Recherche Archipelago mollusc, and over 450 types of sponge, sea grasses, and soft corals. A coral-like algae species, rhodoliths, form beds which support marine species of spiders, snails, and worms, also acting as a creche for scallops. Marine mammals associated with the islands include two species of seal, large groups of common dolphins ("Delphinus delphis"), and minke whales ("Balaenoptera acutorostrata"). Seagrasses found at the island include: "Amphibolis antarctica, Amphibolis griffithii, Halophila decipiens, Halophila ovalis, Posidonia angustifolia, Posidonia australis, Posidonia coriacea, Posidonia denhartogii, Posidonia kirkmani, Posidonia ostenfeldii, Posidonia sinuosa, Syringodium isoetifolium, and Thalassodendron pachyrhizum". The islands support populations of terrestrial flora and fauna,
Delphinus Pegasus the flying horse. Delphinus lacks stars above fourth (apparent) magnitude; its brightest star is of magnitude 3.8. The main asterism in Delphinus is Job's Coffin, nearly a 45°-apex lozenge diamond of the four brightest stars: Alpha, Beta, Gamma, and Delta Delphini. Delphinus is in a rich Milky Way star field. Alpha and Beta Delphini have 19th century names Sualocin and Rotanev, read backwards: Nicolaus Venator, the Latinized name of a Palermo Observatory director, Niccolò Cacciatore (d. 1841). Alpha Delphini is a blue-white hued main sequence star of magnitude 3.8, 241 light-years from Earth. Beta Delphini, called Rotanev. The gap