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[4] [5] For example, a large marine vertebrate may eat smaller predatory fish but may also eat filter feeders; the stingray eats crustaceans, but the hammerhead eats both crustaceans and stingrays. Animals can also eat each other; the cod eats smaller cod as well as crayfish, and crayfish eat cod larvae. The feeding habits of a juvenile animal ...
The legal size of crabs is 6.25 in (159 mm) in California, Oregon, and Washington for commercial fisheries [4] [5] and 6.5 in (170 mm) in Alaska and Canada. [ 3 ] [ 7 ] In recreational fisheries, the minimum size in California and Oregon is 5.75 inches (146 mm) [ 13 ] [ 14 ] , while Washington is 6 inches (150 mm). [ 15 ]
Florida stone crabs prefer to feed on oysters and other small mollusks, polychaete worms, and other crustaceans. They will also occasionally eat seagrass and carrion . Predators that feed on stone crabs include horse conch , grouper , sea turtles , cobia , and octopuses .
Pelagic red crab (Grimothea planipes)Grimothea planipes usually feeds on protists and zooplankton, but will feed by filtering blooms of diatoms. [7]As the most abundant species of micronekton in the California Current, Grimothea planipes fills an important ecological niche converting primary production into energy that larger organisms can use. [8]
Emerita is a small genus of decapod crustaceans, [3] known as mole crabs, sand fiddlers, sand fleas or sand crabs. These small animals burrow in the sand in the swash zone and use their antennae for filter feeding. [4] [5]
Paralithodes californiensis, also known as the spiny king crab and the California king crab, is a species of king crab [1] [2] [3] It is closely related to P. rathbuni with the same common names being used for the two and some authorities suggest that they might be conspecific. [4]
The “super pod” of Risso’s dolphins was spotted in Carmel Bay, off central California’s coast. This species , which can grow to over 10ft long and weigh as much as half a metric tonne, is ...
The carapace width of mature Dungeness crabs may reach 25 cm (9.8 in) in some areas off the coast of Washington, but are typically under 20 cm (7.9 in). [22] They are a popular delicacy, and are the most commercially important crab in the Pacific Northwest, as well as the western states generally. [23]