History of the Republic of Venice were little compensation. This was the last war of the Republic with Turkey. The decline of Venice in the 18th century was also due not only to Genoa, Venice's old rival, but also to Livorno, a new port on the Tyrrhenian Sea created by the grand dukes of Tuscany and chosen as staging-post for British trade in the Mediterranean. Still more injurious were the Papal town of Ancona and Habsburg Trieste, a free port since 1719, in the Adriatic Sea, which no longer constituted a "Venetian Gulf". An eminent Venetian politician of the time declared, "Apart from the residue which
Sea urchins of the Gulf of California Sea urchins of the Gulf of California The sea urchins of the Gulf of California live between the coasts of the Baja California Peninsula to the west and mainland state of Sonora, Mexico to the east. The northern boundary is the lateral band of land with the remains of the Colorado River Delta, and the southern is the Pacific Ocean. The Gulf of California is known for its high diversity and endemism of biota. One type of marine animal that can be found in this region is the sea urchin (class echinoidea, in the phylum echinodermata). One echinoid, "Mellita granti",