GC content
34.27%
Whole genome
Non-coding
145 bp
Including the D-loop

Where Kuroda's sea hare sits among 2,335 species

Whole-genome GC content against maximum lifespan. Kuroda's sea hare has the 2,302nd longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Kuroda's sea hare
  • This species
  • All other species

Base composition

Whole genome14,131 bp
GC skew (G − C) / (G + C)
+0.091
AT skew (A − T) / (A + T)
−0.122

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 genome14,131 bp
Protein-coding10,883 bp
12S rRNA722 bp
16S rRNA1,029 bp
All tRNA1,407 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Aplysia kurodai genes
Composition
ND1NADH dehydrogenase subunit 1915 bp23.2%42.8%19.7%14.3%33.99%+0.158−0.298
ND2NADH dehydrogenase subunit 2939 bp23.9%40.3%20.9%15.0%35.89%+0.163−0.256
COX1Cytochrome c oxidase subunit I1,528 bp24.0%40.3%19.3%16.4%35.73%+0.081−0.255
COX2Cytochrome c oxidase subunit II684 bp28.7%35.8%19.4%16.1%35.53%+0.095−0.111
ATP8ATP synthase F0 subunit 8153 bp30.7%34.0%19.6%15.7%35.29%+0.111−0.051
ATP6ATP synthase F0 subunit 6672 bp39.3%25.0%18.9%16.8%35.71%+0.058+0.222
COX3Cytochrome c oxidase subunit III778 bp38.4%25.3%17.1%19.2%36.25%−0.057+0.206
ND3NADH dehydrogenase subunit 3405 bp40.5%25.9%16.8%16.8%33.58%0.000+0.219
ND4LNADH dehydrogenase subunit 4L339 bp26.3%43.1%16.2%14.5%30.68%+0.058−0.243
ND4NADH dehydrogenase subunit 41,311 bp25.6%42.3%18.1%14.1%32.19%+0.123−0.246
ND5NADH dehydrogenase subunit 51,650 bp27.2%39.4%18.9%14.5%33.46%+0.130−0.184
ND6NADH dehydrogenase subunit 6465 bp24.3%43.4%19.1%13.1%32.26%+0.187−0.283
CYTBCytochrome b1,120 bp24.6%42.0%17.2%16.3%33.48%+0.029−0.262
12S rRNA12S ribosomal RNA722 bp28.4%37.7%15.8%18.1%33.93%−0.069−0.140
16S rRNA16S ribosomal RNA1,029 bp34.4%33.3%18.6%13.7%32.26%+0.151+0.016

Codon usage

Counts per codon, darker is more frequent

3,652 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).

Phe F8.7%
UUU232
UUC84
Leu L16.4%
UUA277
UUG99
CUU113
CUC16
CUA72
CUG22
Ile I6.2%
AUU200
AUC28
Met M4.8%
AUA113
AUG61
Val V8.4%
GUU124
GUC28
GUA108
GUG45
Ser S10.7%
UCU131
UCC29
UCA49
UCG16
AGU51
AGC13
AGA80
AGG22
Pro P4.1%
CCU101
CCC14
CCA20
CCG13
Thr T4.8%
ACU109
ACC13
ACA38
ACG14
Ala A6.4%
GCU141
GCC36
GCA42
GCG14
Tyr Y3.5%
UAU101
UAC27
His H2.1%
CAU54
CAC23
Gln Q1.5%
CAA39
CAG17
Asn N3.0%
AAU87
AAC24
Lys K2.5%
AAA62
AAG31
Asp D1.8%
GAU52
GAC13
Glu E2.4%
GAA57
GAG31
Cys C1.2%
UGU34
UGC10
Trp W2.5%
UGA73
UGG18
Arg R1.5%
CGU16
CGC0
CGA32
CGG8
Gly G7.3%
GGU66
GGC10
GGA139
GGG50
Stop 0.3%
UAA5
UAG5

Genome map

37 annotated features in NC_024260.1

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 (34.3%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 37 features as a table
Annotated features of Aplysia kurodai (NC_024260.1)
FeatureTypeStartEndLengthStrandGC
tRNA-LysTransfer RNA16969 bp+–
COX1Protein-coding gene601,5871,528 bp+35.7%
tRNA-ValTransfer RNA1,5881,65164 bp+–
16S rRNARibosomal RNA1,6522,6801,029 bp+32.3%
tRNA-Leu (CUN)Transfer RNA2,6812,74666 bp+–
tRNA-AlaTransfer RNA2,7592,82365 bp+–
tRNA-ProTransfer RNA2,8272,88761 bp+–
ND6Protein-coding gene2,8893,353465 bp+32.3%
ND5Protein-coding gene3,3765,0251,650 bp+33.5%
ND1Protein-coding gene5,0035,917915 bp+34.0%
tRNA-TyrTransfer RNA5,9245,98562 bp+–
tRNA-TrpTransfer RNA5,9846,04966 bp+–
ND4LProtein-coding gene6,0536,391339 bp+30.7%
CYTBProtein-coding gene6,3397,4581,120 bp+33.5%
tRNA-AspTransfer RNA7,4597,52769 bp+–
tRNA-PheTransfer RNA7,5267,59166 bp+–
COX2Protein-coding gene7,5928,275684 bp+35.5%
tRNA-GlyTransfer RNA8,2778,34064 bp+–
tRNA-HisTransfer RNA8,3438,40664 bp+–
tRNA-GlnTransfer RNA8,4138,47260 bp+–
tRNA-Leu (UUR)Transfer RNA8,4728,53564 bp+–
ATP8Protein-coding gene8,5428,694153 bp−35.3%
tRNA-AsnTransfer RNA8,6988,76568 bp+–
tRNA-CysTransfer RNA8,7768,84267 bp+–
ATP6Protein-coding gene8,8359,506672 bp−35.7%
tRNA-ArgTransfer RNA9,5079,57266 bp+–
tRNA-GluTransfer RNA9,5839,64664 bp+–
12S rRNARibosomal RNA9,64710,368722 bp−33.9%
tRNA-MetTransfer RNA10,36910,43365 bp+–
ND3Protein-coding gene10,39710,801405 bp−33.6%
tRNA-Ser (UCN)Transfer RNA10,80310,85654 bp+–
tRNA-Ser (AGY)Transfer RNA10,85910,91759 bp+–
ND4Protein-coding gene10,91812,2281,311 bp+32.2%
tRNA-ThrTransfer RNA12,23612,29964 bp+–
COX3Protein-coding gene12,30013,077778 bp−36.3%
tRNA-IleTransfer RNA13,12713,19165 bp+–
ND2Protein-coding gene13,19214,130939 bp+35.9%