Batillaria attramentaria

Japanese false cerith

Maximum lifespan

7 yr

SeaLifeBase record

mtDNA size

16,095 bp

RefSeq NC_047187.1

GC content

34.62%

Whole genome

Non-coding

1,079 bp

Including the D-loop

Where Japanese false cerith sits among 2,335 species

Whole-genome GC content against maximum lifespan. Japanese false cerith has the 1,860th longest lifespan of them.

This species
All other species

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,095 bp

GC skew (G − C) / (G + C): −0.017
AT skew (A − T) / (A + T): −0.078

Life history

Maximum lifespan: 7 years

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 genome16,095 bp

Protein-coding11,253 bp

12S rRNA901 bp

16S rRNA1,399 bp

All tRNA1,485 bp

Genes and regions

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

Base composition of Batillaria attramentaria genes

ND1NADH dehydrogenase subunit 1	939 bp	40.7%	24.8%	16.5%	18.0%	34.51%	−0.043	+0.242
ND2NADH dehydrogenase subunit 2	1,068 bp	24.0%	42.3%	19.8%	14.0%	33.71%	+0.172	−0.277
COX1Cytochrome c oxidase subunit I	1,533 bp	25.7%	39.3%	18.1%	16.9%	35.03%	+0.035	−0.209
COX2Cytochrome c oxidase subunit II	690 bp	27.5%	35.1%	18.3%	19.1%	37.39%	−0.023	−0.120
ATP8ATP synthase F0 subunit 8	177 bp	32.2%	37.9%	20.3%	9.6%	29.94%	+0.358	−0.081
ATP6ATP synthase F0 subunit 6	696 bp	20.5%	44.7%	18.2%	16.5%	34.77%	+0.050	−0.370
COX3Cytochrome c oxidase subunit III	780 bp	35.0%	23.8%	21.2%	20.0%	41.15%	+0.028	+0.190
ND3NADH dehydrogenase subunit 3	354 bp	23.2%	42.4%	19.8%	14.7%	34.46%	+0.148	−0.293
ND4LNADH dehydrogenase subunit 4L	291 bp	27.8%	39.5%	16.5%	16.2%	32.65%	+0.011	−0.173
ND4NADH dehydrogenase subunit 4	1,368 bp	25.4%	41.1%	14.3%	19.2%	33.55%	−0.146	−0.237
ND5NADH dehydrogenase subunit 5	1,719 bp	26.6%	37.6%	15.2%	20.6%	35.84%	−0.149	−0.171
ND6NADH dehydrogenase subunit 6	505 bp	41.6%	22.6%	19.2%	16.6%	35.84%	+0.072	+0.296
CYTBCytochrome b	1,140 bp	38.5%	25.4%	20.0%	16.1%	36.05%	+0.109	+0.204
12S rRNA12S ribosomal RNA	901 bp	29.7%	33.2%	15.9%	21.2%	37.07%	−0.144	−0.055
16S rRNA16S ribosomal RNA	1,399 bp	30.9%	38.2%	13.5%	17.4%	30.95%	−0.127	−0.106

Codon usage

Counts per codon, darker is more frequent

Gene

3,753 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).

Phe F9.2%

UUU280

UUC67

Leu L16.5%

UUA237

UUG56

CUU185

CUC38

CUA75

CUG28

Ile I6.7%

AUU230

AUC23

Met M4.6%

AUA116

AUG56

Val V6.6%

GUU149

GUC30

GUA51

GUG17

Ser S10.3%

UCU136

UCC33

UCA48

UCG11

AGU39

AGC26

AGA65

AGG27

Pro P4.0%

CCU78

CCC19

CCA41

CCG13

Thr T4.7%

ACU81

ACC35

ACA52

ACG9

Ala A7.0%

GCU127

GCC50

GCA75

GCG10

Tyr Y3.5%

UAU94

UAC36

His H2.2%

CAU43

CAC40

Gln Q2.0%

CAA48

CAG27

Asn N2.8%

AAU71

AAC33

Lys K2.5%

AAA71

AAG23

Asp D2.1%

GAU44

GAC35

Glu E2.5%

GAA75

GAG20

Cys C1.0%

UGU28

UGC10

Trp W2.9%

UGA84

UGG25

Arg R1.6%

CGU12

CGC8

CGA30

CGG11

Gly G6.9%

GGU58

GGC36

GGA124

GGG42

Stop 0.3%

UAA9

UAG3

Genome map

37 annotated features in NC_047187.1

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 (34.6%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 37 features as a table

Annotated features of Batillaria attramentaria (NC_047187.1)
Feature	Type	Start	End	Length	Strand	GC
COX1	Protein-coding gene	1	1,533	1,533 bp	+	35.0%
COX2	Protein-coding gene	1,587	2,276	690 bp	+	37.4%
tRNA-Ser (AGY)	Transfer RNA	2,314	2,380	67 bp	+	–
ND4L	Protein-coding gene	2,464	2,754	291 bp	+	32.7%
ND4	Protein-coding gene	2,748	4,115	1,368 bp	+	33.6%
tRNA-His	Transfer RNA	4,118	4,182	65 bp	+	–
ND5	Protein-coding gene	4,183	5,901	1,719 bp	+	35.8%
tRNA-Phe	Transfer RNA	6,037	6,103	67 bp	+	–
tRNA-Cys	Transfer RNA	6,423	6,487	65 bp	−	–
tRNA-Ala	Transfer RNA	6,521	6,587	67 bp	−	–
tRNA-Asn	Transfer RNA	6,659	6,725	67 bp	−	–
tRNA-Trp	Transfer RNA	6,755	6,821	67 bp	−	–
tRNA-Glu	Transfer RNA	6,832	6,903	72 bp	−	–
tRNA-Tyr	Transfer RNA	6,924	6,990	67 bp	−	–
tRNA-Arg	Transfer RNA	7,017	7,082	66 bp	−	–
tRNA-Gln	Transfer RNA	7,087	7,152	66 bp	−	–
tRNA-Lys	Transfer RNA	7,156	7,222	67 bp	−	–
COX3	Protein-coding gene	7,262	8,041	780 bp	−	41.2%
tRNA-Met	Transfer RNA	8,045	8,111	67 bp	−	–
CYTB	Protein-coding gene	8,126	9,265	1,140 bp	−	36.1%
ND6	Protein-coding gene	9,266	9,770	505 bp	−	35.8%
tRNA-Pro	Transfer RNA	9,777	9,843	67 bp	−	–
ND1	Protein-coding gene	9,844	10,782	939 bp	−	34.5%
tRNA-Leu (CUN)	Transfer RNA	10,783	10,849	67 bp	−	–
tRNA-Leu (UUR)	Transfer RNA	10,869	10,938	70 bp	−	–
16S rRNA	Ribosomal RNA	10,939	12,337	1,399 bp	−	31.0%
tRNA-Val	Transfer RNA	12,316	12,382	67 bp	−	–
tRNA-Gly	Transfer RNA	12,392	12,458	67 bp	−	–
tRNA-Thr	Transfer RNA	12,463	12,532	70 bp	−	–
12S rRNA	Ribosomal RNA	12,533	13,433	901 bp	−	37.1%
tRNA-Ser (UCN)	Transfer RNA	13,505	13,571	67 bp	+	–
ND2	Protein-coding gene	13,572	14,639	1,068 bp	+	33.7%
tRNA-Asp	Transfer RNA	14,643	14,711	69 bp	+	–
ATP8	Protein-coding gene	14,713	14,889	177 bp	+	29.9%
ATP6	Protein-coding gene	14,946	15,641	696 bp	+	34.8%
tRNA-Ile	Transfer RNA	15,662	15,732	71 bp	+	–
ND3	Protein-coding gene	15,733	16,086	354 bp	+	34.5%