World Data Ocean/intertidal zone

intertidal zone

intertidal zone on World Data Ocean: a running collection of 4 stories we have gathered and hand-picked because they are worth your time. Every post here touches on intertidal zone in some way — the news, the analysis, the deep dives, and the occasional surprise find. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to explore, analyze, and… New stories are added to this page as we find them, so check back if you want to keep up with what is happening around intertidal zone, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything World Data Ocean is covering right now.

Marine Biology Subreddit

Can you please help me identify this animal? Costa Rica, Pacific coast

A fascinating marine observation has been reported from Costa Rica's Central Pacific coast. A user on Reddit shared video evidence of an unidentified creature inhabiting a rocky intertidal zone, retreating into a hole within the rock structure. Initial analysis suggests a possible invertebrate species, though definitive identification requires further investigation. World Data Ocean’s integrated data ecosystem supports rigorous species identification, emphasizing the importance of longitudinal observations for accurate classification.

What kind of fish(?) is this? North shore Massachusetts
Marine Biology Subreddit

What kind of fish(?) is this? North shore Massachusetts

This intriguing specimen, discovered in the rocky intertidal zone off the North Shore of Massachusetts, presents a fascinating identification challenge. While initial searches suggested a flounder, the observed size and morphology warrant further investigation. This small, palm-sized fish represents a valuable opportunity to expand our ocean intelligence—a sentiment echoed in discussions like those surrounding sea creature identification off Ustica Island, as detailed in a related article. We invite expert analysis to definitively classify this unique find and contribute to a broader understanding of coastal biodiversity.

Close Up Tide Pools
Marine Biology Subreddit

Close Up Tide Pools

The intricate beauty of intertidal ecosystems is revealed in this striking image of tide pools at Cape Blanco, Oregon, captured in July 2026. Submitted by /u/JamTrackAdventures, the photograph highlights the surprising biodiversity and almost alien landscapes found within these small, coastal habitats. Such environments are increasingly sensitive to changes in ocean temperature and oxygen levels, as recently explored in a study linking marine extinctions to intolerable heat—a topic further investigated in our article, "PHYS.

What are these?? WA state near Oyster bay
Marine Biology Subreddit

What are these?? WA state near Oyster bay

Encountering unidentified marine organisms can spark significant curiosity, as demonstrated by a recent query from a Washington state shellfish farmer. Harvesting clams near Oyster Bay, the farmer discovered a novel worm-like creature not typically observed with oysters. Notably, the specimen released a green, viscous substance upon being handled, prompting a search for identification. This situation echoes similar inquiries, such as our recent exploration of identifying sharks in Raja Ampat, highlighting the challenges of pinpointing marine life.