Sea Life A–Z: A Sampling of Marine Creatures

Alphabetical Marine Menagerie

Here is a curated A–Z list of sea creatures—representing major groups, not an exhaustive census (which would exceed 240,000 known species).

A – Anemone, Angelfish, Albatross (seabird)
B – Barracuda, Bass, Blue Whale, Barnacle, Boxfish
C – Clam, Clownfish, Cod, Crab, Cuttlefish, Coral, Conch
D – Dolphin, Dugong, Dragonet, Dogfish, Dungeness Crab
E – Eel, Eagle Ray, Elephant Seal, Elasmobranch (shark/ray group)
F – Flounder, Flying Fish, Fangtooth, Fan Coral, Fiddler Crab
G – Grouper, Great White Shark, Guitarfish, Ghost Crab, Gorgonian
H – Haddock, Halibut, Herring, Horseshoe Crab, Humpback Whale
I – Isopod (giant), Irish Moss (algae), Ivory Shell
J – Jellyfish, Japanese Spider Crab, John Dory
K – Krill, Kelp (algae), Killer Whale (Orca), King Crab
L – Lobster, Lionfish, Limpet, Lanternfish, Leatherback Turtle
M – Manta Ray, Moray Eel, Manatee, Mollusk, Moon Jelly
N – Narwhal, Nautilus, Nudibranch, Nurse Shark
O – Octopus, Oyster, Orca, Opah, Ocean Sunfish (Mola mola)
P – Parrotfish, Porpoise, Pufferfish, Plankton, Penguin, Polar Bear (marine mammal)
Q – Queen Conch, Queen Triggerfish, Quahog
R – Ray, Red Snapper, Rockfish, Razor Clam, Remora
S – Shark, Seahorse, Sea Otter, Sea Star, Squid, Salmon, Sardine, Sponge
T – Tuna, Turtle, Triggerfish, Tubeworm (hydrothermal), Tiger Shark
U – Urchin, Unicorn Fish, Uaru (cichlid)
V – Vampire Squid, Velvet Crab, Viperfish
W – Whale, Walrus, Wrasse, Wolf Eel, Whale Shark
X – Xiphosura (horseshoe crab order), Xenia (soft coral)
Y – Yellowfin Tuna, Yellowtail, Yeti Crab
Z – Zebra Shark, Zebrafish, Zooplankton, Zostera (eelgrass)