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A tunicate is an exclusively marine invertebrate animal, a member of the subphylum Tunicata (/ ˌ tj uː n ɪ ˈ k eɪ t ə / TEW-nih-KAY-tə).This grouping is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates).
Pelagic tunicates (including salps) overview Scientific expedition to study salps near Antarctica - many details, with interviews, photos, videos, graphs Sludge of slimy organisms coats beaches of New England Boston Globe October 9, 2006
Pyrosomes are free-floating colonial tunicates in family Pyrosomatidae.There are three genera, Pyrosoma, Pyrosomella and Pyrostremma, and eight species. [3] [4] They usually live in the upper layers of the open ocean in warm seas, although some may be found at greater depths.
References A adhesive organ 1. An organ present at the anterior end of ascidian larvae, serving to attach the larva to the substrate during its metamorphosis. It is usually made of three papillae. 2. The individual papillae. atrium atrial pore atrial siphon Also excurrent siphon or exhalant siphon. Opening through which water exits the branchial basket in ascidians. B blastozooid Sexual ...
Thaliacea is a class of marine chordates within the subphylum Tunicata, comprising the salps, pyrosomes and doliolids.Unlike their benthic relatives the ascidians, from which they are believed to have emerged, thaliaceans are free-floating for their entire lifespan.
Larvaceans, copelates or appendicularians, class Appendicularia, are solitary, free-swimming tunicates found throughout the world's oceans. While larvaceans are filter feeders like most other tunicates, they keep their tadpole-like shape as adults, with the notochord running through the tail.
List of tunicates of Ireland This page was last edited on 2 July 2024, at 13:26 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
It is unique among other tunicates in that rather than being a filter feeder, it has adapted to life as an ambush predator. Its mouth-like siphon is quick to close whenever a small animal such as a crustacean or a fish drifts inside. Once the predatory tunicate catches a meal, it keeps its trap shut until the animal inside is digested.