Artemia salina nauplii are widely used in toxicity assays of synthetic and natural products. Microassays are particularly useful because they allow testing of several products, serially diluted, in a sole microplate. Despite this, following the original method, we have observed systematically about 30% mortality in nontreated controls. Thus, we introduced several modifications that improved the...

Selective harvesting can cause evolutionary responses in populations via shifts in phenotypic characteristics, especially those affecting life history. Brine shrimp (Artemia franciscana) cysts in Great Salt Lake (GSL), Utah, USA are commercially harvested with techniques that select against floating cysts. This selective pressure could cause evolutionary changes over time. Our objectives are to...

Several types of liposomes were used to enrich Artemia nauplii in vitamin A, vitamin C and free methionine. In a first experiment, unilamellar liposomes formulated with krill phospholipid extract and retinyl palmitate demonstrated their capability to enhance the retinol content of Artemia nauplii. Furthermore, the increase in retinol was related to the amount of retinyl palmitate included in th...

Little is known about the basic biology of deep-water coral species. In this study, we experimentally assessed the rates of ingestion of Artemia salina adults and nauplii by the 4 Mediterranean cold water coral species Dendrophyllia cornigera, Desmophyllum cristagalli, Madrepora oculata, and Lophelia pertusa. All species ingested A. salina in adult and nauplii forms. L. pertusa showed the highe...

Patterns of vertical distribution in marine invertebrate larvae interact with coastal hydrodynamics to determine cross-shore distributions, dispersal ranges, and scales of connectivity among populations. We present observations on the vertical distribution of barnacle larvae from southern California, collected from 3 depth intervals every 2 h and over a 48-h period at a fixed nearshore station....

Phyllopodopsyllus iuanamai sp. nov. and Phyllopodopsylluspseudokunzi sp. nov. are described from specimens collected in the Channel of Sao Sebastiao (State of Sao Paulo, Brazil). The nauplii of P. iuanamai, P. pseudokunzi, P aegypticus Nicholls, 1944 are described, additional information is given on nauplii and morphology of the adult P. setouchiensis Kitazima, 1981, and on the nauplius of Laop...

Hans U. Dahms, Supawadee Chullasorn, Pawana Kangtia, Frank D. Ferrari, and Jiang-Shiou Hwang (2007) Naupliar development of Tigriopus japonicus Mori, 1932 (Copepoda: Harpacticidae). Zoological Studies 46(6): 746-759. Six naupliar stages of Tigriopus japonicus Mori, 1932 are described from the rocky coast off Keelung, northeastern Taiwan. A key for the identification of stages is provided. Naupl...

The present study investigates the effects of different routes of inulin administration as prebiotic on gut microbiota and survival rate of Indian white shrimp post-larvae. Four hundred and fifty Indian white shrimp post-larvae (PL1) were stocked in nine tanks. The tanks were assigned into three treatments: feeding with inulin-treated (110 mg L-1) Artemia nauplii ...