BioBlitz Battle Report - BRPC Castle Beach July 2026

Cover image

Content

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

Overall Results

Records 257
Species 93
Verified species 85
Observers 10
Potential score 2,496
Confirmed score 2,189
Top verified species Lacuna parva
Top species rarity score 200
Registered participants 28
Children attending 22

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 97 955 850
Crabby Crabby 40 445 428
Just Vicky 4 401 401
Elijahs World 38 323 323
Last BRPC :( 1 200 200
Robinson Rangers 37 214 198
Team Rids 15 101 93
Lydons 11 118 72

Individual results

Participant Records Potential Score Confirmed Score
milliemb 97 955 850
KW 40 445 428
vickybarlow 4 401 401
kcah74 38 323 323
Finley Hutchinson 1 200 200
mitchelina80 37 214 198
irisrids 15 101 93
bettyboop0160 11 118 72

Top species found

A total of 6 species have a verified rarity score of 65 or higher.

Least Lacuna - Lacuna parva
Rarity score: 200
Discovered by: vickybarlow
Polycystis naegelii
Rarity score: 200
Discovered by: Finley Hutchinson
Lysidice ninetta
Rarity score: 75
Discovered by: David Lyu
Calliopaea bellula
Rarity score: 72
Discovered by: vickybarlow
Pallid Lacuna - Lacuna pallidula
Rarity score: 69
Discovered by: vickybarlow
Eulalia xanthomucosa
Rarity score: 65
Discovered by: David Lyu

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
Least Lacuna - Lacuna parva 200
Polycystis naegelii 200
Lysidice ninetta 75
Calliopaea bellula 72
Pallid Lacuna - Lacuna pallidula 69
Eulalia xanthomucosa 65
Janira maculosa 60
Sea Noodle - Nemalion elminthoides 55
Banded Venus - Clausinella fasciata 45
Gongolaria baccata 45
Oyster thief - Colpomenia sinuosa 44
Parasitic Anemone - Calliactis parasitica 42
Halopteris scoparia 41
sand binder - Rhodothamniella floridula 41
Haliclystus octoradiatus 40
Small Needle-whelk - Bittium reticulatum 39
Hairy Sand Weed - Cladostephus spongiosus 36
Venus 33
Forked ribbons - Dictyota dichotoma 31
Alentia gelatinosa 29
rusty rock - Hildenbrandia rubra 28
Ammodytes 27
Red Rags - Dilsea carnosa 27
Bivalve Scuds - Melitidae 27
Ctenostomatid Bryozoans - Ctenostomatida 25
Devil’s Tongue Weed - Grateloupia turuturu 25
Sea Rods - Laminaria hyperborea 25
Harpoonweed - Asparagopsis armata 23
Saint Piran’s Hermit Crab - Clibanarius erythropus 22
Dosinia 22
Rainbow Wrack - Ericaria selaginoides 22
Schizoporelloidea 22
Northern cowrie - Trivia arctica 20
Red Ripple Bryozoan - Watersipora subatra 20
Black Squat Lobster - Galathea squamifera 18
Perforated Barnacle - Perforatus perforatus 18
Banded Weeds - Ceramium 17
Oyster-thief - Colpomenia peregrina 16
Hairy Sea-mat - Electra pilosa 16
encrusting coralline algae - Lithophyllum 16
Lithothamnion 16
Montagu’s Stellate Barnacle - Chthamalus montagui 15
European Sting Winkle - Ocenebra erinaceus 15
Common Prawn - Palaemon serratus 15
Pepper Dulse - Osmundea pinnatifida 14
Great Scallop - Pecten maximus 14
Honeycomb Worm - Sabellaria alveolata 14
Amphipholis 13
Gem Anemone - Bunodactis verrucosa 13
Idotea 13
Worm Pipefish - Nerophis lumbriciformis 13
Blue-rayed Limpet - Patella pellucida 13
Spaghetti Worms - Terebellidae 13
Netted Dogwhelk - Tritia reticulata 13
Star Tunicate - Botryllus schlosseri 12
European Painted Top Shell - Calliostoma zizyphinum 12
Sugar Kelp - Saccharina latissima 12
Christmas Tree Worms - Spirobranchus 12
Thongweed - Himanthalia elongata 11
Common Brittle Star - Ophiothrix fragilis 11
Ostrea edulis 11
Grey Topshell - Steromphala cineraria 11
Strawberry Anemone - Actinia fragacea 10
Irish Moss - Chondrus crispus 10
Grey Mail-shell - Lepidochitona cinerea 10
Spiny Spider Crab - Maja brachydactyla 10
Lined Top Shell - Phorcus lineatus 10
Hairy Porcelain Crab - Porcellana platycheles 10
Japanese Wireweed - Sargassum muticum 10
Cushion Star - Asterina gibbosa 9
Compass Jelly - Chrysaora hysoscella 9
Common Coralline - Corallina officinalis 9
Velvet Swimming Crab - Necora puber 9
Common Hermit Crab - Pagurus bernhardus 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
Saw Wrack - Fucus serratus 8
bladder wrack - Fucus vesiculosus 8
Common Periwinkle - Littorina littorea 8
Atlantic Dogwhelk - Nucella lapillus 8
European Green Crab - Carcinus maenas 7