GC content
38.37%
Whole genome
Non-coding
945 bp
D-loop 879 bp

Where Spotted seahorse sits among 2,335 species

Whole-genome GC content against maximum lifespan. Spotted seahorse has the 2,272nd longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Spotted seahorse
  • This species
  • Other ray-finned fishes
  • Other classes

Base composition

Whole genome16,527 bp
GC skew (G − C) / (G + C)
−0.226
AT skew (A − T) / (A + T)
+0.052

Life history

Maximum lifespan
2 years

Lifespan from FishBase · FishBase record

About this record

Lifespan source
FishBase v26.06
Based on
an observed animal, origin not stated
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 genome16,527 bp
Protein-coding11,399 bp
12S rRNA938 bp
16S rRNA1,695 bp
All tRNA1,550 bp
D-loop879 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Hippocampus kuda genes
Composition
ND1NADH dehydrogenase subunit 1975 bp31.4%31.0%13.4%24.2%37.64%−0.286+0.007
ND2NADH dehydrogenase subunit 21,039 bp33.7%27.9%10.9%27.5%38.40%−0.434+0.094
COX1Cytochrome c oxidase subunit I1,554 bp27.0%32.7%17.4%22.9%40.35%−0.136−0.096
COX2Cytochrome c oxidase subunit II691 bp32.9%29.1%14.9%23.2%38.06%−0.217+0.061
ATP8ATP synthase F0 subunit 8168 bp36.9%32.7%9.5%20.8%30.36%−0.373+0.060
ATP6ATP synthase F0 subunit 6683 bp30.7%32.5%10.8%25.9%36.75%−0.410−0.028
COX3Cytochrome c oxidase subunit III784 bp27.7%32.4%15.9%24.0%39.92%−0.201−0.079
ND3NADH dehydrogenase subunit 3349 bp28.7%33.8%12.6%24.9%37.54%−0.328−0.083
ND4LNADH dehydrogenase subunit 4L297 bp28.6%31.3%12.8%27.3%40.07%−0.361−0.045
ND4NADH dehydrogenase subunit 41,381 bp31.1%30.6%13.3%25.1%38.38%−0.309+0.008
ND5NADH dehydrogenase subunit 51,836 bp33.5%30.7%12.1%23.7%35.84%−0.325+0.044
ND6NADH dehydrogenase subunit 6522 bp41.8%18.8%12.6%26.8%39.46%−0.359+0.380
CYTBCytochrome b1,141 bp28.8%31.5%15.1%24.6%39.70%−0.241−0.044
12S rRNA12S ribosomal RNA938 bp34.4%24.8%19.1%21.6%40.73%−0.063+0.162
16S rRNA16S ribosomal RNA1,695 bp37.6%24.2%18.1%20.1%38.11%−0.053+0.216
D-loopControl region (D-loop)879 bp35.4%31.5%13.0%20.1%33.11%−0.216+0.058

Codon usage

Counts per codon, darker is more frequent

3,804 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.9%
UUU129
UUC94
Leu L16.6%
UUA224
UUG31
CUU119
CUC39
CUA189
CUG28
Ile I8.0%
AUU182
AUC124
Met M5.3%
AUA169
AUG33
Val V5.4%
GUU65
GUC30
GUA95
GUG14
Ser S7.1%
UCU58
UCC38
UCA117
UCG7
AGU18
AGC33
Pro P5.7%
CCU81
CCC61
CCA65
CCG10
Thr T7.8%
ACU60
ACC73
ACA161
ACG4
Ala A7.6%
GCU74
GCC86
GCA125
GCG5
Tyr Y3.0%
UAU62
UAC53
His H2.7%
CAU45
CAC56
Gln Q2.5%
CAA91
CAG4
Asn N3.7%
AAU69
AAC72
Lys K2.2%
AAA78
AAG4
Asp D1.8%
GAU34
GAC36
Glu E2.6%
GAA79
GAG20
Cys C0.6%
UGU10
UGC14
Trp W3.2%
UGA104
UGG18
Arg R1.9%
CGU5
CGC5
CGA56
CGG6
Gly G6.2%
GGU57
GGC37
GGA98
GGG44
Stop 0.2%
UAA6
UAG0
AGA0
AGG0

Genome map

38 annotated features in NC_010272.1

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
  • D-loop1
  • Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
  • Middle ring: GC% of each gene against the whole genome (38.4%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
Annotated features of Hippocampus kuda (NC_010272.1)
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17171 bp+–
12S rRNARibosomal RNA721,009938 bp+40.7%
tRNA-ValTransfer RNA1,0101,08273 bp+–
16S rRNARibosomal RNA1,0832,7771,695 bp+38.1%
tRNA-Leu (UUR)Transfer RNA2,7782,85174 bp+–
ND1Protein-coding gene2,8523,826975 bp+37.6%
tRNA-IleTransfer RNA3,8283,89972 bp+–
tRNA-GlnTransfer RNA3,8993,96971 bp−–
tRNA-MetTransfer RNA3,9714,04070 bp+–
ND2Protein-coding gene4,0415,0791,039 bp+38.4%
tRNA-TrpTransfer RNA5,0805,15071 bp+–
tRNA-AlaTransfer RNA5,1525,22069 bp−–
tRNA-AsnTransfer RNA5,2225,29473 bp−–
tRNA-CysTransfer RNA5,3305,39667 bp−–
tRNA-TyrTransfer RNA5,3975,46367 bp−–
COX1Protein-coding gene5,4657,0181,554 bp+40.4%
tRNA-Ser (UCN)Transfer RNA7,0207,09071 bp−–
tRNA-AspTransfer RNA7,1057,17268 bp+–
COX2Protein-coding gene7,1777,867691 bp+38.1%
tRNA-LysTransfer RNA7,8687,94275 bp+–
ATP8Protein-coding gene7,9448,111168 bp+30.4%
ATP6Protein-coding gene8,1028,784683 bp+36.8%
COX3Protein-coding gene8,7859,568784 bp+39.9%
tRNA-GlyTransfer RNA9,5699,63870 bp+–
ND3Protein-coding gene9,6399,987349 bp+37.5%
tRNA-ArgTransfer RNA9,98810,05669 bp+–
ND4LProtein-coding gene10,05710,353297 bp+40.1%
ND4Protein-coding gene10,34711,7271,381 bp+38.4%
tRNA-HisTransfer RNA11,72811,79669 bp+–
tRNA-Ser (AGY)Transfer RNA11,79711,86468 bp+–
tRNA-Leu (CUN)Transfer RNA11,86711,93973 bp+–
ND5Protein-coding gene11,94013,7751,836 bp+35.8%
ND6Protein-coding gene13,77214,293522 bp−39.5%
tRNA-GluTransfer RNA14,29414,36269 bp−–
CYTBProtein-coding gene14,36715,5071,141 bp+39.7%
tRNA-ThrTransfer RNA15,50815,57972 bp+–
tRNA-ProTransfer RNA15,57915,64870 bp−–
D-loopControl region15,64916,527879 bp–33.1%