BioBlitz Battle Report - BRPC Castle Beach October 2026

Cover image

Content

You can view all the wildlife recorded at this event on iNaturalist.

Overall Results

Records 306
Species 101
Verified species 47
Observers 14
Potential score 2,112
Confirmed score 861
Top verified species Rissoa lilacina
Top species rarity score 100
Registered participants 29
Children attending 14

Team results

Congratulations to Rocky Crabs for taking the gold medal in this BioBlitz Battle! And well done to everyone for a great game and some fantastic wildlife finds.

Team Records Potential Score Confirmed Score
Rocky Crabs 82 978 298
Crabby Crabby 41 498 235
Generation Wild 55 719 234
Just Vicky 6 327 227
CSM TENNIS ROCKPOOLERS 64 596 147
SnakeLocks 18 214 127
Rocklobster 17 212 41
Callum martin 12 134 34
The Intertidal Investigators 7 97 26
Rockpool Rodgers 3 16 8
BioHazard 1 1 1

Individual results

Participant Records Potential Score Confirmed Score
milliemb 82 978 298
KW 41 498 235
vickybarlow 6 327 227
Echo Severs 38 690 203
Conservation Explorers 18 214 127
tedcollins12345 33 382 104
Amelie Churchill 26 408 50
lilyhh 17 92 48
Sarah Charles 17 212 41
pangolin_123 12 134 34
hattiep123 7 97 26
clairer2026 3 16 8
hollyb118 5 46 1
barneychfal 1 1 1

Top species found

A total of 8 species have a verified rarity score of 37 or higher.

Rissoa lilacina
Rarity score: 100
Discovered by: vickybarlow
Flustrellidra hispida
Rarity score: 43
Discovered by: Echo Severs
Rissoa parva
Rarity score: 41
Discovered by: Echo Severs
Spurilla neapolitana
Rarity score: 41
Discovered by: Echo Severs, milliemb, and vickybarlow
sand binder - Rhodothamniella floridula
Rarity score: 41
Discovered by: milliemb
Gaudy Babakina - Babakina anadoni
Rarity score: 39
Discovered by: tedcollins12345 and vickybarlow
Small Needle-whelk - Bittium reticulatum
Rarity score: 39
Discovered by: vickybarlow
Warty Venus Clam - Venus verrucosa
Rarity score: 37
Discovered by: milliemb

BioBlitz Battle team

Loved your BioBlitz Battle? There's more to explore!

Dive deeper into the world of rock pooling, discover upcoming events, and share your finds with our growing community.
Visit us at: www.therockpoolproject.co.uk
Check out our upcoming events: www.therockpoolproject.co.uk/events

Event species list

Community verified records only

Click any image to view the taxon on iNaturalist.

Name Rarity Score
Rissoa lilacina 100
Flustrellidra hispida 43
sand binder - Rhodothamniella floridula 41
Rissoa parva 41
Spurilla neapolitana 41
Gaudy Babakina - Babakina anadoni 39
Small Needle-whelk - Bittium reticulatum 39
Warty Venus Clam - Venus verrucosa 37
Ascidia mentula 32
European Bittersweet Clam - Glycymeris glycymeris 28
Common Dragonet - Callionymus lyra 25
Sap-sucking Slug - Elysia viridis 18
false Irish moss - Mastocarpus stellatus 18
Montagu’s Blenny - Coryphoblennius galerita 17
Oyster-thief - Colpomenia peregrina 16
Hairy Sea-mat - Electra pilosa 16
Emerald green paddle worm - Eulalia clavigera 16
Variegated Scallop - Mimachlamys varia 15
Blue-rayed Limpet - Patella pellucida 13
Longspined Bullhead - Taurulus bubalis 13
Dahlia Anemone - Urticina felina 13
Star Tunicate - Botryllus schlosseri 12
European Painted Top Shell - Calliostoma zizyphinum 12
Flat Periwinkle - Littorina obtusata 12
Christmas Tree Worms - Spirobranchus 12
Netted Dogwhelk - Tritia 12
Thongweed - Himanthalia elongata 11
Grey Topshell - Steromphala cineraria 11
Strawberry Anemone - Actinia fragacea 10
Hairy Porcelain Crab - Porcellana 10
Cushion Star - Asterina gibbosa 9
Blue Mussel - Mytilus edulis 9
Velvet Swimming Crab - Necora puber 9
Purple Topshell - Steromphala umbilicalis 9
Gutweed - Ulva intestinalis 9
Montagu’s Crab - Xantho hydrophilus 9
Atlantic Beadlet Anemone - Actinia equina 8
snakelocks anemone - Anemonia viridis 8
Edible Crab - Cancer pagurus 8
Common Prawn - Caridea 8
Saw Wrack - Fucus serratus 8
bladder wrack - Fucus vesiculosus 8
Shanny - Lipophrys pholis 8
Common Periwinkle - Littorina littorea 8
Atlantic Dogwhelk - Nucella lapillus 8
European Green Crab - Carcinus maenas 7
Hermit Crabs - Paguroidea 5