In the bays and lower courses of the rivers are porpoises, whiting, sea bass, channel bass, shad, sturgeon, mullet, drum, bluefish, snappers, sheepshead, weakfish or squeteague, groupers, and several other kinds of fish.
The dolphins, bottle-noses, or, as they are more commonly called, "porpoises," are found in abundance in all seas, while some species are inhabitants of large rivers, as the Amazon.
They are mostly gregarious, and the agility and grace of their movements in the water are themes of admiration to the spectators when a "school of porpoises" is playing round the bows of a vessel at sea.
The whale is often seen in the Gulf of Oman; porpoises and swordfishes are common.
Ca`rdhas, which shows the pre-Teutonic form, means a troop), a number of animals of one kind driven or fed together, usually applied to cattle as "flock" is to sheep, but used also of whales, porpoises, &c., and of birds, as swans, cranes and curlews.