What is the deep­est-liv­ing fish?

World of Animals - - Animal Answers -

The Mar­i­ana snail­fish cur­rently holds the record for be­ing the deep­est-liv­ing fish known to science. In­di­vid­u­als have been spot­ted at depths ex­ceed­ing 8,100 me­tres (26,574.8 feet).

De­spite its name, this fish looks like a tad­pole with its oval body and long, ta­per­ing ‘tail’. In its dark habi­tat in the depths of the Pa­cific Ocean it has no need for body pig­ments, so its skin is translu­cent. It was first dis­cov­ered in 2014 but was not named un­til 2017 af­ter DNA anal­y­sis con­firmed that it was a dis­tinct species.

Deep-sea fish have spe­cial adap­ta­tions that al­low them to live un­der ex­treme pres­sures, but sci­en­tists are un­cer­tain what the max­i­mum depth is that fish can sur­vive at, so new species could be found at still greater depths.

The Mar­i­ana snail­fish was dis­cov­ered at the bot­tom of the Pa­cific Ocean in the Mar­i­ana Trench

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