Author Archives: Colin Munro

Great whites sharks, makos or sailfish, what is the fastest fish?

My only encounters with a great white were on a cage diving trip, many years ago.  Two of us at a time would enter the cage and wait, cameras poised.  This was around Isla Guadalupe, 250km west of Baja Peninsula, Mexico.  … Continue reading

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The Grind. Is campaigning for it to stop or condemning it on social media hypocritical?

The grind, or grindadrap, is a non-commercial, community based whale and dolphin drive in the Faroe Islands. Around 840 pilot whales and white sided dolphins are killed every year. This is done by local boats driving them in to designated … Continue reading

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Cornwall’s blue sharks

An account of photographing blue sharks off Cornwall, Southwest Britain, a few years back, and a link to buying fine art prints of these amazing hunters of of the oceans at colinmunroimages.com. On a clear July morning I stumbled out … Continue reading

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The extraordinary life cycle of the lion’s mane jellyfish

Jellyfish, or sea jellies as they are now often called (clearly they are not fish) are amongst the most ancient of multi-organ animals.  Fossils of jellyfish (or scyphozoans, to give them their scientific name) are found only rarely as they … Continue reading

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Scallop dredging: why is it considered so damaging to reefs?

I first wrote this blog back in 2012.  If moved off-site for several years, but in 2020 I’ve reinstated it, with a few very minor changes.  Lyme bay now has statutory protection from scallop dredging, and all towed bottom fishing … Continue reading

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Marine Environmental Impact Assessment

The relevant legislation for Environmental Impact Assessment (EIA) in the marine environment can be tricky to keep up with.  Within UK waters, licensing is now generally controlled by the Marine Management Organisation (MMO). The requirements for Marine licensing and Environmental … Continue reading

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Remote Camera Surveys

Remote camera surveys – drop down video, towed video and combined video and stills drop-down or towed systems – have been a major component of our underwater survey work for over a decade.  Remote camera surveys can often be used … Continue reading

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How to buy bad science.

Summary Lyme Bay Closed Area was a first for British waters.  The very first statutory closed area established for conservation reason, protecting fragile reefs and associated species from the effects of bottom-fishing trawls and scallop dredges.  It was a long … Continue reading

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Benthic survey versus monitoring, a comparison of aims and methodologies

The terms survey and monitoring are often used interchangeably when collecting data on the marine environment. More worryingly there is sometimes a blurring of the differences between the aims and methods required for descriptive surveys and data collection as part … Continue reading

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Lyme Bay, Lane’s Ground Reef: sponge species recovery and opportunities lost

As part of a small study looking in to gear impacts on seabed species, we recently conducted a few dives attempting to record HD video of bottom trawls and crab pots working on the seabed. Unfortunately we picked a period … Continue reading

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