What ’ s BSAC all about ?
27 Scilly Seagrass
Published by : IN2 PUBLISHING Ltd , Unit 2A Oaklands Court , Tiverton Business Park , Tiverton Way , Tiverton , EX16 6TG
Email : info @ in2publishing . co . uk
Editor : Simon Rogerson Sub Editor : Kristina Pedder Design : Paul Hanson Equipment Testing : Neil Hope
Publishing Director : Charlie Wise Email : charlie @ in2publising . co . uk Tel : 01398 310 250 Mob : 07787 565 771
Advertising Manager : Michelle Simpson Email : michelle @ in2publishing . co . uk Tel : + 44 ( 0 ) 7434 779164
Print Consultant : Jamie Ringrose Consultant : Jon Fellows © 2025 British Sub-Aqua Club
All rights reserved . No part of this publication may be reproduced by any means without written permission of the copyright owners . Although every effort has been made to ensure the accuracy of this publication , the publishers cannot accept responsibility for any errors or omissions . In the interest of independence and impartiality , many features in SCUBA have been written on behalf of the publisher by third party experts . It should be noted that any opinions and recommendations expressed therein are the views of the writers themselves and not necessarily those of BSAC . BSAC and publishers ensure that the paper used for printing this publication has been sourced from sustainably managed forests .
CONTENTS
If you love diving and want to benefit from great training and an international community of scuba divers and snorkellers , you should get to know BSAC .
What ’ s BSAC all about ?
BSAC stands for British Sub-Aqua Club , and we are the UK National Governing Body of scuba diving and snorkelling . We have clubs , centres , and members worldwide who are all as passionate as we are about the underwater world .
We are Britain ’ s biggest dive club , with hundreds of local clubs run by committed divers and snorkellers on a non-profit basis . With us , you can learn to dive from the age of 10 and snorkel from the age of six .
If you ’ re already a diver , that ’ s great ! All divers are welcome at BSAC . You could further your training or just join us on some great diving . Or both !
As well as developing safety and training standards and supporting our community , we are also focused on the environment and underwater heritage to help protect the waters we love to dive and the earth we live in .
Have a look at this magazine to get a real feel for what we ’ re about — we think you ’ ll love what you read . To get involved , head to bsac . com , email us at hello @ bsac . com or call 0151 350 6201 . We ’ d love to hear from you !
JOIN BSAC TODAY : bsac . com / joinus FIND YOUR LOCAL BSAC CLUB : bsac . com / findaclub or call + 44 ( 0 ) 151 350 6201
8 SCUBA HUB
All the latest BSAC and diving news
14 Critter Confidential
Moulter and decorator – the spiny spider crab
16 Kirsty Andrews
Resolution season with our correspondent
18 Yo-Han Cha
A journey to Advanced Diver
21 Ocean Science
How the blue-rayed limpet earned its stripes
22 Club Focus
Kristina Pedder meets York Sub Aqua Club
27 Scilly Seagrass
Keith Lyall reports from the world ’ s oldest seagrass survey
33 Book reviews
Recommended reads for your Christmas stockings
36 March for Clean Water
Report from the front lines as BSAC joins the protest
38 A return to diving
Challenges faced by a young mum as she re-engages with club life
42 Expedition Faroes
Join the Valhalla liveaboard on a voyage into the unknown
46 Test Centre
SEAC Smart BCD + Shearwater Tern TX computer
50 Volunteer Life
Meet Alex ‘ Woz ’ Warzynski , now Technical Chief Examiner
52 Protect our Seas
Forever chemicals in waterproofing + marine extinction + corals and climate change + cell level plankton survey + archaeology in the River Nile + Eavesdropping on sperm whales
57 Travel Special
Highlights from the Aggressor fleet of international liveaboards
64 Snorkelling
The family Torbet enjoys blue water bimbling in France and Malta
66 Crossword
Cryptic conundrums from the desk of Charles Wheeldon
5