Select Ocean (marine/brackish) or Continent (freshwater):
Africa-Inland Waters [1] America, North - Inland waters [2] America, South - Inland waters [3] Asia - Inland waters [4] Europe - Inland waters [5] Oceania - Inland waters [6] Former USSR - Inland waters [7] Antarctica - Inland waters [8] Arctic Ocean [18] Atlantic, Northwest [21] Atlantic, Northeast [27] Atlantic, Western Central [31] Atlantic, Eastern Central [34] Mediterranean and Black Sea [37] Atlantic, Southwest [41] Atlantic, Southeast [47] Atlantic, Antarctic [48] Indian Ocean, Western [51] Indian Ocean, Eastern [57] Indian Ocean, Antarctic [58] Pacific, Northwest [61] Pacific, Northeast [67] Pacific, Western Central [71] Pacific, Eastern Central [77] Pacific, Southwest [81] Pacific, Southeast [87] Pacific, Antarctic [88] All areas (World total) [99]
Scientific Name
English Name
Distribution
Max. Length (cm)
Bimera vestita Northeast Atlantic and th
Bimeria vestita Antarctic, Atlantic, Cari
Bougainvillia alderi Northeast Atlantic
Bougainvillia aurantiaca Western Pacific
Bougainvillia bitentaculata Northwest Pacific
0.08 WD
Bougainvillia bougainvillei Northeast Pacific
0.9 H
Bougainvillia britannica Northern Pacific, Atlanti
0.1 WD
Bougainvillia carolinensis Western Atlantic.
0.4 WD
Bougainvillia charcoti Northeast Atlantic
0.9 WD
Bougainvillia chenyapingii Northwest Pacific
Bougainvillia frondosa Western Atlantic.
0.125 WD
Bougainvillia fulva Indo-Pacific.
1.1 WD
Bougainvillia glorietta Eastern Pacific
Bougainvillia inaequalis Western Atlantic
Bougainvillia involuta Western Central Pacific
0.45 WD
Bougainvillia lamellata Western Pacific and Asia-
Bougainvillia macloviana Pacific Ocean, Atlantic O
1.3 WD
Bougainvillia maniculata Mediterranean
0.15 WD
Bougainvillia multicilia Strait of Gibraltar.
0.5 WD
Bougainvillia multitentaculata Northeast Pacific
Bougainvillia muscoides Southeast Pacific
Bougainvillia muscus Huddle hydroid
Atlantic and Pacific Ocea
Bougainvillia nigritella Northeast Atlantic
0.3 WD
Bougainvillia niobe Western Atlantic
0.5 WD
Bougainvillia platygaster Atlantic Ocean
1.2 WD
Bougainvillia principis Arctic, Atlantic Ocean an
1 WD
Bougainvillia prolifera Southwest Pacific
0.25 WD
Bougainvillia pyramidata Northeast Atlantic
0.6 WD
Bougainvillia rugosa Western Atlantic
0.15 WD
Bougainvillia simplex Northeast Atlantic
Bougainvillia superciliaris Arctic, Northern Atlantic
0.9 WD
Bougainvillia trinema Southwest Atlantic and Pa
0.3 WD
Bythotiara depressa Eastern Pacific
Bythotiara drygalskii Antarctic Pacific
1.1 H
Bythotiara stilbosa Eastern Pacific
0.54 WD
Chiarella centripetalis Eastern Central Pacific
1.5 WD
Dicoryne conferta Northeast Atlantic, Easte
Dicoryne conybearei Northeast Atlantic and th
Dicoryne flexuosa Western Atlantic
Garveia annulata Orange hydroid
Eastern Pacific
15 H
Garveia brevis Western Atlantic
Garveia franciscana Rope grass hyroid
Atlantic, Pacific Oceans
Garveia gracilis Eastern Pacific
Garveia grisea Northeast Atlantic and th
Garveia nutans Northeast Atlantic, Easte
Garveia pusilla Eastern Pacific
Garveia robusta Eastern Pacific
Garveia tenella Eastern Pacific
Koellikerina constricta Eastern Indian Ocean
0.4 H
Koellikerina diforficulata Northwest Pacific
Koellikerina elegans Western Atlantic
0.7 H
Koellikerina fasciculata Mediterranean
0.9 WD
Koellikerina maasi Antarctic
0.9 WD
Koellikerina multicirrata Western Central Pacific
0.3 WD
Koellikerina octonemalis Malay Archipelago.
0.5 WD
Koellikerina ornata Eastern Indian Ocean
0.8 H
Lizzella hyalina Northeast Atlantic
0.6 WD
Lizzella octella Northwest Pacific
1 WD
Lizzia alvarinoae Eastern Central Pacific a
Lizzia blondina Pacific Ocean, Atlantic O
0.2 WD
Lizzia elisabethae Northeast Atlantic
0.4 WD
Lizzia ferrari Eastern Central Pacific
Lizzia fulgurans Atlantic Ocean and the Me
0.1 H
Lizzia gracilis Western Atlantic
0.3 WD
Lizzia octostyla Mediterranean.
0.05 WD
Meator rubatra Northwest Pacific
0.18 WD
Millardiana longitentaculata Western Central Atlantic
Nemopsis bachei Atlantic Ocean.
1.1 H
Nemopsis crucifera Northeast Atlantic
0.4 WD
Nemopsis dofleini Northwest Pacific
1 WD
Nemopsis heteronema Northeast Atlantic
1 WD
Nubiella paramitra Northwest Pacific
Nubiella terminaliknoba Northwest Pacific
Nubiella tubularia Northwest Pacific
Pachycordyle conica Eastern Central Pacific
0.1 WD
Pachycordyle degenerata Western Central Atlantic
0.03 WD
Pachycordyle globulosa Western Central Pacific
0.1 WD
Pachycordyle lineata Western Central Pacific
Pachycordyle michaeli Western Atlantic, Southea
Pachycordyle napolitana Western Central Atlantic
Pachycordyle neapolitana Mediterranean
Pandea conica Southwest Atlantic and th
1 WD
Pandea minima Southwest Pacific
0.2 WD
Pandea rubra Antarctic and Eastern Pac
7.5 WD
Paranubiella shenzhenensis Northwest Pacific
Parawrightia robusta Western Atlantic
Perigonimus vesicarius Northeast Atlantic
Rhizorhagium antarcticum Antarctic Indian Ocean
Rhizorhagium formosum Eastern Pacific
Rhizorhagium roseum Creeping orange hydroid
Atlantic Ocean, Eastern P
Silhouetta uvacarpa Western Central Atlantic
Thamnostoma alexandri Eastern Central Pacific a
0.3 WD
Thamnostoma cidaritis Mediterranean
Thamnostoma dibalium Mediterranean
0.6 WD
Thamnostoma macrostomum Western Central Pacific
0.8 WD
Thamnostoma russelli Northeast Atlantic
0.135 WD
Thamnostoma tetrellum Western Atlantic
0.4 WD