Anthopleura ballii
- Peak month
- September
- Records since 2000
- 270
- Group
- Jellyfish, corals and anemones
Antennella secundaria
- Peak month
- August
- Records since 2000
- 266
- Group
- Jellyfish, corals and anemones
Rhizocaulus verticillatus
- Peak month
- May
- Records since 2000
- 266
- Group
- Jellyfish, corals and anemones
Amphisbetia distans
- Peak month
- September
- Records since 2000
- 258
- Group
- Jellyfish, corals and anemones
Coryne eximia
- Peak month
- June
- Records since 2000
- 254
- Group
- Jellyfish, corals and anemones
Diphasia margareta
- Peak month
- May
- Records since 2000
- 244
- Group
- Jellyfish, corals and anemones
Sertularella gaudichaudi
- Peak month
- September
- Records since 2000
- 244
- Group
- Jellyfish, corals and anemones
Leuckartiara octona
- Peak month
- March
- Records since 2000
- 240
- Group
- Jellyfish, corals and anemones
Sea-fan anemone
- Peak month
- July
- Records since 2000
- 239
- Scientific name
- Amphianthus dohrnii
Schizotricha frutescens
- Peak month
- July
- Records since 2000
- 232
- Group
- Jellyfish, corals and anemones
An anthozoan
- Peak month
- August
- Records since 2000
- 219
- Scientific name
- Actinauge richardi
Diphasia rosacea
- Peak month
- June
- Records since 2000
- 219
- Group
- Jellyfish, corals and anemones
Rolandia coralloides
- Peak month
- May
- Records since 2000
- 219
- Group
- Jellyfish, corals and anemones
A stalked jellyfish
- Peak month
- September
- Records since 2000
- 217
- Scientific name
- Calvadosia campanulata
A stalked jellyfish
- Peak month
- March
- Records since 2000
- 212
- Scientific name
- Calvadosia cruxmelitensis
Sagartia lacerata
- Peak month
- September
- Records since 2000
- 212
- Group
- Jellyfish, corals and anemones
Hormathia coronata
- Peak month
- August
- Records since 2000
- 189
- Group
- Jellyfish, corals and anemones
Lafoea dumosa
- Peak month
- August
- Records since 2000
- 180
- Group
- Jellyfish, corals and anemones
Halcampa chrysanthellum
- Peak month
- August
- Records since 2000
- 179
- Group
- Jellyfish, corals and anemones
Haliclystus octoradiatus
- Peak month
- March
- Records since 2000
- 179
- Group
- Jellyfish, corals and anemones
Campanularia hincksii
- Peak month
- January
- Records since 2000
- 178
- Group
- Jellyfish, corals and anemones
Hydroid
- Peak month
- July
- Records since 2000
- 176
- Scientific name
- Aglaophenia kirchenpaueri
Mauve stinger
- Peak month
- November
- Records since 2000
- 169
- Scientific name
- Pelagia noctiluca
Clava multicornis
- Peak month
- June
- Records since 2000
- 158
- Group
- Jellyfish, corals and anemones
A hydroid
- Peak month
- June
- Records since 2000
- 143
- Scientific name
- Diphasia alata
Alcyonium hibernicum
- Peak month
- June
- Records since 2000
- 133
- Group
- Jellyfish, corals and anemones
Clytia gracilis
- Peak month
- June
- Records since 2000
- 132
- Group
- Jellyfish, corals and anemones
Halecium muricatum
- Peak month
- August
- Records since 2000
- 127
- Group
- Jellyfish, corals and anemones
A hydroid
- Peak month
- August
- Records since 2000
- 125
- Scientific name
- Polyplumaria flabellata
Diphasia attenuata
- Peak month
- August
- Records since 2000
- 125
- Group
- Jellyfish, corals and anemones
Mesacmaea mitchellii
- Peak month
- January
- Records since 2000
- 124
- Group
- Jellyfish, corals and anemones
A hydroid
- Peak month
- May
- Records since 2000
- 123
- Scientific name
- Lytocarpia myriophyllum
Campanulina pumila
- Peak month
- September
- Records since 2000
- 117
- Group
- Jellyfish, corals and anemones
Starlet sea anemone
- Peak month
- July
- Records since 2000
- 113
- Scientific name
- Nematostella vectensis
Hydroid
- Peak month
- January
- Records since 2000
- 109
- Scientific name
- Tamarisca tamarisca
A stalked jellyfish
- Peak month
- August
- Records since 2000
- 106
- Scientific name
- Haliclystus auricula
Diadumene lineata
- Peak month
- July
- Records since 2000
- 106
- Group
- Jellyfish, corals and anemones
Clytia paulensis
- Peak month
- August
- Records since 2000
- 101
- Group
- Jellyfish, corals and anemones
Scarlet Sea Anemone
- Peak month
- August
- Records since 2000
- 100
- Scientific name
- Stomphia coccinea
Coryne muscoides
- Peak month
- May
- Records since 2000
- 97
- Group
- Jellyfish, corals and anemones
Bougainvillia muscus
- Peak month
- July
- Records since 2000
- 95
- Group
- Jellyfish, corals and anemones
Balanophyllia regia
- Peak month
- July
- Records since 2000
- 91
- Group
- Jellyfish, corals and anemones
Halecium plumosum
- Peak month
- June
- Records since 2000
- 85
- Group
- Jellyfish, corals and anemones
Muggiaea atlantica
- Peak month
- August
- Records since 2000
- 85
- Group
- Jellyfish, corals and anemones
Anemonia sulcata
- Peak month
- July
- Records since 2000
- 81
- Group
- Jellyfish, corals and anemones
Garveia nutans
- Peak month
- September
- Records since 2000
- 81
- Group
- Jellyfish, corals and anemones
Diphasia fallax
- Peak month
- August
- Records since 2000
- 72
- Group
- Jellyfish, corals and anemones
Sea anemone
- Peak month
- August
- Records since 2000
- 72
- Scientific name
- Phellia gausapata