25.8%46.71%−0.104+0.197

Codon usage

Counts per codon, darker is more frequent

3,813 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.3%
UUU119
UUC120
Leu L16.9%
UUA77
UUG23
CUU167
CUC168
CUA144
CUG64
Ile I6.9%
AUU153
AUC111
Met M3.9%
AUA84
AUG65
Val V6.4%
GUU81
GUC60
GUA69
GUG34
Ser S6.6%
UCU57
UCC63
UCA54
UCG21
AGU11
AGC44
Pro P5.9%
CCU62
CCC87
CCA59
CCG18
Thr T7.5%
ACU55
ACC97
ACA111
ACG23
Ala A9.3%
GCU73
GCC133
GCA131
GCG18
Tyr Y2.9%
UAU39
UAC71
His H2.7%
CAU25
CAC79
Gln Q2.5%
CAA76
CAG19
Asn N3.0%
AAU29
AAC87
Lys K2.0%
AAA59
AAG16
Asp D2.1%
GAU22
GAC58
Glu E2.5%
GAA61
GAG35
Cys C0.6%
UGU11
UGC13
Trp W3.2%
UGA88
UGG33
Arg R2.0%
CGU12
CGC16
CGA35
CGG13
Gly G6.6%
GGU40
GGC96
GGA58
GGG59
Stop 0.2%
UAA6
UAG1
AGA0
AGG0

Genome map

37 annotated features in NC_082804.1

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 (46.3%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 37 features as a table
Annotated features of Hippoglossoides elassodon (NC_082804.1)
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA16868 bp+–
12S rRNARibosomal RNA691,017949 bp+48.4%
tRNA-ValTransfer RNA1,0181,09073 bp+–
16S rRNARibosomal RNA1,0912,8051,715 bp+46.7%
tRNA-Leu (UUR)Transfer RNA2,8062,87974 bp+–
ND1Protein-coding gene2,8803,854975 bp+48.0%
tRNA-IleTransfer RNA3,8603,92970 bp+–
tRNA-GlnTransfer RNA3,9293,99971 bp−–
tRNA-MetTransfer RNA3,9994,06769 bp+–
ND2Protein-coding gene4,0685,1121,045 bp+49.8%
tRNA-TrpTransfer RNA5,1135,18472 bp+–
tRNA-AlaTransfer RNA5,1865,25469 bp−–
tRNA-AsnTransfer RNA5,2565,32873 bp−–
tRNA-CysTransfer RNA5,3675,43165 bp−–
tRNA-TyrTransfer RNA5,4325,49968 bp−–
COX1Protein-coding gene5,5017,0601,560 bp+46.5%
tRNA-Ser (UCN)Transfer RNA7,0617,13171 bp−–
tRNA-AspTransfer RNA7,1467,21671 bp+–
COX2Protein-coding gene7,2237,913691 bp+45.3%
tRNA-LysTransfer RNA7,9147,98673 bp+–
ATP8Protein-coding gene7,9888,155168 bp+43.5%
ATP6Protein-coding gene8,1468,829684 bp+46.1%
COX3Protein-coding gene8,8299,613785 bp+48.9%
tRNA-GlyTransfer RNA9,6149,68572 bp+–
ND3Protein-coding gene9,68610,034349 bp+49.3%
tRNA-ArgTransfer RNA10,03510,10369 bp+–
ND4LProtein-coding gene10,10410,400297 bp+52.5%
ND4Protein-coding gene10,39411,7741,381 bp+46.0%
tRNA-HisTransfer RNA11,77511,84470 bp+–
tRNA-Ser (AGY)Transfer RNA11,84511,91167 bp+–
tRNA-Leu (CUN)Transfer RNA11,91611,98873 bp+–
ND5Protein-coding gene11,98913,8391,851 bp+45.9%
ND6Protein-coding gene13,80214,320519 bp−48.6%
tRNA-GluTransfer RNA14,32114,38969 bp−–
CYTBProtein-coding gene14,39415,5341,141 bp+47.8%
tRNA-ThrTransfer RNA15,53515,60773 bp+–
tRNA-ProTransfer RNA15,60715,67771 bp−–