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A 50-second video of snails (most likely Natica chemnitzi and Cerithium stercusmuscaram) feeding on the sea floor in the Gulf of California, Puerto Peñasco, Mexico. A hermit crab occupying a shell of Acanthina punctulata has been disturbed, and has retracted into the shell, using its claws to bar the entrance in the same way the snail used its ...
Cerithideopsis californica, common name the California hornsnail [2] or the California horn snail, [3] is a species of sea snail, a marine gastropod mollusk in the family Potamididae. [4] This series was previously known as Cerithidea californica .
Most adults have shells which are 20 to 50 mm (or about an inch, to an inch and three quarters) in diameter. Adults weigh anywhere from 2 to 20 grams. [4] Individuals can live anywhere from 7 to 30 years; studies have shown that individuals inhabiting the more northern portions of the organism's range are larger and live longer on average than organisms inhabiting the southern portions.
Conidae, with the current common name of "cone snails", is a taxonomic family (previously subfamily) of predatory sea snails, marine gastropod molluscs in the superfamily Conoidea. The 2014 classification of the superfamily Conoidea groups only cone snails in the family Conidae.
The blue-ringed octopus's rings are a warning signal; this octopus is alarmed, and its bite can kill. [42] A few species of molluscs, including octopuses and cone snails, can sting or bite. Some present a serious risk to people handling them. However, deaths from jellyfish stings are ten times as common as those from mollusc bites. [43]
The coast of California north of San Francisco contains the Northern California coastal forests (as defined by the WWF) and the southern section of the Coast Range ecoregion (as defined by the EPA). This ecoregion is dominated by redwood forest , containing the tallest and some of the oldest trees in the world.
In accordance with their history as an ancient food source in Atlantic Europe, they are harvested and consumed in the Azores Islands by the Portuguese people, where they are usually called búzios, the generic name for sea snails. The record for the farthest a human has spat a winkle was 10.4 metres by Alain Jourden (France) in 2006. [25]
A cold seep (sometimes called a cold vent) is an area of the ocean floor where seepage of fluids rich in hydrogen sulfide, methane, and other hydrocarbons occurs, often in the form of a brine pool. Cold does not mean that the temperature of the seepage is lower than that of the surrounding sea water; on the contrary, its temperature is often ...