Atlantic Wolffish (Anarhichas lupus): The Shell-Crusher of Cold Reefs
Meet the Atlantic wolffish — a fanged, antifreeze-blooded reef fish that crushes sea urchins and has declined badly from trawl bycatch.
Dr. Theo Nakamura ·
The Tidewright Journal
Encyclopedia entries, coastal atlas guides, science explainers, farming know-how and recipes — written by Tidewright’s scientists, engineers, chefs and field crews, and open to everyone.
Meet the Atlantic wolffish — a fanged, antifreeze-blooded reef fish that crushes sea urchins and has declined badly from trawl bycatch.
Dr. Theo Nakamura ·
South of New Zealand lie wind-torn islands wrapped in some of Earth's densest kelp forests. A guide to the Auckland and Campbell islands' wild underwater world.
Dr. Mara Ellison ·
Plunging from thirty metres at highway speed, the Australasian gannet runs the baitfish economies of southern kelp coasts. Meet Morus serrator, the takapu.
Dr. Theo Nakamura ·
A species profile of the Australian fur seal, Bass Strait's biggest pinniped — nearly sealed out of existence, now recovering along the kelp coasts of the south.
Dr. Mara Ellison ·
Hand-harvesting caps a kelp farm at boutique scale. How mechanised cutters, pump systems and harvest geometry work — and when automation actually pays.
Naomi Reyes ·
Avoided conversion credits pay coastal stewards to keep carbon-rich habitats standing instead of destroyed. Here is how they work — and where they fail.
Priya Raman ·
Nine volcanic islands in the mid-Atlantic hold warm-water seaweed forests instead of true kelp — plus limpets, groupers and mobulas. An atlas guide to the Azores underwater.
Tom Okafor ·
Nine islands on the Mid-Atlantic Ridge offer lava arches, seamount pinnacles and deep-water kelp gardens — a diver's atlas of volcanic reef ecology in the Azores.
Tom Okafor ·
Bahía Magdalena on Baja's Pacific coast shelters gray whales in mangrove lagoons — and hides giant kelp at its southern limit on the ocean shore outside.
Dr. Theo Nakamura ·
Europe's biggest wrasse rules the kelp rocks: nest-building, sex-changing, shell-crushing — and now conscripted onto salmon farms as a cleanerfish. Full profile.
Dr. Mara Ellison ·
The banded morwong is a slow-growing, site-loyal grazer of Tasmania's kelp reefs — a fish that can live for generations and taught fisheries a hard lesson.
Dr. Theo Nakamura ·
A coastal atlas guide to Bantry Bay, West Cork — a drowned valley of kelp forest, shellfish farms and Ireland's great kelp-harvest battle.
Tom Okafor ·

A Coastal Atlas guide to Russia's Murman Coast, the ice-free Arctic shore warmed by the Gulf Stream, where kelp forests grow far past the polar circle.
Dr. Lena Fischer ·

Barkley Sound on Vancouver Island's west coast holds giant and bull kelp forests, the Broken Group islands and one of Canada's great marine research stations.
Dr. Theo Nakamura ·
How a boardwalk village at the end of a gravel road became Canada's marine-science capital, and how to visit the kelp fjord it has studied for fifty years.
Tom Okafor ·
Basket stars unfurl branching arms into cold currents to sieve plankton at night. Meet Gorgonocephalus eucnemis, the kelp coast's living gorgon head.
Dr. Mara Ellison ·
The bat ray is a winged, shell-crushing ray of Pacific bays and kelp edges. Biology, the famous feeding pits, and why divers mistake it for something grander.
Dr. Mara Ellison ·

The bat star (Patiria miniata) is the kelp forest's web-fingered clean-up crew — a slow omnivore that turns detritus into reef fertility. Facts, ecology, where to see one.
Dr. Theo Nakamura ·
How the biggest tidal range on Earth reshapes kelp habitat — and where kelp still grips the outer headlands of the Bay of Fundy.
Dr. Lena Fischer ·
A Coastal Atlas guide to the Bay of Plenty — golden kelp at its warm limit, volcanic islands, subtropical fish visitors, Moutohorā's sanctuary, seasons and how to see it all.
Tom Okafor ·
A field guide to the wrack line — identifying kelp holdfasts, blades and pneumatocysts, finding egg cases and drift treasures, and knowing what you may keep.
Tom Okafor ·

At the foot of South America, one glaciated channel carries giant kelp, sea lions and two centuries of history between two oceans. A Coastal Atlas guide.
Dr. Mara Ellison ·
Belt transects and quadrats turn a kelp forest into numbers: who lives where, at what density. How these classic survey methods work, and why they endure.
Dr. Mara Ellison ·
Food produced in sunlit surface water rains down to feed the seafloor, and the seafloor recycles nutrients back up. How benthic-pelagic coupling runs a kelp forest.
Dr. Mara Ellison ·