The swimming behaviour and distribution of Neomysis integer in relation to tidal flow

S.M. Lawrie, D. Speirs, D.G. Rafaelli, William Gurney, D.M. Patterson, R. Ford

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The behaviour and distribution of the estuarine mysid shrimp, Neomysis integer, were investigated in relation to a variety of flow regimes in the field and in the laboratory. In the field, Neomysis aggregated in low-flow areas, such as in the lee of rocks and macroalgal clumps. Over the low-tide period and during ascending and high-tide periods, individuals were concentrated in a band toward the moving tide edge where flows are typically low. Experiments performed using a laboratory flume demonstrated a clear response of Neomysis to flow, the proportion of individuals above the bed declining with increasing flow. At flows of up to 10 cm s−1, 90–95% of individuals were able to maintain position on the bed of the flume, but at flows greater than this, Neomysis were unable to maintain position. When provided with a choice of water depths in a laboratory static tank (zero flow), there was little evidence of depth-seeking behaviour. We suggest that avoidance of areas of high flow is a key factor determining the local distribution of Neomysis.
LanguageEnglish
Pages95-106
Number of pages12
JournalJournal of Experimental Marine Biology and Ecology
Volume242
Issue number1
DOIs
Publication statusPublished - 15 Sep 1999

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swimming behavior
tide
tides
Malacostraca
distribution
Neomysis integer
low flow
water depth
shrimp
rocks
Neomysis

Keywords

  • behaviour
  • current
  • mysids
  • Neomysis integer
  • aggregation

Cite this

Lawrie, S.M. ; Speirs, D. ; Rafaelli, D.G. ; Gurney, William ; Patterson, D.M. ; Ford, R. / The swimming behaviour and distribution of Neomysis integer in relation to tidal flow. In: Journal of Experimental Marine Biology and Ecology. 1999 ; Vol. 242, No. 1. pp. 95-106.
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The swimming behaviour and distribution of Neomysis integer in relation to tidal flow. / Lawrie, S.M.; Speirs, D.; Rafaelli, D.G. ; Gurney, William; Patterson, D.M.; Ford, R.

In: Journal of Experimental Marine Biology and Ecology, Vol. 242, No. 1, 15.09.1999, p. 95-106.

Research output: Contribution to journalArticle

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