Larval Diets and Nutrition

Olivotto, Iacopo; Oliver, Miquel Planas; Turchi, Claudia

doi:10.1002/9781119169147.ch9

Cited by 5 publications

(2 citation statements)

References 48 publications

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“…and Artemia are two traditional live prey routinely used in brachyuran crab larval rearing (Dan, Ashidate, et al, 2016; Holme et al, 2009; Oliver et al, 2017; Ruscoe et al, 2004; Støttrup & McEvoy, 2003; Zeng & Li, 1999). However, rotifers and Artemia are both known to lack highly unsaturated fatty acids (HUFA), which are crucial to marine larval growth and development (Olivotto et al, 2017; Støttrup & McEvoy, 2003; Suprayudi et al, 2004b). As the result, enrichment has been commonly practised to improve their nutritional values (Ferreira et al, 2008; Figueiredo et al, 2009; Støttrup & McEvoy, 2003).…”

Section: Introductionmentioning

confidence: 99%

Establishing larval feeding regimens for the decorator crab Camposcia retusa : Effects of live prey types and density on larval survival and development

Zeng

2022

Aquaculture Research

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Decorator crab Camposcia retusa is a popular marine ornamental species; however, it has never been bred previously. To establish a feeding regime for C. retusa larvae, which include two zoeal and a megalopal stage, three experiments were conducted. In all experiments, ≥60% of unfed 1st zoeal (Z1) larvae survived to the next stage, combined with the orange guts observed in larvae fed Artemia, suggesting Z1 larvae are facultative lecithotrophic. Experiment 1 evaluated the suitability of ss‐type rotifer Brachionus rotundiformis as prey. Z1 larvae were fed rotifer at a density from 0 to 90 ind./ml. There was no significant difference in Z1 survival among treatments (56.7–68.3%, p > 0.05); therefore, ss‐type rotifer is considered an unsuitable prey for the larvae. Experiment 2 examined the suitability and optimal density of Artemia nauplii, and co‐feeding copepod Pavocalanus crassirostris with Artemia, for larval rearing. The larvae fed 10 Artemia/ml had the highest survival to megalopae (91.3 ± 3.1%, p < 0.05). However, high mortality occurred in megalopae, resulting in poor survival to the 1st crab stage (1.3%–12.5%) in all treatments (p > 0.05). Meanwhile, co‐feeding copepods with Artemia showed significantly inferior survival and development to megalopae when compared to that of 10 Artemia/ml treatment. Experiment 3 evaluated the effects of Artemia enrichment on larval performance. The results suggested that Artemia enrichment did not improve larval survival or development. Based on our results, Artemia nauplii fed at 10 ind./ml throughout larval development appears to be appropriate for C. retusa.

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Section: Introductionmentioning

confidence: 99%

Establishing larval feeding regimens for the decorator crab Camposcia retusa : Effects of live prey types and density on larval survival and development

Zeng

2022

Aquaculture Research

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“…Due to the predatory nature of some species, live food stimulates a better feeding response compared to inert feeds, in addition to being more easily digested and assimilated (Conceição et al, 2010). The ideal live foods are fundamentally the preys a particular species encounter in nature and these often include small crustaceans such as copepods, amphipods and decapods (Olivotto, Planas & Turchi, 2017). The production of natural food organisms is, unfortunately, laborious and expensive, at best, and unsuccessful for most species (Southgate, 2019).…”

Section: Introductionmentioning

confidence: 99%

Marine amphipods (Parhyale hawaiensis) as an alternative feed for the lined seahorse (Hippocampus erectus, Perri 1810): nutritional value and feeding trial

Vargas-Abúndez

Martínez-Moreno

Simões

et al. 2021

PeerJ

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Finding new alternatives to traditional live preys such as Artemia and rotifers, which do not always promote optimal fish growth and survival, is required for the successful aquaculture of highly specialized predatory species, including seahorses. The present study assessed the nutritional value of an interesting marine amphipod (Parhyale hawaiensis), and evaluates through a feeding trial its potential use as a natural prey for 10-months lined seahorse, Hippocampus erectus. P. hawaiensis showed high levels of valuable lipids (20.4–26.7% on dry matter basis) and polyunsaturated fatty acids (PUFAs) ( 26.4–41% of total FAs), including the long-chain PUFAs (LC-PUFAs) arachidonic acid (ARA) (2.9–7.7%), eicosapentaenoic acid (EPA) (4.3–6.5%) and docosahexaenoic acid (DHA) (2.1–6.2%). A comparison between wild-captured and cultured amphipods revealed a significant improvement of the amphipod FA profile in terms of DHA%, total omega-3 (n3) FAs and n3/n6 ratio when employing both a conventional amphipod culture based on a commercial shrimp diet, and, to a lesser extent, a large (3,500 L) biofloc system. Seahorses fed with frozen/wild amphipods, either singly or in combination with Artemia enriched with Super Selco® (INVE Aquaculture, Belgium) for 57 days, substantially improved seahorse growth and FA profiles in terms of ARA, EPA and DHA%, including indices associated to marine sources, such as Σn3 and n3/n6, compared to a diet based solely on enriched Artemia. These results support the use of marine amphipods as an alternative food organism for juvenile H. erectus and suggest a potential use for general marine aquaculture.

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Energy transfers in a predator–prey context involving D. salina (microalga), F. salina (ciliate) and A. salina (crustacean), living in salterns of Sfax (Tunisia)

Guermazi,

Athmouni,

Annabi-Trabelsi

et al. 2024

Aquat Ecol

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Larval Diets and Nutrition

Cited by 5 publications

References 48 publications

Establishing larval feeding regimens for the decorator crab Camposcia retusa : Effects of live prey types and density on larval survival and development

Establishing larval feeding regimens for the decorator crab Camposcia retusa : Effects of live prey types and density on larval survival and development

Marine amphipods (Parhyale hawaiensis) as an alternative feed for the lined seahorse (Hippocampus erectus, Perri 1810): nutritional value and feeding trial

Energy transfers in a predator–prey context involving D. salina (microalga), F. salina (ciliate) and A. salina (crustacean), living in salterns of Sfax (Tunisia)

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