oa African Zoology - Notes on the bathypelagic fauna of the seas around South Africa

Volume 1, Issue 2
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X



The bathypelagic fauna of the sea may be regarded as comprising those pelagic animals which dwell during daylight hours in the darkness of the mid-depths of the ocean, below the depth to which visible light penetrates. At night most of these bathypelagic animals migrate vertically upwards and some actually reach the surface. The present study was limited to animals obtained with a mid-water trawl, with netting of half-inch stretched mesh size, fishing down to a depth of approximately 500 metres. The area covered included southern African coastal waters and the South West Indian Ocean.

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