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Feeding early larval stages of fire shrimp Lysmata debelius (Caridea, Hippolytidae)
Simoes, F.; Ribeiro, F.; Jones, D.A. (2002). Feeding early larval stages of fire shrimp Lysmata debelius (Caridea, Hippolytidae). Aquacult. Int. 10(5): 349-360.
In: Aquaculture International. Springer: London. ISSN 0967-6120, more
Peer reviewed article  

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    Algae; Larvae; Marine crustaceans; Artemia Leach, 1819 [WoRMS]; Caridea [WoRMS]; Hippolytidae Spence Bate, 1888 [WoRMS]; Lysmata debelius Bruce, 1983 [WoRMS]; Marine

Authors  Top 
  • Simoes, F., correspondent
  • Ribeiro, F.
  • Jones, D.A.

    An important constraint to the commercial rearing of the marine ornamental shrimp Lysmata debelius is high larval mortality during early stages due to inappropriate procedures of larval collection and not feeding a live prey before one day elapsed after hatching. This incorrect feeding practice is commonly adopted in larval rearing of L. debelius and other ornamental marine shrimps because it is wrongly assumed that reserves of the newly hatched are enough for the first 24 h of life. Present work demonstrates that captive newly hatched L. debelius larvae ingest microalgae within minutes after hatching. When fed solely with Artemia nauplii, they have acceptable survival rates with stocking densities at or below 50 larval L-1; but when nauplii are combined with microalgae, survival is further improved to zoea 2 as initial mortality is reduced, and higher stocking densities are supported (up to 75 larvae L-1). The microalgae used were Rhinomonas reticulata, Skeletonema costata and Tetraselmis chuii. Higher survival through metamorphosis to zoea 2 was always observed for groups fed combinations of microalgae including Tetraselmis chuii. It is recommended that, larval collection methods ensure that larvae are fed microalgae within 2-3 h of release.

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