Resources.

Field notes, recorded webinars and a podcast — a growing, sourced record of expedition observations, wildlife, research and conservation, plus free ways to learn before you travel.

Field notes
2026-09-22

Thirty-four shark species live in the Galápagos

The full catalogue — eight you are likely to meet, and twenty-six that are rare, occasional, migratory or pelagic.

2026-09-22

Inside GSD's 15-day liveaboard — nearly double the diving of the standard trip

More dives at Darwin and Wolf, a handful of sites only this itinerary visits, and built-in rest days.

2026-09-22

Why the Galápagos water is cold when you expect it to be warm

Two cold currents arrive at the equator each year at 9–11°C. Jonathan Green explains what that collision does to the diving.

2026-09-22

The eight sharks you are most likely to meet

Of thirty-four recorded species, these eight account for almost every encounter.

2026-09-22

2025 impact report: USD 31,523.40

Where the money went last year, and every year since 2019.

2026-09-22

What a satellite tag actually costs

$3,500 for the unit, $500 for transmission time, plus the sea logistics to get it onto a whale shark.

2026-09-22

Getting to the Galápagos: flights, airports and the 11:00 pickup

There are no direct international flights. Everything routes through mainland Ecuador.

2026-09-22

What happens on land during the 15-day liveaboard

Red sand beaches, lava fields and giant tortoises fill the surface intervals between dives.

2026-09-22

Galápagos entry requirements, and the card you cannot board without

Two mandatory fees, biosecurity screening, passport validity and the yellow fever rule.

2026-09-22

The Transit Control Card, step by step

It is digital now, it costs $20, and airport staff will ask for it twice.

2026-09-22

Recognition: what the awards say and what they do not

Three awards between 2022 and 2023, recorded plainly.

2026-09-22

Five whale sharks joined the name-a-shark record in 2024

Elise, Luna, Makeba, Olivia and Star — each identified by their own permanent markings, each named by the citizen-science divers who spotted them.

2026-09-22

Traveling alone? Most of our divers do.

Roughly half or more of the divers on a given GSD departure are traveling solo — not the exception people assume.

2026-09-22

How a whale shark's satellite track helped create a new marine reserve

Tagging data showing real movement between the Galápagos and Cocos Island led two governments to declare a protected "swimway" between them.

2026-09-22

Why a liveaboard reaches dive sites a day boat never will

Wolf and Darwin sit far enough offshore that only a liveaboard can actually get you there — and that changes more than just the sites.

2026-09-22

The practical realities of diving in Galápagos currents

Cold water, strong currents, and a level of physical readiness first-time visitors sometimes underestimate.

2026-09-22

Getting ready to dive as a citizen scientist, not just a diver

The gear list and pre-dive homework look a little different when your dives are also collecting research data.

2026-09-22

What it's actually like swimming beside a whale shark in the Galápagos

The world's largest fish, a strict distance rule, and a role for every guest as a citizen scientist.

2026-09-22

Why the whale shark, the ocean's biggest fish, is also endangered

A global population down by more than half in 75 years, and a role in ocean carbon storage most divers never learn about.

2026-09-22

The Galápagos' visibility trade-off — clearer water or more wildlife

The same cold currents that reduce visibility are exactly what draws in the sharks, mantas and whales.

2026-09-22

The parts of a GSD trip that quietly fund conservation

Local hiring, onboard merchandise and scientist salaries — the operational choices behind the marketing language.

2026-09-22

What a whale shark's satellite tag actually tells researchers

Depth, temperature and thousands of miles of travel — plus the other, lower-tech research methods running alongside the tags.

2026-09-22

Why almost every whale shark you'll meet here is an adult female

It's one of the more striking, least explained patterns in whale shark research — and the Galápagos is where it's most visible.

2026-09-22

Two whale sharks, one season: what the 2022 tagging data showed

A name is just the start — what two tagged whale sharks actually did after leaving the Galápagos.

2026-09-22

Thirty-Four Shark Species Call the Galápagos Home

From schooling hammerheads to an occasional passing great white, the islands host far more shark diversity than most divers expect.

2026-09-22

Galápagos Raises Its Park Entry Fee for the First Time in a Generation

The islands' entrance fee for international visitors doubled in 2024 — the first change to the fee in 26 years.

2026-09-22

The Fishing Fleet That Tested the Galápagos Marine Reserve

A 2017 confrontation at the edge of the reserve showed exactly why the waters around Galápagos need active protection, not just a line on a map.

2026-09-22

Getting to the Galápagos: Flights, Airports, and Logistics

The realistic route from your home airport to a liveaboard departure, including which airports and paperwork are involved.

2026-09-22

What to Pack: Dive Gear for Galápagos Conditions

Water temperatures shift enough between islands that wetsuit choice, and a few other gear decisions, are worth planning ahead of time.

2026-09-22

Cooler Water, Bigger Animals: Galápagos Temperatures, June Through October

Why the coolest months in the Galápagos are also some of the best for encountering whale sharks and hammerheads.

2026-09-22

The Playful Locals: Sea Lions on a Galápagos Dive

Galápagos sea lions show up on dives across the archipelago, with Isabela Island standing out as a reliable, year-round spot.

2026-09-22

How a Week Underwater Helps Fund Whale Shark Science

Every Galápagos Shark Diving trip channels support toward the Galápagos Whale Shark Project — here is what that funding actually pays for.

2026-09-22

What Nitrox Diving Adds to a Galápagos Expedition

Enriched-air certification is available onboard, and it changes the rhythm of a multi-dive day at sites like Darwin and Wolf.

2026-09-22

Green Sea Turtles: Galápagos Nesting Season and Dive Etiquette

December through March is nesting season for Galápagos green sea turtles, an endangered species divers are asked to give plenty of space.

2026-09-22

The Giant Manta Rays of the Galápagos

When the cool season currents arrive, one dive site off Isabela earns its nickname: the City of Mantas.

2026-09-22

Mola Mola: The Ocean Sunfish of the Galápagos Cool Season

The world's heaviest bony fish turns up in Galápagos waters when the cool currents bring the food it follows.

2026-09-22

What to Actually Pack for a Galápagos Liveaboard

From wetsuit thickness to reef-safe soap, the practical packing list for a multi-day expedition at the equator.

2026-09-22

Certification, Currents, and Timing: Planning a Galápagos Dive Trip

Two very different seasons, two very different water temperatures by region, and a certification bar that's higher than many destinations.

2026-09-22

The Geography Behind a Galápagos Liveaboard Route

Nineteen islands, three converging currents, and a handful of named sites that define what a multi-day expedition actually looks like underwater.

2026-09-22

Recognition From the Road: Two Industry Awards for Galápagos Shark Diving

A Prestige Award for Scuba Diving Centre of the Year and a TripAdvisor Travelers' Choice Award, a year apart, both recognized this small operation.

2026-09-22

When hammerhead season actually peaks in the Galápagos

Cold-season currents change everything about hammerhead diving here — where the sharks gather, how many show up, and how it feels in the water.

2026-09-22

What to pack: the gear list for cold-season Galápagos diving

Not a generic checklist — the specific kit Jenny Green tells guests to bring, and why gloves are on it.

2026-09-22

How a career in banking led to Galápagos Shark Diving

Jenny Green (Waack) stepped away from banking in 2016, joined a Galápagos liveaboard, and founded GSD the following year.

2026-09-22

How a whale shark gets its name at Galápagos Shark Diving

Before a single satellite tag goes on, the name attached to it starts as a slip of paper in a canvas bag.

2026-09-22

Why Wolf and Darwin anchor the Galápagos' reputation for shark diving

Two remote islands inside a UNESCO World Heritage marine reserve, with currents that concentrate an unusual amount of big marine life in one place.

2026-09-22

Should you dive Nitrox in the Galápagos?

Jenny Green's position, in her own words: "Yes, we highly recommend diving with Nitrox."

2026-09-22

How guests actually contribute to the science

One shark scientist on every Shark Conservation Expedition departure, photo-ID submissions, and standardised counts.

Podcast: Travel EmOcean

Travel EmOcean.

Jenny and Jonathan share free travel and diving tips for the Galápagos and South America.

Meet Jenny Waack
Learn more about Jonathan R Green
Travel EmOcean Podcast 3
Temperature in Galápagos
The best dive equipment for the Galápagos
Why are the Galápagos so special and unique