BioBlitz Battle Report - BRPC Mount Batten April 2026

Cover image

Content

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

Overall Results

Records 233
Species 88
Verified species 61
Observers 10
Verified score 1697
Unverified score 2763
Top species Prosthiostomum siphunculus
Top species score 72

Team results

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

Individual results

Species Potential Score Confirmed Score
John Hepburn 39 646 341
JulesA 26 508 241
kmuddiman 32 325 237
charlotterockpool 21 255 192
David Lyu 18 508 190
fanny_wright 19 220 144
Matt 8 84 75
jaspery 4 38 29
Chris 2 17 9
Marie Chilvers 1 9 0

Top species found

A total of 4 species with a rarity score of 33 or higher have verified records:

Prosthiostomum siphunculus
Score: 72
Found by: David Lyu
Leptoplana
Score: 34
Found by: David Lyu
Athanas nitescens - Hooded Shrimp
Score: 33
Found by: charlotterockpool, David Lyu, John Hepburn, JulesA
Undaria pinnatifida - Wakame
Score: 33
Found by: John Hepburn, JulesA

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 original photo and licence details on iNaturalist.

Name Rarity Score
Botryllus schlosseri - Star Tunicate 12
Morchellium argus - Colonial Seasquirt 24
Apletodon dentatus - Small-headed Clingfish 30
Nerophis lumbriciformis - Worm Pipefish 13
Tritia reticulata - Netted Dogwhelk 13
Nucella lapillus - Atlantic Dogwhelk 8
Littorina littorea - Common Periwinkle 8
Littorina obtusata - Flat Periwinkle 12
Patella pellucida - Blue-rayed Limpet 13
Limacia clavigera - Orange-clubbed Sea Slug 16
Berthella plumula - Side-gilled Seaslug 17
Calliostoma zizyphinum - European Painted Top Shell 12
Phorcus lineatus - Lined Top Shell 10
Steromphala cineraria - Grey Topshell 11
Venerida 8
Magallana gigas - Pacific Oyster 11
Pectinidae - Scallops 10
Xantho hydrophilus - Montagu’s Crab 9
Xantho pilipes - Risso’s Crab 19
Cancer pagurus - Edible Crab 8
Carcinus maenas - European Green Crab 7
Necora puber - Velvet Swimming Crab 9
Pagurus bernhardus - Common Hermit Crab 9
Clibanarius erythropus - Saint Piran’s Hermit Crab 22
Galathea squamifera - Black Squat Lobster 18
Porcellana platycheles - Hairy Porcelain Crab 10
Pisidia longicornis - Long-clawed Porcelain Crab 16
Palaemon serratus - Common Prawn 15
Palaemon elegans - Rockpool Prawn 11
Athanas nitescens - Hooded Shrimp 33
Dynamene bidentata - Horned Isopod 38
Lepidonotus clava 62
Platynereis 100
Arenicolidae - lugworms 14
Spirobranchus triqueter - Keeled Tubeworm 14
NA NA
Anemonia viridis - snakelocks anemone 8
Actinia equina - Atlantic Beadlet Anemone 8
Asterina gibbosa - Cushion Star 9
Amphipholis squamata - Dwarf Brittle Star 13
Ophiothrix fragilis - Common Brittle Star 11
Hymeniacidon perlevis - crumb-of-bread sponge 12
Lineus longissimus - Bootlace Worm 28
Leptoplana 34
Prosthiostomum siphunculus 72
Ulva lactuca - Broadleaf Sea Lettuce 10
Lomentaria articulata - Bunny Ears 23
Osmundea pinnatifida - Pepper Dulse 14
Dumontia contorta - Worm Weed 28
Lithophyllum incrustans - Pink Plate Weeds 18
Lithothamnion - Crustose coralline algae 16
Mesophyllum lichenoides - pink plates 32
Palmaria palmata - Dulse 14
Colpomenia peregrina - Oyster-thief 16
Saccorhiza polyschides - Furbellow 13
Himanthalia elongata - Thongweed 11
Sargassum muticum - Japanese Wireweed 10
Pelvetia canaliculata - Channelled Wrack 10
Fucus serratus - Saw Wrack 8
Undaria pinnatifida - Wakame 33
Saccharina latissima - Sugar Kelp 12