Focus-Science and Technology - - Earth -

Two men­ac­ing lizardfish were col­lected on the trip, from a depth of 2,500m (1.6 miles). “It has just nasty, nasty teeth,” says Bray. Huge eyes help them de­tect the faint glow of bi­o­lu­mi­nes­cence, which is a form of light made by many marine an­i­mals. Lizardfish are hermaphrodites, which means they have both fe­male and male sex or­gans. This is a great re­pro­duc­tive strat­egy in the vast­ness of the deep sea, as the fish don’t have to worry about find­ing a part­ner of the op­po­site sex when they want to re­pro­duce – any mem­ber of the same species will do.

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