GC content
33.65%
Whole genome
Non-coding
199 bp
Including the D-loop

Where Black spotted seahare sits among 2,335 species

Whole-genome GC content against maximum lifespan. Black spotted seahare has the 2,311th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Black spotted seahare
  • This species
  • All other species

Base composition

Whole genome14,128 bp
GC skew (G − C) / (G + C)
+0.072
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 genome14,128 bp
Protein-coding10,862 bp
12S rRNA723 bp
16S rRNA1,028 bp
All tRNA1,338 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Aplysia dactylomela genes
Composition
ND1NADH dehydrogenase subunit 1915 bp23.7%43.9%19.2%13.0%32.28%+0.193−0.299
ND2NADH dehydrogenase subunit 2939 bp24.7%41.2%18.4%15.7%34.08%+0.081−0.250
COX1Cytochrome c oxidase subunit I1,548 bp24.4%40.1%19.1%16.5%35.53%+0.073−0.242
COX2Cytochrome c oxidase subunit II684 bp30.3%37.3%18.4%14.0%32.46%+0.135−0.104
ATP8ATP synthase F0 subunit 8153 bp37.3%39.2%11.8%11.8%23.53%0.000−0.026
ATP6ATP synthase F0 subunit 6666 bp38.1%27.6%17.1%17.1%34.23%0.000+0.160
COX3Cytochrome c oxidase subunit III778 bp37.8%25.8%17.2%19.2%36.38%−0.053+0.188
ND3NADH dehydrogenase subunit 3367 bp44.7%25.3%15.5%14.4%29.97%+0.036+0.276
ND4LNADH dehydrogenase subunit 4L286 bp24.1%44.4%15.7%15.7%31.47%0.000−0.296
ND4NADH dehydrogenase subunit 41,311 bp25.6%40.9%17.1%16.5%33.56%+0.018−0.231
ND5NADH dehydrogenase subunit 51,650 bp27.5%40.1%18.7%13.6%32.28%+0.158−0.186
ND6NADH dehydrogenase subunit 6465 bp23.7%43.7%19.4%13.3%32.69%+0.184−0.297
CYTBCytochrome b1,123 bp24.8%41.9%16.9%16.5%33.39%+0.013−0.257
12S rRNA12S ribosomal RNA723 bp28.1%37.2%16.0%18.7%34.72%−0.076−0.140
16S rRNA16S ribosomal RNA1,028 bp34.5%33.3%18.5%13.6%32.13%+0.152+0.019

Codon usage

Counts per codon, darker is more frequent

3,624 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).

Phe F8.7%
UUU231
UUC84
Leu L16.2%
UUA278
UUG86
CUU116
CUC23
CUA67
CUG18
Ile I6.7%
AUU208
AUC35
Met M4.9%
AUA126
AUG52
Val V8.1%
GUU115
GUC18
GUA119
GUG41
Ser S10.7%
UCU136
UCC27
UCA50
UCG9
AGU62
AGC25
AGA66
AGG14
Pro P4.0%
CCU100
CCC6
CCA32
CCG6
Thr T4.6%
ACU95
ACC14
ACA45
ACG12
Ala A6.2%
GCU138
GCC30
GCA37
GCG18
Tyr Y3.6%
UAU94
UAC35
His H2.1%
CAU60
CAC15
Gln Q1.6%
CAA39
CAG18
Asn N3.1%
AAU84
AAC28
Lys K2.4%
AAA59
AAG27
Asp D1.8%
GAU54
GAC12
Glu E2.5%
GAA64
GAG25
Cys C1.3%
UGU42
UGC6
Trp W2.6%
UGA77
UGG17
Arg R1.5%
CGU15
CGC0
CGA31
CGG10
Gly G7.3%
GGU75
GGC3
GGA146
GGG40
Stop 0.2%
UAA6
UAG3

Genome map

36 annotated features in NC_015088.1

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
  • tRNA21
  • Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
  • Middle ring: GC% of each gene against the whole genome (33.6%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 36 features as a table
Annotated features of Aplysia dactylomela (NC_015088.1)
FeatureTypeStartEndLengthStrandGC
COX1Protein-coding gene591,6061,548 bp+35.5%
tRNA-ValTransfer RNA1,5871,65165 bp+–
16S rRNARibosomal RNA1,6522,6791,028 bp+32.1%
tRNA-Leu (CUN)Transfer RNA2,6802,74566 bp+–
tRNA-AlaTransfer RNA2,7582,82265 bp+–
tRNA-ProTransfer RNA2,8272,88761 bp+–
ND6Protein-coding gene2,8893,353465 bp+32.7%
ND5Protein-coding gene3,3765,0251,650 bp+32.3%
ND1Protein-coding gene5,0035,917915 bp+32.3%
tRNA-TyrTransfer RNA5,9195,98567 bp+–
tRNA-TrpTransfer RNA5,9796,04466 bp+–
ND4LProtein-coding gene6,0496,334286 bp+31.5%
CYTBProtein-coding gene6,3357,4571,123 bp+33.4%
tRNA-AspTransfer RNA7,4597,52668 bp+–
tRNA-PheTransfer RNA7,5287,59366 bp+–
COX2Protein-coding gene7,5948,277684 bp+32.5%
tRNA-GlyTransfer RNA8,2808,34364 bp+–
tRNA-HisTransfer RNA8,3508,41566 bp+–
tRNA-GlnTransfer RNA8,4258,48561 bp−–
tRNA-Leu (UUR)Transfer RNA8,4858,54864 bp−–
ATP8Protein-coding gene8,5518,703153 bp−23.5%
tRNA-AsnTransfer RNA8,7078,77367 bp−–
tRNA-CysTransfer RNA8,7778,84064 bp+–
ATP6Protein-coding gene8,8399,504666 bp−34.2%
tRNA-ArgTransfer RNA9,5069,57368 bp−–
tRNA-GluTransfer RNA9,5799,64264 bp−–
12S rRNARibosomal RNA9,64610,368723 bp−34.7%
tRNA-MetTransfer RNA10,36910,43264 bp−–
ND3Protein-coding gene10,43310,799367 bp−30.0%
tRNA-Ser (UCN)Transfer RNA10,80010,85354 bp−–
tRNA-Ser (AGY)Transfer RNA10,85610,91459 bp+–
ND4Protein-coding gene10,91512,2251,311 bp+33.6%
tRNA-ThrTransfer RNA12,23312,29664 bp−–
COX3Protein-coding gene12,29713,074778 bp−36.4%
tRNA-IleTransfer RNA13,12513,18763 bp+–
ND2Protein-coding gene13,18914,127939 bp+34.1%