AFSC/RACE/SAP/Long: Data from: A novel quantitative model of multiple discrete stage transitions applied to crustacean larval development

This data set describes the holding temperatures and developmental stages of larvae of red and blue king crab (Paralithodes camtschaticus and P. platypus) reared to the first crab stage at the Kodiak Laboratory.

The crabs were reared in order to provide specimens for research on juvenile red and blue king crab biology and ecology. The data was collected to help refine culturing techniques.

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Long, W. C. 2016. A novel quantitative model of multiple discrete stage transitions applied to crustacean larval development. Fishery Bulletin, 114.

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One day of blue king crab stage data was obmitted because of a sampling error in which the sampler may have accidentally taken the larvae from the red king crab tank. Other than that the data is complete.

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Larvae were collected at hatching and larvae of red and blue king crabs were pooled and each stocked in a separate 2000-L tank. Larval red king crab were stocked at 50 larvae/L, the amount collected in a single day from 8 females that were hatching at the time. Because only 6 female blue king crab produced larvae simultaneously, larvae of blue king crab were collected over 3 days and were stocked at 30 larvae/L. Because of differences in thermal tolerances (Stoner et al., 2013), the red king crab were reared at 8.8°C (standard deviation [SD] 1.0), and the blue king crab were reared at 6.5°C (SD 0.6). Temperatures in each tank were monitored continuously with a HOBO TidbiT v2 temperature logger (Onset Computer Corporation, Bourne) While the larvae were in the zoeal stages, they were fed a diet of DC DHA Selco (INVE Aquaculture, Salt Lake City) enriched Artemia nauplii. The glaucothoe stage is nonfeeding; therefore, no food was provided. Each day, from stocking to the point when all of the larvae had molted to the first crab stage, 10 larvae from each species were removed, the stage of each was determined, and the mean stage of the 10 larvae was calculated.