Fundulus grandis
Gulf killifish
GC content
40.40%
Whole genome
Non-coding
956 bp
D-loop 866 bp
Where Gulf killifish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Gulf killifish has the 2,247th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,524 bp
- GC skew (G − C) / (G + C)
- −0.212
- AT skew (A − T) / (A + T)
- −0.045
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an observed animal, origin not stated
- Data quality
- questionable
- 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 genome16,524 bp
Protein-coding11,395 bp
12S rRNA942 bp
16S rRNA1,684 bp
All tRNA1,547 bp
D-loop866 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 41.13% | −0.287 | −0.160 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 40.96% | −0.416 | −0.118 | |||||
| COX1Cytochrome c oxidase subunit I | 1,542 bp | 39.36% | −0.117 | −0.153 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 37.19% | −0.183 | −0.060 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 33.93% | −0.368 | +0.081 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 36.84% | −0.310 | −0.130 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 42.22% | −0.251 | −0.091 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 42.41% | −0.257 | −0.184 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 45.46% | −0.289 | −0.136 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 38.52% | −0.271 | −0.128 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 38.88% | −0.287 | −0.116 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 40.61% | −0.340 | +0.252 | |||||
| CYTBCytochrome b | 1,140 bp | 41.58% | −0.266 | −0.147 | |||||
| 12S rRNA12S ribosomal RNA | 942 bp | 45.65% | −0.033 | +0.164 | |||||
| 16S rRNA16S ribosomal RNA | 1,684 bp | 40.80% | −0.054 | +0.139 | |||||
| D-loopControl region (D-loop) | 866 bp | 35.91% | −0.209 | −0.031 |
Codon usage
Counts per codon, darker is more frequent3,804 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.4%
UUU140
UUC105
Leu L17.2%
UUA214
UUG29
CUU169
CUC71
CUA139
CUG33
Ile I7.4%
AUU208
AUC75
Met M4.4%
AUA128
AUG39
Val V5.9%
GUU87
GUC33
GUA91
GUG14
Ser S7.1%
UCU66
UCC69
UCA70
UCG10
AGU22
AGC33
Pro P5.4%
CCU94
CCC51
CCA48
CCG11
Thr T7.5%
ACU85
ACC103
ACA88
ACG10
Ala A8.5%
GCU99
GCC110
GCA102
GCG11
Tyr Y3.1%
UAU76
UAC41
His H2.8%
CAU56
CAC52
Gln Q2.5%
CAA76
CAG18
Asn N3.0%
AAU73
AAC40
Lys K1.9%
AAA64
AAG10
Asp D2.1%
GAU43
GAC36
Glu E2.6%
GAA74
GAG25
Cys C0.9%
UGU17
UGC16
Trp W3.0%
UGA98
UGG17
Arg R1.9%
CGU17
CGC2
CGA45
CGG9
Gly G6.2%
GGU74
GGC56
GGA72
GGG32
Stop 0.2%
UAA7
UAG1
AGA0
AGG0
Genome map
38 annotated features in NC_012377.1Hover, 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 (40.4%, 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 |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 68 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 69 | 1,010 | 942 bp | + | 45.7% |
| tRNA-Val | Transfer RNA | 1,011 | 1,082 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,083 | 2,766 | 1,684 bp | + | 40.8% |
| tRNA-Leu (UUR) | Transfer RNA | 2,767 | 2,840 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,841 | 3,815 | 975 bp | + | 41.1% |
| tRNA-Ile | Transfer RNA | 3,823 | 3,892 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,892 | 3,962 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,962 | 4,030 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,031 | 5,075 | 1,045 bp | + | 41.0% |
| tRNA-Trp | Transfer RNA | 5,076 | 5,147 | 72 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,150 | 5,218 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,221 | 5,293 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,331 | 5,394 | 64 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,396 | 5,465 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,473 | 7,014 | 1,542 bp | + | 39.4% |
| tRNA-Ser (UCN) | Transfer RNA | 7,024 | 7,094 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,098 | 7,168 | 71 bp | + | – |
| COX2 | Protein-coding gene | 7,178 | 7,868 | 691 bp | + | 37.2% |
| tRNA-Lys | Transfer RNA | 7,869 | 7,942 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,946 | 8,113 | 168 bp | + | 33.9% |
| ATP6 | Protein-coding gene | 8,104 | 8,787 | 684 bp | + | 36.8% |
| COX3 | Protein-coding gene | 8,787 | 9,570 | 784 bp | + | 42.2% |
| tRNA-Gly | Transfer RNA | 9,571 | 9,642 | 72 bp | + | – |
| ND3 | Protein-coding gene | 9,643 | 9,991 | 349 bp | + | 42.4% |
| tRNA-Arg | Transfer RNA | 9,992 | 10,060 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,061 | 10,357 | 297 bp | + | 45.5% |
| ND4 | Protein-coding gene | 10,351 | 11,731 | 1,381 bp | + | 38.5% |
| tRNA-His | Transfer RNA | 11,732 | 11,800 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,801 | 11,868 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,875 | 11,947 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,948 | 13,786 | 1,839 bp | + | 38.9% |
| ND6 | Protein-coding gene | 13,783 | 14,304 | 522 bp | − | 40.6% |
| tRNA-Glu | Transfer RNA | 14,305 | 14,372 | 68 bp | − | – |
| CYTB | Protein-coding gene | 14,376 | 15,515 | 1,140 bp | + | 41.6% |
| tRNA-Thr | Transfer RNA | 15,517 | 15,589 | 73 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,589 | 15,658 | 70 bp | − | – |
| D-loop | Control region | 15,659 | 16,524 | 866 bp | – | 35.9% |