A Preliminary Assessment of Microalgal Diets for Echinopluteus Larvae Culture of the Sea Urchin Sphaerechinus granularis (Lamarck, 1816) (Echinoidea: Toxopneustidae)

Article Environmental Sciences

Population Density, Reproduction Cycle and Nutritional Value of Sphaerechinus granularis (Echinodermata: Echinoidea) in an Oceanic Insular Ecosystem

Silvia Lourenco et al.

Summary: This study evaluated the population and market characteristics of S. granularis in the oligotrophic and narrow insular shelf of Madeira archipelago. The study found that S. granularis mainly inhabit shallow waters and breakwaters, with encrusting algae and erect brown macroalgae as their primary habitat. The population has a long reproductive season, high gonad quality, and nutritional value, with September to November being the preferred harvesting season.

FRONTIERS IN MARINE SCIENCE (2022)

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Article Ecology

Early developmental stages of the sea urchin Sphaerechinus granularis (Lamarck, 1816) (Echinoidea: Toxopneustidae)

Daniel Gonzalez-Suarez et al.

Summary: This study provides a detailed description of the embryonic and larval development of Sphaerechinus granularis, including light micrographs and morphological measurements. It identifies a variation in the presence of lateral spines on the post oral rods of the larvae, which differs from previous studies. The findings are important for understanding functional morphology changes within different populations of the same species.

MARINE BIOLOGY RESEARCH (2022)

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Article Fisheries

Effects of single and mixed-diatom diets on growth, condition, and survival of larvae of the sea urchin Paracentrotus lividus (Lamarck, 1816)

Ana Gomes et al.

Summary: This study evaluated the rearing success of Paracentrotus lividus larvae fed with mixed diets combining Rho with two diatoms, Phaedactylum tricornutum and Chaetoceros calcitrans. The results showed that mixed diets with the selected diatoms can lead to higher survival rates and better rearing success compared to monospecific diets.

AQUACULTURE INTERNATIONAL (2021)

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Article Agriculture, Dairy & Animal Science