Crustacean Larvae
Crustacean Larvae - Related Videos
14:40
Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana
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Cited by 34 •
2012
This study concerns the development and standardization of a valuable methodological protocol to determine long-term (14 days) lethal toxicity exerted by chemical substances, industrial wastewater or sewage and liquid environmental samples on the saltwater crustacean, Artemia franciscana.
10:55
Ablation of a Single Cell From Eight-cell Embryos of the Amphipod Crustacean Parhyale hawaiensis
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Cited by 4 •
2014
The amphipod Parhyale hawaiensis is a promising model organism for studies of crustacean embryology and comparative arthropod development and evolution. This protocol describes a method for manual removal of single blastomeres from early cleavage stage embryos of Parhyale.
10:53
Microgavage of Zebrafish Larvae
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Cited by 91 •
2013
We present a novel method for microgavage of larval zebrafish utilizing standard embryo microinjection and stereomicroscopy equipment. We demonstrate that microgavage is a safe and efficient technique useful for delivering controlled amounts of diverse materials specifically into the larval zebrafish intestinal lumen.
06:52
Novel Assay for Cold Nociception in Drosophila Larvae
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Cited by 6 •
2017
Here we demonstrate a novel assay to study cold nociception in Drosophila larvae. This assay utilizes a custom-built Peltier probe capable of applying a focal noxious cold stimulus and results in quantifiable cold-specific behaviors. This technique will allow further cellular and molecular dissection of cold nociception.
02:29
Establishing Bacterial Infection in Drosophila Larvae
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2026
Source: Hiroyasu, A., D et. al., Extraction of Hemocytes from Drosophila melanogaster Larvae for Microbial Infection and Analysis. J. Vis. Exp. (2018)This video demonstrates the procedure for establishing a bacterial infection in Drosophila larvae by placing them into a bacterial droplet and pricking them with a tungsten needle. The larvae are then incubated on a grooved, nutrient-rich agar plate to study host-pathogen interactions.
FAQs
Each larval stage is associated with changes in body structure, feeding behavior, and swimming ability. Molting allows the developing animal to move between forms as its exoskeleton is replaced. Tracking these transitions helps researchers evaluate growth and identify how developmental progress may influence survival, movement, and eventual recruitment within aquatic populations.
These forms reflect changing biological capabilities during development. As larvae progress through stages, their body structures, feeding behaviors, and swimming abilities change, altering how they obtain food and move through the water. Comparing stages therefore helps explain differences in survival and dispersal among crustaceans such as crabs, shrimp, lobsters, and copepods.
Temperature, salinity, food availability, and water quality are key conditions affecting larval development. Changes in these factors can influence growth, survival, and the timing or success of stage transitions. Examining them together gives a more useful picture of larval performance than considering developmental stages without their surrounding aquatic environment.
Researchers can follow the sequence of larval stages while recording changes in growth, survival, body structure, feeding behavior, and swimming ability. They can relate these observations to temperature, salinity, food availability, and water quality. This approach connects visible developmental outcomes with environmental conditions and helps identify factors associated with successful recruitment.
Larval growth and survival affect how many individuals reach later life stages, making these organisms relevant to population dynamics and recruitment. In aquaculture, understanding developmental needs can support the rearing of crabs, shrimp, lobsters, or related species. Fisheries management also benefits from knowledge of conditions that influence early survival and population replenishment.
Larval swimming ability and development influence how individuals disperse through aquatic ecosystems before recruitment. Monitoring their responses to temperature, salinity, food availability, and water quality can reveal how environmental change affects survival and population dynamics. These observations connect early development with broader patterns in marine ecology and the persistence of aquatic populations.