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Category

Cnidaria

CnidariaMarine LifeMarine Life Identification

Coral Reefs: The Kelp Forests of Tropical Seas

Even though our local kelp forests support as many as 800 marine species, they can’t hold a candle to coral…
Marty Snyderman
Marty SnydermanJuly 8, 2022
CnidariaMarine LifeMarine Life Identification

Spotting the Two-Spot: All About the Two-Spot Octopus 

While two-spot octopuses are not uncommon in Southern California waters, they aren’t always easy to spot. They are usually wedged…
Bonnie J. Cardone
Bonnie J. CardoneMarch 8, 2019
CnidariaMarine Life

California’s Undersea Flower Animals: The Stony Corals

It’s a fact stranger than fiction: there are underwater creatures commonly found in the Pacific Ocean off the California coast…
Bonnie J. Cardone
Bonnie J. CardoneNovember 1, 2018
CnidariaMarine LifeMarine Life Identification

A Pop of Color: Admiring California Hydrocoral

Much prized by underwater photographers for its beautiful colors, California hydrocoral (Stylaster californicus) is one of the 350 species of…
Mark Young
Mark YoungAugust 10, 2018
CnidariaMarine LifeMarine Life Identification

Simple, But Complicated: All About Aggregating Anemones

They’re carnivores. And their harpoon-like tentacles are filled with powerful venom. If aggregating anemones grew bigger, divers would have reason…
Bonnie J. Cardone
Bonnie J. CardoneFebruary 13, 2016
CnidariaMarine LifeMarine Life Identification

Cnidarians Known as Hydroids: Animals Looking Like Plants

Once again we dive into Cnidaria, a large phylum that contains approximately 10,000 species. Phylum members include many animals that…
Bonnie J. Cardone
Bonnie J. CardoneJuly 16, 2015
CnidariaMarine LifeMarine Life Identification

Not Your Average Anemones: Examining Unusual Species

We've discussed cnidarians in this column several times and will likely do so many more. There are about 10,000 species…
Bonnie J. Cardone
Bonnie J. CardoneMarch 26, 2015
CnidariaMarine LifeMarine Life Identification

Admiring California Hydrocoral

Much prized by underwater photographers for its beautiful colors, California hydrocoral (Stylaster californicus) is one of the 350 species of…
Bonnie J. Cardone
Bonnie J. CardoneNovember 26, 2014
CnidariaMarine LifeMarine Life Identification

California’s Undersea Flower Animals: The Stony Corals

It's a fact stranger than fiction: there are underwater creatures commonly found in the Pacific Ocean off the California coast…
Bonnie J. Cardone
Bonnie J. CardoneOctober 22, 2013
CnidariaMarine LifeMarine Life Identification

Pretty But Poorly Understood Polyps: Sea Anemones

Among the approximately 10,000 species that belong to the phylum Cnidaria (the ‚ "C" is silent), there are at least…
Bonnie J. Cardone
Bonnie J. CardoneMarch 13, 2013
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