Ranitidine is a competitive, reversible inhibitor of the action of histamine at the histamine H2-receptors, including receptors on the gastric cells. Ranitidine does not lower serum Ca++ in hypercalcemic states. Ranitidine is not an anticholinergic agent.
1 The Blue Marlins have a diet of: Octopi, squid and pelagic fish such as black fin tuna and frigate mackerel.  They do prefer to hunt alone and during the day, rather than in schools, so it is safe to say they are a rather antisocial species.
The blue crab is a great bait for a variety of saltwater game fish. Redfish, black drum and tarpon are just a few fish that will enjoy eating a blue crab. You can find blue crabs inshore and offshore. Anglers that use crabs for bait will typically try to catch them in the bays, creeks, canals, and marshes.