Kitchen11 min read
Kombu Dashi Masterclass: The Broth That Built a Cuisine
A deep, technique-first guide to kombu dashi: glutamate science, exact temperatures, ichiban and niban infusions, and how to fix every common mistake.
Sofia Andersson ·
The Tidewright Journal
Everything we know about growing back the ocean.
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.
Encyclopedia9 min read
Ocean Sunfish (Mola mola): The Ocean's Heaviest Bony Fish
Meet Mola mola, the heaviest bony fish on Earth — a flattened, fin-flapping giant that visits kelp coasts to be cleaned, bask and feed on drifting gelata.
Dr. Theo Nakamura ·
Encyclopedia9 min read
Kelp Greenling: The Colourful Bottom-Dweller That Guards Its Eggs
Meet the kelp greenling, a shy Pacific reef fish of extraordinary colours — and learn why males turn midnight-dark to guard their egg clutches for weeks.
Dr. Theo Nakamura ·
Farming11 min read
Smart Farms at Sea: Sensors and Automation for Kelp Growers
How kelp farmers use sensors, telemetry and simple automation to protect crops between boat visits — what to instrument first, what it costs, and what it buys you.
Naomi Reyes ·
Kitchen9 min read
Homemade Seaweed Stock Cubes: Concentrating the Ocean in an Ice Tray
Reduce a slow kombu and seaweed stock into frozen cubes for instant dashi, risotto liquid and sauces. Ratios, reduction targets, storage and uses.
Sofia Andersson ·
Farming7 min read
Moving Seeded Lines to the Farm: Transport Without Losing a Crop
Seeded kelp line is fragile freight. Learn the cold, dark, wet rules of seed transport, journey-time limits, on-site holding and the hatchery handoff checklist.
Naomi Reyes ·
Explore8 min read
Snorkelling with Seals and Sea Lions: Wonder Without Harassment
How to snorkel with seals and sea lions on kelp coasts legally and kindly — reading haul-outs, letting them choose the encounter, and what to do when a pup swims to you.
Tom Okafor ·
Explore11 min read
Wetsuit Care and Repair: Make Your Neoprene Last
Neoprene dies from salt, sun, heat and rough handling — not from diving. A complete guide to rinsing, drying, storing and repairing a wetsuit properly.
Tom Okafor ·
Farming8 min read
Alginate Production Explained: From Kelp Stipe to Food-Grade Gum
How alginates are extracted from brown seaweeds, the chemistry that makes them gel, and what food, pharma and industrial grades actually demand from raw material.
Naomi Reyes ·
Atlas8 min read
Bornholm and the Baltic Fringe: Where Kelp Meets Brackish Water
Denmark's bedrock island sits where the Baltic thins to half-strength seawater — a coastal atlas guide to brackish kelp beds, bladderwrack reefs and the salt frontier.
Dr. Theo Nakamura ·
Atlas8 min read
Malibu's Kelp Coast: Giant Kelp Beside the City
A guide to the giant kelp beds of Malibu and Santa Monica Bay — their history, decline, restoration wins and the best ways to see them today.
Tom Okafor ·
Encyclopedia7 min read
Brooding Anemone: The Mother Who Carries Her Young on Her Own Skin
Brooding anemone species profile: protandric hermaphrodite, live-bearing parent, epiphyte of kelp and eelgrass — and a dispersal puzzle solved by rafting.
Dr. Theo Nakamura ·
Atlas11 min read
Paracas: Kelp, Anchoveta and the Peruvian Upwelling
Where Humboldt Current upwelling meets a desert peninsula: kelp, the anchoveta fleet and the guano-bird cliffs of the Ballestas. A Coastal Atlas guide.
Dr. Lena Fischer ·
Atlas10 min read
Dive Guide: Second Valley, South Australia — Leafy Seadragon Country
Second Valley is the Fleurieu Peninsula's classic shore dive: leafy seadragons under the jetty, boulder ledges, gentle depth and serious marine life.
Tom Okafor ·
Explore7 min read
Cold-Water Dive Gear for Kelp Forests: A Complete Kit List
The complete cold-water kit for kelp forest diving: wetsuit thicknesses, drysuits, hoods, gloves and the small accessories that save a dive.
Tom Okafor ·
Farming11 min read
Anchoring and Mooring Systems for Ocean Farms
Your seaweed farm hangs on its anchors. A practical guide to deadweights, helical and drag anchors, scope ratios, materials, load paths and annual inspection.
Naomi Reyes ·
Farming9 min read
Decommissioning a Kelp Farm: Clean Exit, Clean Seabed
How to decommission a kelp farm at end of lease — what must be removed, the sequence that works, seabed checks, waste streams and regulator expectations.
Naomi Reyes ·
Careers11 min read
Marine Spatial Planning: The Careers Behind the Maps
Marine spatial planning decides where wind farms, fishers and reserves fit. Inside the GIS, data and facilitation careers that draw the ocean's future map.
Dr. Mara Ellison ·
Careers8 min read
Becoming a Sea Country Ranger: Custodianship as a Career
How Indigenous sea country ranger careers work: what rangers do, how ranger programs are funded, the skills involved, and how to find ranger group jobs.
Jack Callum ·
Atlas9 min read
Diving Casino Point: A Kelp Cathedral on Catalina
Everything you need to dive Casino Point Dive Park on Catalina Island — entry steps, kelp forest routes, garibaldi and giant sea bass, conditions, and getting there.
Tom Okafor ·
Careers7 min read
Marine Mammal Observer Jobs: Watching Out for Whales from Working Decks
Marine mammal observers and PAM operators keep industrial noise and whales apart. What the job is, which certifications matter, and how to land contracts.
Tom Okafor ·
Science8 min read
The Redfield Ratio: The Ocean's Chemical Recipe
One ratio — 106 carbon, 16 nitrogen, 1 phosphorus — runs through plankton and deep water alike. What the Redfield ratio reveals about a changing sea.
Dr. Theo Nakamura ·
Science11 min read
Life in Layers: Zonation of the Subtidal Reef
A temperate reef is stacked like a city: canopy, understory, turf and encrusting floor. Learn what drives subtidal zonation and why divers see it everywhere.
Dr. Theo Nakamura ·
Encyclopedia7 min read
Turkish Towel: The Red Seaweed with a Surface Like Corduroy
Turkish towel species profile: the rough-textured red alga of surf-swept Pacific rocks, its carrageenan chemistry, life cycle and kelp-forest role.
Dr. Theo Nakamura ·