Protection Dog Specialists DARKDYNASTYK9S explore the physiological limits and aquatic capabilities of high-performance canines in underwater environments.

2 of 9 — Monty: cavalier King Charles spaniel, 6 months Casteel's new book, out Sept. 16, is possibly the only thing cuter than Underwater Dogs: Underwater Puppies. Casteel tells NPR's David Greene ...

This collection of photos from Seth Casteel features hilarious dogs underwater. We don't usually toss the word "cute" around too often, but sh*t, take a look at Casteel's series, Little Friends ...

Watch future guide dogs react to aquarium animals 9-week-old seeing eye dogs explored Sydney’s SEA LIFE Aquarium, soaking in sights, sounds, and sea creatures to build confidence for their future ...

DECATUR, Ill. | Since Decatur native Seth Casteel's underwater dog photography first went viral online in February, his life has essentially turned inside out. He went from just trying to make a ...