Coldwater fish, in the context of aquariums, refers to fish species that prefer cooler water temperatures than tropical fish, typically below 20 C . Some examples are koi and goldfish. These species tend to grow more slowly and live longer than fish that live in warmer waters, and are generally felt to be easier to keep.
Coldwater fish need to be kept in water that is below 68 degrees fahrenheit.
A: Yes

USFC "Fish Hawk" was a fisheries research ship operated by the United States Commission of Fish and Fisheries and its successor, the United States Bureau of Fisheries, from 1880 to 1926. She was the first large ship purpose-built by any country for the promotion of fisheries, and spent her 46-year career operating along the United States East Coast, in the Gulf of Mexico, and off Puerto Rico.
The USFC "Fish Hawk" was the only large ship built for the promotion of fisheries.
A: It's impossible to say

Cape Vakop ( ) is a headland between Hound Bay and Luisa Bay on the north coast of South Georgia. It was charted by the Second German Antarctic Expedition, 191112, under Wilhelm Filchner. The name appears on a chart based upon surveys of South Georgia in 192630 by DI personnel, but may represent an earlier naming.
Cape Vakop was likely uninhabited during the early 20th century
A:
Yes