Sentences with phrase «tunicates in»

As you drift north through the channel, the topography shifts from a gentle slope to steep wall, festooned with colourful soft corals, huge gorgonian sea fans, and sea squirts and tunicates in a multitude of sizes and shapes.

In consequence, the data available up to now are scarce and we are just starting to comprehend the fundamental properties that will allow us to better understand the role of jellyfish and pelagic tunicates in the global carbon cycle.»

Not exact matches

Scientists from Oregon State University's Hatfield Marine Science Center confirmed the presence of dozens of species native to Japanese coastal waters — including barnacles, starfish, urchins, anemones, amphipods, worms, mussels, limpets, snails, solitary tunicates and algae — that were on a large floating dock in Japan that washed ashore at Agate Beach near Newport, Oregon in June 2012.

In this study, the researchers began with a naturally occurring antimicrobial peptide called clavanin - A, which was originally isolated from a marine animal known as a tunicate.

Fishermen have never seen so many of the tropical tunicates, and they've even stopped fishing in areas where tens of thousands of them are being caught in nets and hooks.

When the researchers built an evolutionary tree from these comparative data, the amphioxus branched off earliest, followed by tunicates and larvaceans, with vertebrates being the most recent to evolve, the team reports 23 February in Nature.

Charles Darwin thought they were relatives of mollusks; in the mid-1800s, however, Russian biologist Alexander Kowalevsky countered that the mobile tunicate larva, with its dorsal cartilaginous column resembling a spine, should be grouped with vertebrates and not clams and snails — even though the adult never develop a backbone.

In their place, mat - like colonial tunicates and encrusting bryozoans took over.

Their latest article in the international magazine «Limnology and Oceanography» describes for the first time the sinking speed of organic remains from jellyfish and pelagic tunicates.

The BBRRS is also home to endemic species including several Yucatan birds, island lizards, several fishes, tunicates, and sponges, making it an area with one of the highest levels of marine biodiversity in the Atlantic.