Journal article

Publication year: 2021

Pages: 611-624

Journal: Aquaculture Research

Volume number: 52

Issue number: 2

ISSN: 1355-557X

eISSN: 1365-2109

Open access status: Gold

DOI Link: https://doi.org/10.1111/are.14918

Publisher: Wiley

Abstract: 
Isostichopussp. is a variety ofIsostichopus badionotus, proposed as a new species, which has been intensely fished in the Colombian Caribbean, arousing interest for its aquaculture. This study evaluated the effect of two culture densities (1-3 larvae ml(-1)), two temperatures (23 degrees C and 26 degrees C) and two microalgae diets (Isochrysis galbana,Chaetoceros calcitrans,Nannochloropsis oculata1:1:1 andI. galbana,C. calcitrans1:1) on the survival, development and growth of its larvae. Larval culture lasted 22 days until metamorphosis to doliolaria larvae, and 7 days later, the first juveniles were observed with a size of 621.8 +/- 12.7 mu m (+/- SE). The highest growth rates, survival and percentage of doliolaria larvae were obtained with 1 larva ml(-1)(29.2 mu m/day and 31.5% doliolaria larvae) and 26 degrees C (28.4 mu m/day and 10% doliolaria larvae). However, in the two diets examined, the larvae showed low growth rates (between 1.3 and 8.5 mu m/day), stagnation in development and high mortality. Our results indicate that it is feasible to culture larvae fromIsostichopussp. to juveniles, recommending the use of 1 larva ml(-1)and 26 degrees C. However, to meet the nutritional needs of the larvae the inclusion of microalgaePavlovasp. andTetraselmis chuiiin the diet is recommended. This paper reports for the first time the successful production of sea cucumber juveniles of this species in Colombia.

Harvard Citation style: Acosta, E., Rodríguez-Forero, A., Werding, B. and Kunzmann, A. (2021) Effect of density, temperature and diet on the growth, survival and development of larvae and juveniles of Isostichopus sp., Aquaculture Research, 52(2), pp. 611-624. https://doi.org/10.1111/are.14918

APA Citation style: Acosta, E., Rodríguez-Forero, A., Werding, B., & Kunzmann, A. (2021). Effect of density, temperature and diet on the growth, survival and development of larvae and juveniles of Isostichopus sp.. Aquaculture Research. 52(2), 611-624. https://doi.org/10.1111/are.14918