Other species among native hydrozoans
117 native species with no plant ties on record, by observations.
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By-the-wind Sailor
Velella velella
23,267 observations
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Portuguese Man O' War
Physalia physalis
11,858 observations
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Blue Button
Porpita porpita
5,071 observations
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Indo-Pacific Man-O-War
Physalia utriculus
5,050 observations
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Victoria's Crystal Jelly
Aequorea victoria
3,989 observations
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Christmas Tree Hydroid
Pennaria disticha
2,662 observations
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Branching Fire Coral
Millepora alcicornis
1,817 observations
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Red-eye Medusa
Polyorchis penicillatus
1,358 observations
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Lined Water Jelly
Rhacostoma atlanticum
1,235 observations
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Blade Fire Coral
Millepora complanata
1,199 observations
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Cross Hydromedusa
Mitrocoma cellularia
1,149 observations
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Stinging Bush Hydroid
Macrorhynchia philippina
807 observations
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Pink-mouth Hydroid
Ectopleura marina
672 observations
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Gregarious Jelly
Clytia gregaria
612 observations
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Umbrella Jelly
Eutonina indicans
583 observations
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Green Hydra
Hydra viridissima
563 observations
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Giant Bell Jelly
Scrippsia pacifica
555 observations
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Tubular Hydroid
Ectopleura crocea
524 observations
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Bean Clam Hydroid
Eucheilota bakeri
494 observations
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Snail Fur
Hydractinia echinata
441 observations
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Hydroid
Proboscidactyla flavicirrata
437 observations
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Pink Helmet
Aglantha digitale
436 observations
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Knotted Thread Hydroid
Obelia geniculata
429 observations
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Garland Hydroid
Dynamena pumila
425 observations
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Leuckartiara longicalcar
336 observations
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Whitecross Jelly
Staurostoma mertensii
295 observations
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Purple Encrusting Hydrocoral
Stylantheca papillosa
277 observations
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Nanomia septata
262 observations
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Muggiaea atlantica
236 observations
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Constricted Jellyfish
Catablema vesicarium
218 observations
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Neoturris breviconis
214 observations
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Oaten Pipes Hydroid
Tubularia indivisa
189 observations
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Orange-striped Jellyfish
Gonionemus vertens
188 observations
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Miller Hydractinia
Schuchertinia milleri
184 observations
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Hanging Stomach Jelly
Stomotoca atra
179 observations
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California Hydrocoral
Stylaster californicus
176 observations
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Brown Hydra
Hydra oligactis
170 observations
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Polyorchis haplus
160 observations
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Hula Skirt Siphonophore
Physophora hydrostatica
157 observations
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Fairy Palm Hydroid
Corymorpha palma
148 observations
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Melicertum octocostatum
136 observations
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Common Siphonophore
Nanomia bijuga
121 observations
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Chelophyes appendiculata
116 observations
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Red-Spotted Siphonophore
Forskalia edwardsii
108 observations
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Barbed Wire Jelly
Apolemia uvaria
104 observations
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Clapper Hydroid
Sarsia tubulosa
93 observations
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Sea Cypress Hydroid
Sertularia cupressina
91 observations
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Club Hydroid
Clava multicornis
91 observations
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Sea Thread Hydroid
Obelia dichotoma
90 observations
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Glassy Plume Hydroid
Plumularia setacea
87 observations