Sharks in the abyssal zone

Painting of the F.N.R.S. 3 and gulper sharks by Michael Ramus, from Houot (1958). It is currently thought that sharks do not inhabit the abyssal zone (depths >4,000 m) due to physiological constraints (Priede et al., 2006; Laxson et al., 2011; Treberg & Speers-Roesch, 2016). However, there is at least one abyssal occurrence that has …

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