Facts about Long-nosed Chimaera

1. 07

   A member of the order Chimaeriformes, the long-nosed chimaera uses gill covers called opercula to breathe, unlike sharks which have exposed gill slits.

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2. 06

   In the cartilaginous fish lineage, long-nosed chimaeras branched off over 300 million years ago, making them evolutionary relatives of sharks and rays rather than true fish.

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3. 05

   Approximately 3 meters in length, the long-nosed chimaera's body remains largely translucent or silvery, an adaptation allowing it to conserve energy in the perpetually dark deep ocean.

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4. 04

   Female long-nosed chimaeras produce between 4 and 6 large eggs per reproductive cycle, each enclosed in a leathery capsule that takes months to develop.

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5. 03

   Elongated snout sensory organs on the long-nosed chimaera detect electrical fields generated by prey organisms buried in deep-sea sediment.

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6. 02

   The long-nosed chimaera produces a venomous spine on its dorsal fin that delivers toxin through grooves when defending itself or competitors during breeding season.

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7. 01

   Depths exceeding 2,600 meters host the long-nosed chimaera, making it one of the deepest-living fish species known to science.

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