Letter | Published:

Occurrence of Pyrosoma on the Continental Slope

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Abstract

Hurley and McKnight1 have reported that the pelagic tunicate Pyrosoma atlanticum atlanticum rests on or swims just above the sea-floor at a depth of 160–170 metres. Indirect observations made on this species in the course of a line-fishing survey of the fishes of the south-eastern Australian continental slope2 corroborate the concentration of this species near the sea-floor and extend the habitat to the floor of the continental slope.

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References

  1. 1

    Hurley, D. E., and McKnight, D. G., Nature, 183, 4660 (1959).

  2. 2

    Cowper, T. R., and Downie, R. J., C.S.I.R.O., Aust. Div. Fish. Oceanogr. Rep. No. 6 (1957).

  3. 3

    Thompson, Harold, “Pelagic Tunicates of Australia” (Commonwealth Council for Scientific and Industrial Research, Australia, Melbourne, 1948).

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