Table 1 Comparison of the genome assembly statistics of cridarians
HydrozoaScyphozoaCubozoaAnthozoa
SpeciesHydra viridissimaaHydra vulgaris (Hydra magnipapillata)Clytia hemisphaericabAurelia auritacMorbakka virulentacAcropora digitiferadNematostella vectensise
Geographical originLaboratory strain A99Laboratory strain 105Villefranche (Atlantic)Baltic Sea (Atlantic)Seto Inland Sea (Pacific)Okinawa (Pacific)Laboratory strain
ver. 1fver. 2g
Genome size (Mbp)284852854445377952420457
Number of Scaffolds2,67720,9145,5257,6442,7104,5382,42010,804
Longest scaffold (Mbp)5.10.914.42.94.414.52.53.3
Scaffold N50 (Mbp)1.10.11.00.41.02.20.50.5
GC content (%)24.725.425.43534.731.43939
Repeats (%)37.55760.34144.737.412.926
Gap rate (%)16.87.828.016.66.6311.915.216.6
Number of genes21,47631,45233,82026,72728,62524,27823,66827,273
Mean gene length (bp)7,6376,87312,3785,84810,21521,4448,7274,500
Mean exon length (bp)209247N/A281368350316208
Mean intron length (bp)838N/AN/AN/A139135721057800
BUSCO (complete) %83.976.880.286.479.881.574.591.4
  • a This study. b Leclère et al., 2019, cKhalturin et al., 2019. dShinzato et al., 2011. ePutnam et al., 2007, fGenome assembly version 1, Chapman et al.,2010, gGenome assembly version 2, Hydra2.0 Web Portal (https://research.nhgri.nih.gov/hydra/).