Deep-sea research part i-oceanographic research papers
Their heads are large compared to their size with small eyes; their bodies are slender to deep, tapering to very small tails.
Xenophyophores are difficult to study due to their extreme fragility. They excrete a slimy substance while feeding; in locations with a dense population of xenophyophores, such as at the bottoms of oceanic trenchesthis slime may cover large areas. Snailfish are scaleless with a thin, loose gelatinous skin; some species, such as Acantholiparis opercularis have prickly spines, as well.
The deep sea is interpreted to be the ocean beyond the continental shelf. The xenophyophores themselves also play commensal host to a number of organisms—such as isopods e.
They are benthic fish with pelvic fins modified to form an adhesive disc; this nearly circular disc is absent in Paraliparis and Nectoliparis species. For this reason, very little ny times modern love essay contest known of their life history. This refers to the sediments, called xenophyae, which are cemented together to construct their tests.
In addition to regular "Research Papers" and "Instruments and Methods" papers, briefer communications may be published as "Notes". This is a wider depth range than any other family of fish.
Oceanographic Research Papers is devoted to the publication of the results of original scientific research, including theoretical work of evident oceanographic applicability; and the solution of instrumental or methodological problems with evidence of successful use. Their teeth are small and simple with blunt cusps.
InHenry Bowman Brady classified them as primitive Foraminifera. The extensive dorsal and anal fins may merge or nearly merge with the tail fin.
Description[ edit ] Xenophyophores are an important component of the deep sea-floor, as they have been found in all four major ocean basins.
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