They then used artificial intelligence to analyze reef map images at about a 2-meter resolution, or about 6.5 feet, and 16-meter, or 52.5-feet, depth, according to the study.

The reef he was used to seeing had been the most beautiful in all of Hawaii, he told CNN. “It was an incredible garden of corals with thousands of multi-colored fish.” But now, all of it was gone.

Resource fishes — species targeted for human consumption — play a key role in reef ecosystems long before they end up on the dinner table. In Hawaii, subsistence and recreational fishing of local ...

Researchers said Honaunau Bay now has an average of 51 sea urchins per square meter. This is considered to be the highest recorded density on coral reefs anywhere in the world.

Rainbow Reef is a 166,000-gallon aquarium stocked with 1,000 reef fish, almost all of them Hawaiian species. With a solid diet and highly filtered water, the lagoon is an idyllic, stress-free ...

In addition to posing a threat to swimmers, sea urchins in this popular snorkeling and diving spot in Hawaii are also harming the local ecosystem.

As a marine biologist studying Hawaiian reef fish all throughout the Hawaiian chain, I like how the Hawaiian people have named their fish species. The Hawaiian name has a meaning, which often ...

If the fish you caught was black with orange eyes, it would have probably been kole. There are no regulations on the size caught with maturity for females at 3.3 inches and males at 3.9 inches.