Latest from the Deep
- What Animals And Plants Live In Coral Reefs
Coral reefs support approximately 25% of all marine species on Earth despite covering less than 1% of the ocean floor. - Underwater PhotographyUnderwater photography is one of the most technically demanding and visually rewarding forms of photography. The ocean absorbs light rapidly,
- Henry Morgan
Henry Morgan was the most successful buccaneer of the 17th century — a Welsh privateer who sacked Portobelo, destroyed the - Prehistoric Marine ReptilesPrehistoric marine reptiles were among the most spectacular animals that ever lived in Earth’s oceans. From the dolphin-shaped ichthyosaurs of
- Fangtooth Fish
The fangtooth fish has the largest teeth of any fish in the ocean, relative to its body size. A 6-inch - Samuel Bellamy
Samuel Bellamy — known as “Black Sam” — was an English pirate who, in less than a year of active
Deep Dive Series
All series →
01
Complete Guide to Coral Aquaculture
24 articles · Propagation, identification, water chemistry
02
The Golden Age of Piracy
18 articles · Caribbean pirates 1650–1730
03
World’s Most Dangerous Sharks
12 articles · Species profiles, attack data, behavior
04
Dive Destinations: 80 Countries
80 articles · Firsthand dive reports by Blane Perun
🤿
Blane Perun
Marine Biologist · Coral Reef Expert · Author
About the Site
25 Years of Ocean Science
TheSea.Org was founded in 1999 by Blane Perun, a marine biologist and coral reef specialist who has personally visited reef systems in over 80 countries. Published in academic journals, cited by researchers worldwide, and referenced by Quality Marine and leading aquaculture institutions — this site represents a career’s worth of ocean knowledge made freely available.
Recently Published
- What Animals And Plants Live In Coral Reefs
Coral reefs support approximately 25% of all marine species on Earth despite covering less than 1% of the ocean floor. The variety of life on a single - Underwater PhotographyUnderwater photography is one of the most technically demanding and visually rewarding forms of photography. The ocean absorbs light rapidly, colors disappear with depth, water introduces optical
- Henry Morgan
Henry Morgan was the most successful buccaneer of the 17th century — a Welsh privateer who sacked Portobelo, destroyed the entire city of Panama, and became one - Prehistoric Marine ReptilesPrehistoric marine reptiles were among the most spectacular animals that ever lived in Earth’s oceans. From the dolphin-shaped ichthyosaurs of the Triassic to the massive mosasaurs that
- Fangtooth Fish
The fangtooth fish has the largest teeth of any fish in the ocean, relative to its body size. A 6-inch fangtooth carries fangs so long they cannot
Browse by Category
- Bizarre Sea Creatures (55)
- Coral Aquaculture (16)
- Coral Reef (8)
- Coral Reef Invertebrate (23)
- Coral Reef Maps (1)
- Marine Mammals (5)
- Marine Reptile (1)
- Molokini (6)
- My World Travels (1)
- Oceanographers (10)
- Oceans (6)
- Oceans & Seas (20)
- Pirates (33)
- Reef Fish (13)
- Reef Tank (6)
- Scuba Diving (35)
- Seas (32)
- Sharks (17)
- Shipwrecks (25)
- Snorkeling (2)
- Sunken Cities (14)
- Top Ten Coral Reefs (10)
- Underwater Photography (5)