Sealife guideThe Forcipulatida orderThe taxonomy of marine species
Explore the taxonomy of marine echinoderms with a dedicated focus on starfish and sea urchins !
The class Asteroidea, commonly known as starfish, includes more than 1,600 known species. These marine animals can reach over one meter in span with their arms fully extended and typically have five arms or a multiple of five, with the number potentially varying due to regeneration after an arm is lost. Their skeleton is made up of adjacent but not fused calcareous plates.
Blue spiny starfish
(Coscinasterias tenuispina)
(Coscinasterias tenuispina)
Purple sea star
(Pisaster ochraceus)
(Pisaster ochraceus)
Spiny starfish
(Marthasterias glacialis)
(Marthasterias glacialis)
Sunflower sea star
(Pycnopodia helianthoides)
(Pycnopodia helianthoides)
Our latestUpdates
Monday, October 27th 2025
The Spanish slipper lobster
The Spanish slipper lobster is a colorful crustacean found around reefs in the tropical waters of the northwestern Atlantic. Its flattened body and distinctive antennae allow it to hide in crevices during the day and emerge at night to feed on benthic invertebrates.
Monday, October 20th 2025
The Hawaiian archipelago, a volcanic gem of the pacific
Discover the Hawaiian archipelago, a volcanic paradise in the Pacific ocean where fiery mountains, lush forests and turquoise lagoons meet. Explore its islands, unique biodiversity and the geological forces that shaped this natural wonder.
Monday, October 13th 2025
Universal Epic Universe: the next-level immersive park
Discover Epic Universe, Universal Orlando's newest theme park. Dive into immersive worlds, spectacular attractions, and a breathtaking, one-of-a-kind experience.
Photo of the Day
Poisson lime à taches orange
(Oxymonacanthus longirostris)
(Oxymonacanthus longirostris)
Copyright © 2007-2025 auxBulles.com - All rights reserved. Legal notices.Photo credits - Our partners