Physalia Expeditions & Oceanography

Luxury Eco-Tours Led by Marine Scientists

Currently featuring USVI Itineraries

We believe that when you understand what you’re looking at, your connection to the ocean becomes permanent

Our Flagship - SV Physalia

@physalia_expeditions

Warmer sand will produce mostly female sea turtles while cooler sand will produce males! With such warm temperatures in the Caribbean (and steadily increasing), it’s no wonder most of our sea turtles are female! 🏝️☀️🕶️
If you are ever fortuna

Our flagship, S/V Physalia, is a very comfortable 52’ catamaran with ample seating and shade, able to accommodate groups of up to 12 passengers! ⛵️
Our trips focus on marine science education 🐠 but keep it fun with plenty of time to sit back,

Did you know some corals can hybridize? There is a coral species you can find right here in the Virgin Islands that naturally occurs in nature from two different coral species! When Acropora cervicornis (staghorn coral) and Acropora palmata (elkhorn

Our fish ID game is finally public!!!! Link in our bio! We have been working incredibly hard to get this developed and it is finally ready to share with the world! 🙌🍾🐟🐠🦈 🐡
Do you know your fishes of the Virgin Islands and Puerto Rico? Test and

What is correct? Many fish or many fishes? 🤔 Technically both! Here is how to use the terms correctly:

1. In the first video there are many fish (all bar jacks)! If there are many individuals of the same species, there are multiple fish 🐟🐟🐟

2.

Corals are so much more than colorful rocks. 🪨 They are animals! Stony corals belong to the phylum cnidaria, same as jellyfish! 🪼 Similar to jellyfish, corals have tentacles, stinging cells called nematocysts, and mouths! There are up to 70 differe

Welcome to Physalia Expeditions! This is Kaya and Chris (and Waldo! 🐶).
If you don’t know us already from @sv_physalia, we are both marine scientists, 100 ton captains, and have 5 years of charter experience! Together we decided to launch Phys

5 years of providing charter guests with unique, currated experiences