abyssal zone


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Noun1.Abyssal zone - the deep sea (2000 meters or more) where there is no lightabyssal zone - the deep sea (2000 meters or more) where there is no light
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References in periodicals archive ?
Museums Victoria ichthyologist Martin Gomon said the gathering in Hobart was the first systematic attempt to examine life at abyssal zone depths anywhere along Australia's vast coastline.
A study showed that Chondrichthyes (cartilaginous fishes including rays and skates) are absent from the abyssal zone (8).
It lies in the hadal zone beyond the abyssal zone, and plunges down to a water depth of around 11 kilometers.