Latest from the Deep
- Brain Coral
Brain coral is among the most recognizable coral in the ocean — its surface etched with deep, meandering grooves that - Reef Sea Cucumber
Sea cucumbers are among the ocean’s most important and least celebrated animals. These soft-bodied echinoderms — relatives of sea stars - How Many Sharks Are Left In The Ocean
There are approximately 1 billion sharks in the ocean today — though this number is a broad scientific estimate with - 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
Deep Dive Series
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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
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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
- Brain Coral
Brain coral is among the most recognizable coral in the ocean — its surface etched with deep, meandering grooves that unmistakably resemble the folds of a human - Reef Sea Cucumber
Sea cucumbers are among the ocean’s most important and least celebrated animals. These soft-bodied echinoderms — relatives of sea stars and sea urchins — process enormous volumes - How Many Sharks Are Left In The Ocean
There are approximately 1 billion sharks in the ocean today — though this number is a broad scientific estimate with significant uncertainty, not a precise census. Of - 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
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