Salmon leaping falls

Salmon ready for market at Fishermen's Wharf, Seattle

Salmon fingerlings at Leavenworth hatchery

Salmon fingerlings at Leavenworth hatchery

Chum salmon eggs

Salmon propagation. Female chinook salmon have been killed and laid out for spawn removal.

Salmon being readied for market

Salmon climbing ladder

Salmon climbing ladder

Steam whale catcher GLOBE III at Coal Harbor, British Columbia

Gray whale marking dart. Experimental markers to visually follow the the same whale for great distances. Roll of 4-inch wide, 3-ft. long vinyl streamer wrapped in roll to unfurl on side of whale after penetration of dart from cross-bow arrow.

Flensing a 78-foot long blue whale. Black baleen at left.

Split-shank harpoons with 2-inch bottlenose harpoon without bomb head and 3 « inch regular harpoon with bomb head weighing 157 pounds.

Blue whale with two harpoons. The gun is a bofors breechloader.

Harpooning a blue whale

Blue whale blowing under bow of catcher boat

78-foot female blue whale on flensing slip.

Flensing a male sperm whale.

Dissecting a sperm whale on the meat loft.

Biologist measuring a whale fetus.

Harpoon gunner at station on Chilean whaling vessel.

Humpback whale (Megaptera novae angliae), 37-foot female being readied for flensing. Note barnacles (Coronula diadema) at anterior end.

On the lookout for whale spouts from the crow's nest.

A humpback whale breaks the surface after it has been harpooned.

A hunter-killer boat on the way to the whaling grounds.

Firing the harpoon gun. When a hit is made, a charge in the head of the harpoon explodes in the whale.

Harpoon gunner in position to fire harpoon into whale.

When a whale is killed, it is brought alongside the hunter-killer boat and inflated with air to keep it afloat.

Cutting strips of blubber after a whale is brought to a shore processing facility. The strips are then cut into smaller pieces for the boilers which extract whale oil. Oil is also extracted from the meat and bones; oil is also extracted from the meat and bones; what is left is made into fertilizer.

At a processing facility the carcass of the whale is stripped of its outer layer of fat, or blubber. Cuts are made with sharp knives along the length of the body, and the whole strip is then peeled off by power winch. This is called flensing.

The whaling station at Coal Harbor, at the northwest tip of Vancouver Island.

Image from an investigation of Florida commercial sponges

Elephant ear sponge - specimen from Mediterranean Sea

Grass sponge - specimen from Bahama Islands

Glove sponge

Key grass sponge - specimen from Florida

Sheepswool sponge - specimen from Florida Keys. Craters or oscula very prominent. Weight 5.5 ounces dry. Diameter - 12 inches.

Simocea sponge - specimen from Mediterranean Sea

Toilet sponge - specimen from Mediterranean Sea

Turkey cup sponge - specimen from Mediterranean Sea

Velvet sponge - specimen from Cuba

Velvet sponge - specimen from Bahamas

Starfish (Pycnopodia helianthoides)

Starfish (Pycnopodia helianthoides)

Student measuring starfish

Aggregation of starfish on oyster bed

Starfish (Asterias forbesi)

Starfish (Asterias forbesi)

Starfish, a predator of shellfish

Starfish shellfish predators