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).