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An improved separator box for Artemia nauplii and other phototactic invertebrates
Persoone, G.; Sorgeloos, P. (1972). An improved separator box for Artemia nauplii and other phototactic invertebrates. Helgol. Wiss. Meeresunters. 23: 243-247
In: Helgoländer Wissenschaftliche Meeresuntersuchungen. Biologische Anstalt Helgoland: Hamburg. ISSN 0017-9957, more
Peer reviewed article  
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Keywords
    Behaviour > Orientation behaviour > Taxis > Phototaxis
    Developmental stages > Larvae > Invertebrate larvae > Crustacean larvae > Nauplii
    Equipment > Instruments
    Hatching
    Artemia Leach, 1819 [WoRMS]
    Marine/Coastal; Brackish water
Authors  Top 
  • Persoone, G., more
  • Sorgeloos, P., more
Abstract
    1. A simple cylindrical hatching and separator box is described for Artemia salinanauplii (and other phototactic invertebrates), in which the "corner seeking effect" responsible for poor separation is avoided, and from which nauplii can be recovered very conveniently. 2. Separation is achieved by partly unscrewing an internal and closed cylinder from its fixed counter-part glued to the bottom of the box, till two slits are freed through which the nauplii migrate from the darkened internal hatching cylinder into the illuminated exterior compartment. Rescrewing the former cylinder separates the larvae from debris and unhatched eggs.
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