Beginning in 1834, an index of business activity by the Cleveland Trust Company provides data for comparison between recessions. Beginning in 1854, the National Bureau of Economic Research dates recession peaks and troughs to the month. However, a standardized index does not exist for the earliest recessions. In 1791, Congress chartered the First Bank of the United States to handle the country's financial needs.
Shellfish, any aquatic invertebrate animal having a shell and belonging to the phylum Mollusca, the class Crustacea (phylum Arthropoda), or the phylum Echinodermata. The term is often used for the edible species of the groups, especially those that are fished or raised commercially. Bivalve mollusks, including oysters, mussels, scallops, and clams, rank among the most commercially important shellfish throughout the world. Certain gastropod mollusks, such as abalone, whelk, and conch, are also marketed.
Clownfish is a small marine fish which gained worldwide popularity after appearing in the animated movie Finding Nemo. There are 28 different species of clownfish that inhabit Indian and Pacific oceans, Red Sea and Australian Great Barrier Reef. Clownfish lives in the warm water, near the coral reefs.lownfish is immune to the venom of anemone because it has thick layer of mucus on the surface of the body. Percula clownfish is a type of clownfish which introduces itself to the anemone by performing a dance. Besides dead tentacles and anemone's leftovers, clownfish eats various algae and plankton.