Sealife
The life you came to see.
A glimpse of the species divers travel the world for — and the record every diver helps build.
Sealife spotlight
A few of the ocean's headliners.
The DiveSight field guide documents 6,010+ marine species. Here’s a curated glimpse — the giants, the weird-and-wonderful macro life, and the everyday color of the reef. Every one is a species divers can log toward their Sealife List.
Iconic Megafauna
Sharks, rays, whales & big pelagics
























Coveted Macro Critters
The weird and wonderful small stuff






















Reef Life
The everyday color of the reef










Image credits (63)
- Whale Shark — Abe Khao Lak · CC BY-SA 4.0
- Giant Manta Ray — Steve Laycock (Stevelaycock21) · CC BY-SA 4.0
- Reef Manta Ray — Shiyam ElkCloner · CC BY-SA 3.0
- Munk's Devil Ray — Nick Bonzey from Corvallis, OR · CC BY-SA 2.0
- Spotted Eagle Ray — Wikimedia Commons · Public domain
- Great White Shark — Bernard DUPONT · CC BY-SA 2.0
- Scalloped Hammerhead — NOAA Photo Library · CC BY 2.0
- Great Hammerhead Shark — Albert kok · CC BY-SA 4.0
- Tiger Shark — Albert kok · CC BY-SA 3.0
- Oceanic Whitetip Shark · CC BY-SA 3.0
- Bull Shark — NOAA Photo Library · CC BY 2.0
- Pelagic Thresher Shark — Ben Costamagna · CC BY 4.0
- Orca — Robert Pittman · Public domain
- Sperm Whale — Gabriel Barathieu · CC BY-SA 2.0
- Humpback Whale — patrickkavanagh · CC BY 2.0
- Bottlenose Dolphin — Gregory "Slobirdr" Smith · CC BY-SA 2.0
- Atlantic Spotted Dolphin — NOAA Southeast Fisheries Science Center · Public domain
- Dugong — Gejuni · CC BY-SA 3.0
- California Sea Lion — greyloch · CC BY-SA 2.0
- Green Sea Turtle — Arthur T. LaBar · CC BY 2.0
- Hawksbill Turtle — State Library of Queensland · No known copyright restrictions
- Leatherback Sea Turtle — Claudia Lombard, U.S. Fish and Wildlife Service · Public domain
- Ocean Sunfish — U.S. National Oceanic and Atmospheric Administration · Public domain
- Indo-Pacific sailfish — harrier · CC BY 4.0
- Humphead Wrasse — Julien Bidet for MDC Seamarc · CC BY-SA 4.0
- Bumphead Parrotfish — NOAA Photo Library · CC BY 2.0
- Goliath Grouper — LASZLO ILYES · CC BY 2.0
- Smalltooth Sawfish — Wikipedia · CC BY-SA
- Mandarinfish — antsz1 · CC BY 2.0
- Peacock Mantis Shrimp — prilfish · CC BY 2.0
- Greater Blue-ringed Octopus — Wikipedia · CC BY-SA
- Violet Blanket Octopus — DiveSight · All rights reserved
- Mimic Octopus — Carlos Fernandez-Cid, carloscies · CC BY 2.0
- Wonderpus Octopus — prilfish · CC BY 2.0
- Coconut Octopus — Rickard Zerpe · CC BY 2.0
- Giant Pacific Octopus — NOAA/R. N. Lea [1] · Public domain
- Flamboyant Cuttlefish — Rickard Zerpe · CC BY-SA 2.0
- Leafy Seadragon — James Rosindell · CC BY-SA 4.0
- Weedy Seadragon — Tim Sheerman-Chase · CC BY 2.0
- Hairy Frogfish — Etienne Gosse · CC BY 2.0
- Clown Frogfish — Carlos Fernandez-Cid, carloscies · CC BY 2.0
- Raggie Scorpionfish — Christian Gloor · CC BY 2.0
- Leaf Scorpionfish — Carlos Fernandez-Cid, carloscies · CC BY 2.0
- Ornate Ghost Pipefish — John Stevenson · CC BY 2.0
- Bargibant's Pygmy Seahorse — prilfish · CC BY 2.0
- Denise's pygmy seahorse — prilfish · CC BY 2.0
- Harlequin Shrimp — Etienne Gosse · CC BY 2.0
- Bobbit Worm — Kris-Mikael Krister · CC BY 2.0
- Spanish Dancer Nudibranch — Rickard Zerpe · CC BY 2.0
- Blue Dragon Nudibranch — Sylke Rohrlach · CC BY-SA 2.0
- Pikachu Longhorn Dorid — yao chiu · CC BY 2.0
- Clown Anemonefish — Donald Davesne · CC BY 4.0
- Queen Angelfish — LASZLO ILYES · CC BY 2.0
- French Angelfish — LASZLO ILYES · CC BY 2.0
- Longnose Butterflyfish — The original uploader was Aquaimages at English Wikipedia. · CC BY-SA
- Burgess' Butterflyfish — Wikipedia · CC BY-SA
- Banggai Cardinalfish — Wikipedia · CC BY-SA
- Giant Moray Eel — Neil Strickland · CC0 1.0
- Giant Trevally — Papahānaumokuākea Marine National Monument · Public Domain
- Great Barracuda — Wikimedia Commons · Public domain
- Scrawled Cowfish — Wikipedia · CC BY-SA
- Filament Devilfish — Kai Squires · CC BY 4.0
- Blue-Striped Snapper — Wikipedia · CC BY-SA
Recently seen
What divers are spotting right now.
Live, research-grade observations from iNaturalist, geo-scoped to iconic dive regions — or to wherever you are. It's exactly the kind of contribution DiveSight helps divers make: streamlined, rigorous, and fed straight into the programs that use it.
Recently observed near Raja Ampat, Indonesia
Recent research-grade observations via iNaturalist, licensed by their observers. DiveSight Institute displays them with thanks — we’re here to feed these platforms, not replace them.
Join the effort
Your next dive can be data for the ocean.
Log what you see and help build a living record of ocean life that informs real conservation — one dive at a time.