Virtually nothing is known about the natural history of the bighead spurdog.

The roughskin spurdog is ovoviviparous with 21 to 22 young in a litter.

The blacktailed spurdog has been seldom studied for parasites.

Allin was still intent on the Spurdog.

I could still smell the rank sweat of my own fear and the charring of the burning Spurdog.

Wizardry or just chance swept a sheaf of blazing arrows back into the Spurdog's sails.

The eastern highfin spurdog, Squalus albifrons, is a dogfish which was described in 2007.

The bighead spurdog is a robustly built, spindle-shaped shark with a hump behind the head.

Parrail risked a glance over the stern rail and saw a second hungry pack come fanning out on either side of the Spurdog.

Longboats surged out from behind the Spurdog, each packed with pirates, blades cutting bright swathes in the sunlight.

The fatspine spurdog is a rare, small and slender dogfish with a broad head and short snout.

Allin took a resolute breath and magefire leapt from the Spurdog to the Thornray.

The western highfin spurdog, Squalus altipinnis, is a dogfish of the family Squalidae.

As the Spurdog ran a vivid scarlet pennant up its mainmast, the Thornray answered with its own.

The shark at the beakhead below the bowsprit identified it as the Spurdog and it looked unholy imposing in these confined waters.

Squalus japonicus (Japanese spurdog)

The helmsman glanced over his shoulder as the Spurdog's sails stole what little breeze the Tang could hope for between the confining islands.

The Spurdog was burning with a furnace roar and, with the Thornray helpless, the pirate vessels drifted apart.

Cirrhigaleus asper (Roughskin spurdog)

Squalus albifrons (Eastern highfin spurdog)

Squalus altipinnis (Western highfin spurdog)

Squalus blainville (Longnose spurdog)

Squalus bucephalus (Bighead spurdog)

Squalus chloroculus (Greeneye spurdog)

Squalus crassispinus (Fatspine spurdog)

Momsen led the effort to salvage the Squalus, which took 113 days.

The name Squalodon comes from Squalus, a genus of shark.

It was the re-creation of conditions inside the Squalus that posed the greatest technical and acting challenges.

The Squalus submarine rescue took more than a day to accomplish, and thirty-three were saved."

They learned of another shark species about the same size as Squalus called the sharpnose shark.

This is Peter Maas's second book about the Squalus.

Unlike other Squalus species, adults have a mix of one-cusped and three-cusped denticles.

Subvert.com memorial to the Squalus.

The Story of the Squalus.

Squalus formosus is a species in the genus of Squalus.

Three others divers also received Medals of Honor for assisting in the Squalus rescue and salvage.

This difference led to casualties in Snapper and Sturgeon, and to the loss of Squalus.

Shilling later recalled that the untested submarine rescue procedures utilized with the Squalus incident "worked like a charm".

The effects from narcosis was not proven until the salvage of the USS Squalus in 1939.

The species name is derived from the shark genus Squalus in reference to the sharkfin-like process on the dorsal margin of the male valva.

Squalus japonicus (Japanese spurdog)

It was originally the USS Squalus.

Department's Report on "Squalus" Disaster.

This discovery was later used to save the lives of 33 members of the submarine USS Squalus which went down in 1939.

In May 1939 the Navy's latest submarine, the Squalus, made a test dive off the Maine coast and failed to resurface.

Here Maas's scheme to honor Momsen unwittingly creates its own casualties, and not just because the Squalus operation was a team effort.

Squalus albifrons (Eastern highfin spurdog)

Squalus blainville (Longnose spurdog)

Squalus bucephalus (Bighead spurdog)

Squalus chloroculus (Greeneye spurdog)