Charybdis feriata
Crucifix crab
GC content
29.85%
Whole genome
Non-coding
867 bp
D-loop 762 bp
Where Crucifix crab sits among 2,335 species
Whole-genome GC content against maximum lifespan. Crucifix crab has the 2,199th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome15,660 bp
- GC skew (G − C) / (G + C)
- −0.246
- AT skew (A − T) / (A + T)
- −0.028
About this record
- Lifespan source
- SeaLifeBase v26.06
- Based on
- an estimate, not an observed animal
- Data quality
- low
- 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 RefSeqWhole genome15,660 bp
Protein-coding11,164 bp
12S rRNA843 bp
16S rRNA1,321 bp
All tRNA1,468 bp
D-loop762 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 960 bp | 30.42% | −0.274 | +0.210 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,008 bp | 30.36% | −0.438 | −0.219 | |||||
| COX1Cytochrome c oxidase subunit I | 1,534 bp | 35.07% | −0.108 | −0.177 | |||||
| COX2Cytochrome c oxidase subunit II | 685 bp | 33.43% | −0.162 | −0.039 | |||||
| ATP8ATP synthase F0 subunit 8 | 162 bp | 30.86% | −0.400 | −0.161 | |||||
| ATP6ATP synthase F0 subunit 6 | 678 bp | 32.01% | −0.290 | −0.184 | |||||
| COX3Cytochrome c oxidase subunit III | 791 bp | 35.15% | −0.115 | −0.185 | |||||
| ND3NADH dehydrogenase subunit 3 | 354 bp | 29.66% | −0.181 | −0.173 | |||||
| ND4LNADH dehydrogenase subunit 4L | 303 bp | 31.35% | −0.368 | +0.240 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,335 bp | 28.54% | −0.312 | +0.182 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,728 bp | 28.88% | −0.327 | +0.103 | |||||
| ND6NADH dehydrogenase subunit 6 | 507 bp | 27.22% | −0.449 | −0.257 | |||||
| CYTBCytochrome b | 1,135 bp | 33.66% | −0.188 | −0.147 | |||||
| 12S rRNA12S ribosomal RNA | 843 bp | 28.11% | −0.266 | −0.036 | |||||
| 16S rRNA16S ribosomal RNA | 1,321 bp | 25.74% | −0.288 | −0.030 | |||||
| D-loopControl region (D-loop) | 762 bp | 21.26% | −0.259 | +0.067 |
Codon usage
Counts per codon, darker is more frequent3,725 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F8.4%
UUU236
UUC77
Leu L15.2%
UUA278
UUG51
CUU100
CUC26
CUA98
CUG14
Ile I9.3%
AUU292
AUC53
Met M6.1%
AUA178
AUG48
Val V6.3%
GUU83
GUC22
GUA105
GUG23
Ser S10.6%
UCU130
UCC31
UCA74
UCG10
AGU23
AGC12
AGA88
AGG28
Pro P3.8%
CCU95
CCC13
CCA30
CCG5
Thr T5.3%
ACU101
ACC34
ACA57
ACG4
Ala A5.1%
GCU104
GCC31
GCA48
GCG7
Tyr Y4.2%
UAU122
UAC36
His H2.1%
CAU57
CAC21
Gln Q1.8%
CAA51
CAG17
Asn N3.6%
AAU91
AAC44
Lys K2.4%
AAA69
AAG20
Asp D1.8%
GAU52
GAC16
Glu E2.2%
GAA56
GAG27
Cys C1.1%
UGU32
UGC9
Trp W2.7%
UGA76
UGG23
Arg R1.5%
CGU21
CGC2
CGA26
CGG7
Gly G6.2%
GGU57
GGC21
GGA119
GGG35
Stop 0.2%
UAA8
UAG1
Genome map
38 annotated features in NC_024632.1Hover, 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 (29.9%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| COX1 | Protein-coding gene | 1 | 1,534 | 1,534 bp | + | 35.1% |
| tRNA-Leu | Transfer RNA | 1,535 | 1,601 | 67 bp | + | – |
| COX2 | Protein-coding gene | 1,623 | 2,307 | 685 bp | + | 33.4% |
| tRNA-Lys | Transfer RNA | 2,308 | 2,375 | 68 bp | + | – |
| tRNA-Asp | Transfer RNA | 2,376 | 2,440 | 65 bp | + | – |
| ATP8 | Protein-coding gene | 2,441 | 2,602 | 162 bp | + | 30.9% |
| ATP6 | Protein-coding gene | 2,596 | 3,273 | 678 bp | + | 32.0% |
| COX3 | Protein-coding gene | 3,273 | 4,063 | 791 bp | + | 35.2% |
| tRNA-Gly | Transfer RNA | 4,063 | 4,126 | 64 bp | + | – |
| ND3 | Protein-coding gene | 4,127 | 4,480 | 354 bp | + | 29.7% |
| tRNA-Ala | Transfer RNA | 4,484 | 4,550 | 67 bp | + | – |
| tRNA-Arg | Transfer RNA | 4,554 | 4,618 | 65 bp | + | – |
| tRNA-Asn | Transfer RNA | 4,619 | 4,685 | 67 bp | + | – |
| tRNA-Ser | Transfer RNA | 4,686 | 4,754 | 69 bp | + | – |
| tRNA-Glu | Transfer RNA | 4,754 | 4,819 | 66 bp | + | – |
| tRNA-His | Transfer RNA | 4,842 | 4,907 | 66 bp | − | – |
| tRNA-Phe | Transfer RNA | 4,908 | 4,971 | 64 bp | − | – |
| ND5 | Protein-coding gene | 4,971 | 6,698 | 1,728 bp | − | 28.9% |
| ND4 | Protein-coding gene | 6,719 | 8,053 | 1,335 bp | − | 28.5% |
| ND4L | Protein-coding gene | 8,047 | 8,349 | 303 bp | − | 31.4% |
| tRNA-Thr | Transfer RNA | 8,352 | 8,416 | 65 bp | + | – |
| tRNA-Pro | Transfer RNA | 8,417 | 8,482 | 66 bp | − | – |
| ND6 | Protein-coding gene | 8,485 | 8,991 | 507 bp | + | 27.2% |
| CYTB | Protein-coding gene | 8,991 | 10,125 | 1,135 bp | + | 33.7% |
| tRNA-Ser | Transfer RNA | 10,126 | 10,192 | 67 bp | + | – |
| ND1 | Protein-coding gene | 10,220 | 11,179 | 960 bp | − | 30.4% |
| tRNA-Leu | Transfer RNA | 11,182 | 11,250 | 69 bp | − | – |
| 16S rRNA | Ribosomal RNA | 11,251 | 12,571 | 1,321 bp | − | 25.7% |
| tRNA-Val | Transfer RNA | 12,572 | 12,645 | 74 bp | − | – |
| 12S rRNA | Ribosomal RNA | 12,646 | 13,488 | 843 bp | − | 28.1% |
| D-loop | Control region | 13,489 | 14,250 | 762 bp | – | 21.3% |
| tRNA-Ile | Transfer RNA | 14,251 | 14,317 | 67 bp | + | – |
| tRNA-Gln | Transfer RNA | 14,315 | 14,383 | 69 bp | − | – |
| tRNA-Met | Transfer RNA | 14,387 | 14,455 | 69 bp | + | – |
| ND2 | Protein-coding gene | 14,456 | 15,463 | 1,008 bp | + | 30.4% |
| tRNA-Trp | Transfer RNA | 15,463 | 15,531 | 69 bp | + | – |
| tRNA-Cys | Transfer RNA | 15,531 | 15,595 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 15,596 | 15,660 | 65 bp | − | – |