Coral Identification Diver Drifting over a healthy coral reef is magical — and knowing what you're looking at makes it even bet...

Coral Reef Restoration Turn your diving into direct conservation work. The SSI Coral Reef Restoration specialty teaches you...

Fish Identification The world's oceans are home to thousands of fish species, and you'll meet plenty of them on your di...

Fresh Water Ecology Most specialty courses are written for the ocean — this one's written for divers like us. The SSI F...

Invasive Species Management Lionfish are an ecological problem with no natural predators in the Atlantic and Caribbean — and di...

Manta & Ray Ecology Few encounters top gliding alongside a manta ray. The SSI Manta & Ray Ecology specialty teaches ...

Marine Ecology Ever wonder how everything underwater connects? The SSI Marine Ecology specialty teaches you how oce...

Marine Invertebrate Ecology Dive into the wonders of marine invertebrates with this SSI ecology specialty. From nematodes and sp...

Marine Mammal Ecology Fascinated by the thought of diving with whales? The SSI Marine Mammal Ecology specialty dives into ...

Nudibranch Ecology Sea slugs are some of the most colorful, bizarre creatures on any reef. The SSI Nudibranch Ecology ...

Sea Turtle Ecology Sea turtles are some of the most wonderful animals to dive with — and you'll want to dive with them...

Shark Ecology Whether you're a die-hard shark fan or nervous about diving with them, the SSI Shark Ecology specia...