Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize

Close-up view of fishing rod and fishes lying on ice next to a hole on frozen lake, Lapland, Sweden

Man lying on ice while fishing from a hole, Lapland, Sweden

Ice drill, fishing rods and catch of fish close to ice hole, Lapland, Sweden, Scandinavia, Europe

Drilling a hole in the ice while fishing on frozen lake in the Arctic Circle on Ringvassoya Island in the region of Tromso, Northern Norway

Drilling a hole in the ice while fishing on frozen lake in the Arctic Circle on Ringvassoya Island in the region of Tromso, Northern Norway

Fishermen on the wild coast near Hole in the Wall in a region of South Africa's Eastern Cape Province formerly known as the Transkei.

Fly Fishing Big Hole River MT

Small fishing boat in front of huge iceberg with two holes, Disko Bay, Ilulissat, Greenland, Denmark, North America

08/15/08 Crew members Alexai Gamble and Nick Demmert sort salmon after sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

08/15/08 Crew member Alexai Gamble hauls in the net while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies" or pink salmon, United States of America

08/15/08 Crew member Nick Demmert hauls in the net while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

Crew member Alexai Gamble hauls in the net while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

An Asian woman is having fun sledding down a steep ice slope. Hwacheon Sancheoneo Ice Festival. Gangwon-do, South Korea. The Hwacheon Sancheoneo Ice Festival is a tradition for Korean people. Every year in January crowds gather at the frozen river to celebrate the cold and snow of winter. Main attraction is ice fishing. Young and old wait patiently over a small hole in the ice for a trout to bite. In tents they can let the fish grilled after which they are eaten. Among other activities are sledding and ice skating. The nearby Pyeongchang region will host the Winter Olympics in February 2018.

08/15/08 Crew member Nick Demmert hauls in the net while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

08/15/08 Crew member Nick Demmert sets aside a few of the best of the day's catch for himself while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

08/15/08 Crew member Alexai Gamble hauls in the net while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

08/15/08 Crew member Nick Demmert puts salmon into the fish hold while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

08/15/08 Crew member Nick Demmert repairs the net while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

Crew members Alexai Gamble and Nick Demmert hauls in the net while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

08/15/08 Crew members Alexai Gamble and Nick Demmert haul in the net while sein fishing on Captain Larry Demmert's boat just off of the outer islands west of Prince of Whales Island in SE Alaska. This is a native fishing hole. At this time they were catching mostly "humpies", United States of America

A fly fisherman pulls in line while fishing on the Snake River, Jackson Hole, Wyoming. Fly fishing uses an artificial fly tied to the end of a fishing line. Fly fishing requires constant attention to the position and movement of the fly to simulate natural movement.

Mrs. Muckpa waits by a hole for a seal to come up to take a breath.

Portrait of a river otter (Lutra canadensis) lying down near an ice-fishing hole on an Anchorage area lake. Members of the weasel family, otters catch and eat trout, suckers and other fish, Anchorage, Alaska, United States of America

Portrait of a pair of river otters (Lutra canadensis) pause near an ice-fishing hole on an Anchorage area lake. Members of the weasel family, otters catch and eat trout, suckers and other fish, Anchorage, Alaska, United States of America

Young Girl Trying To Drill A Hole In The Ice Of Frozen Lake Wabamun Without Any Success: Wabamun, Alberta, Canada