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In zoology, deep-sea gigantism or abyssal gigantism is the tendency for species of deep-sea dwelling animals to be larger than their shallower-water relatives across a large taxonomic range. Proposed explanations for this type of gigantism include necessary adaptation to colder temperature, food scarcity, reduced predation pressure and ...
The Dornier Seastar is a turboprop-powered amphibious aircraft built largely of composite materials.Developed by Claudius Dornier Jr [] of Germany, it first flew in 1984.. The design is owned by Claudius Jr's son, Conrado, who founded Dornier Seawings AG (now Dornier Seawings) to continue work on the project after two previous firms, Claudius Dornier Aircraft and Dornier Composite Aircraft ...
The rough abyssal grenadier is an active benthic forager, with a diet that features a variety of seafloor fauna. [ 4 ] [ 5 ] Squids , crustaceans , and polychaetes comprise the most consistent sources of prey for C. yaquinae , though stomach content analyses have revealed echinoderms , fish , and food scavenged from carrion . [ 5 ]
Some species of other reef inhabitants prey on this species of sea star. Various pufferfishes, Charonia species (triton shells), harlequin shrimp, and even some sea anemones have been observed to eat whole or parts of the sea stars. [3] The Blue Linckia is also prone to parasitization by a species of the parasitic gastropod Thyca crystallina.
Pisaster giganteus, the giant sea star, giant spined star, or knobby sea star is a species of sea star that lives along the western coast of North America from Southern California to British Columbia. It makes its home on rocky shores near the low tide mark. It preys on mollusks. It can grow as large as 24 in (61 cm) in diameter.
Asterias amurensis, ventral view. Asterias amurensis was first seen in Tasmanian coastal waters in 1986. [2] Their presence has been recorded in the state from as far north as Banks Strait (between Cape Portland and Clarke Island [3]) and south to Recherche Bay, with the highest population densities in sheltered waters in south-east Tasmania, particularly the Derwent Estuary.
Protoreaster nodosus, commonly known as the horned sea star or chocolate chip sea star, [1] is a species of sea star found in the warm, shallow waters of the Indo-Pacific region. They are sometimes seen in the marine aquarium trade or dried and sold as curios.
The nine-armed sea star is a scavenger and a predator and examination of the stomach contents show that the diet consists primarily of molluscs, small crustaceans and polychaete worms. Many of the food items were swallowed whole and had been ingested by the starfish everting its stomach and engulfing its prey. [ 4 ]