Larval behaviour of macrobrachium novaehollandiae (De Man) (Decapoda, Palaemonidae)

Thorne M.J., Fielder D.R. and Greenwood J.G. (1979) Larval behaviour of macrobrachium novaehollandiae (De Man) (Decapoda, Palaemonidae). Marine and Freshwater Research, 30 1: 11-23. doi:10.1071/MF9790011


Author Thorne M.J.
Fielder D.R.
Greenwood J.G.
Title Larval behaviour of macrobrachium novaehollandiae (De Man) (Decapoda, Palaemonidae)
Journal name Marine and Freshwater Research   Check publisher's open access policy
ISSN 1323-1650
Publication date 1979-01-01
Sub-type Article (original research)
DOI 10.1071/MF9790011
Volume 30
Issue 1
Start page 11
End page 23
Total pages 13
Subject 1104 Complementary and Alternative Medicine
1105 Dentistry
2303 Ecology
1910 Oceanography
Abstract Larvae of the estuarine prawn M. novaehollandiae tested in the laboratory using point sources and gradients of light are strongly photopositive (tropotactic) during the first 2 of their 12 larval stages. Despite this response few larvae swim near the water surface for long periods of time while illuminated from above, and more larvae swim during darkness than in light. Stage X larvae and subsequent stages are photonegative but stages 111-IX may be either photopositive or photonegative. Most larvae of all stages rest on the bottom for long periods, a mechanism which can prevent large-scale seawards movement down an estuary. Other biotic factors such as salinity, pressure and temperature have no marked influence on orientation and movement of the larvae.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 28 Jun 2016, 14:06:05 EST by System User