Copepods as Live Prey: A Review of Factors That Influence the Feeding Success of Marine Fish Larvae

Chesney, Edward

doi:10.1002/9780470277522.ch11

Cited by 30 publications

(23 citation statements)

References 75 publications

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“…This period is extremely difficult for marine larval fish culturists. A live feed with an adequate nutritional composition, particularly the highly unsaturated fatty acids (HUFAs) docosahexaenoic acid (DHA; 1 ), eicosapentaenoic acid (EPA; 20:5[n-3]), and arachidonic acid (ARA;), as reported by Sargent et al (1999aSargent et al ( , 1999b, within a suitable size range (McKinnon et al 2003;Chesney 2005) that stimulates a feeding response (Stottrup and Norsker 1997) is necessary for expanding the number of marine fish species cultured.…”

Section: Florida Pompano Larvae Fed Copepod Nauplii 115mentioning

confidence: 99%

Performance of Larval Florida Pompano Fed Nauplii of the Calanoid Copepod Pseudodiaptomus pelagicus

et al. 2011

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The Florida pompano Trachinotus carolinus is a highly prized marine fish species, the larviculture of which currently includes the feeding of live rotifers and nauplii of brine shrimp Artemia spp. However, no previous studies have evaluated the feeding of copepod nauplii. In this study, the growth and survival of Florida pompano larvae fed nauplii of the calanoid copepod Pseudodiaptomus pelagicus were compared with those of larvae fed the standard reference diet of enriched rotifers Brachionus plicatilis. Experiments were conducted during the first 7–9 d posthatch (DPH), a period preceding the provision of Artemia nauplii. Treatments included feeding only copepod nauplii during the first day, the first three days, and on all days, as well as copepod nauplii mixed with rotifers during the entire experiment. In addition, the dietary effects on larval fatty acid composition were examined. Feeding copepod nauplii at a density of 2.0–3.5 nauplii/mL during the first day or the first three days of feeding had advantages over feeding only rotifers. However, after approximately 3 DPH, increased quantities of nauplii were needed to provide sufficient nutrients for growth. This was demonstrated in larvae fed copepod nauplii for the entire trial, for which survival was significantly higher than for the other treatments but for which growth was significantly reduced. Larvae fed a mixture of rotifers and nauplii for the entire trial had survival similar to that of larvae fed only rotifers (∼40%); however, growth was greater in larvae fed the mixed diet, suggesting that there is a nutritional advantage to including copepods in the diet. Fatty acid analyses revealed that increased levels of docosahexaenoic acid were associated with larvae fed copepods, which probably contributed to the observed higher survival and growth. These results indicate that there are multiple benefits to feeding copepods to Florida pompano larvae.Received June 6, 2010; accepted August 10, 2010

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Section: Florida Pompano Larvae Fed Copepod Nauplii 115mentioning

confidence: 99%

Performance of Larval Florida Pompano Fed Nauplii of the Calanoid Copepod Pseudodiaptomus pelagicus

et al. 2011

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“…; McEvoy, Naess, Bell & Lie ). Acartia nauplii are smaller than Artemia nauplii, which allows fish larvae to ingest and digest them more effectively (Luizi, Gara, Shields & Bromage ; Chesney ). The swimming pattern of calanoid copepods is considered to strengthen the feeding behaviour of a number of fish species (Støttrup ; Mahjoub, Souissi, Michalec, Schmitt & Hwang ).…”

Section: Introductionmentioning

confidence: 99%

“…Consequently, copepods have a relatively high content of HUFAs, especially docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), which are the most important nutritional materials for the early development of fish larvae (Sargent et al 1997;McEvoy, Naess, Bell & Lie 1998). Acartia nauplii are smaller than Artemia nauplii, which allows fish larvae to ingest and digest them more effectively (Luizi, Gara, Shields & Bromage 1999;Chesney 2005). The swimming pattern of calanoid copepods is considered to strengthen the feeding behaviour of a number of fish species (Støttrup 2000;Mahjoub, Souissi, Michalec, Schmitt & Hwang 2011a).…”

Section: Introductionmentioning

confidence: 99%

Dietary effects on egg production, egg-hatching rate and female life span of the tropical calanoid copepodAcartia bilobata

Pan

Souissi

et al. 2012

Aquac Res

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Copepods are crucial source of live feeds in the aquaculture industry. In particular, several species of the genus Acartia are considered optimal prey for fish larvae. The species Acartia bilobata has excellent potential for marine larvae culture, as it is easy for mass culture. This study investigated the effects of various algal diets on the egg production and egg-hatching rate of A. bilobata. The results indicated that the single-species diet Isochrysis galbana was the most supportive diet for A. bilobata egg production and female life span in all treatments (egg production: 23.85 AE 0.70 eggs female À1 day À1 and female life span: 18.00 AE 1.45 days). Nannochloropsis oculata and Tetraselmis chui treatments gave markedly lower egg production and female life span as both singlespecies and multiple-species diets. For the egg hatching-rate experiment, except for the T. chui treatment, which yielded a considerably lower hatching rate than the other diets, the hatching rate was only slightly affected by the algal diets. These results confirm that A. bilobata, a tropical brackish-water copepod species, develops rapidly at 28°C and can produce a large number of eggs; therefore, it has considerable potential for larvae culture.

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“…In larval fish rearing, the tank wall colour can interact with ambient light to affect prey capture efficiency along with the ontogenetic development. In general, better survival and growth are normally obtained in tanks with dark walls as opposed to light‐coloured walls (Chesney ). However, the actual colour preference is largely species specific.…”

Section: Discussionmentioning

confidence: 99%

“…). The success of fish larvae to catch live prey during their first few days of life has become an important benchmark in aquaculture production and fishery recruitment for many years (Cushing & Horwood ; Chesney ). In larval fish rearing, the colour of tank walls can interact with light to interfere prey capture as most marine fish larvae are visual feeders and light plays an important role in regulating foraging behaviour of fish larvae (Monk, Puvanendran & Brown ).…”

Section: Introductionmentioning

confidence: 99%

Food ingestion, consumption and selectivity of pompano,Trachinotus ovatus(Linnaeus 1758) under different rotifer densities

Guo

Zhang

et al. 2014

Aquac Res

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The growth, survival, food selection and consumption of pompano larvae under different rotifer densities as well as their colour preference during the rotifer feeding stage were examined in this study. Growth and survival of fish larvae were not significantly affected when rotifer density was between 10 and 20 mL À1 . Fish larvae grew slower at 1 and 40 rotifers mL À1 than at 10 and 20 rotifers mL À1 , and higher fish survival was achieved when fish larvae were exposed to 10 and 20 rotifers mL À1 . The rotifer density of 1 mL À1 not only reduced food ingestion during the early stage, but also delayed diet switch from rotifer to copepod nauplii. On 5 days post hatching (DPH), larval pompano ingested more rotifers in dark-coloured tanks and ingested more rotifers when prey colour was green. Based on the results obtained in the present study, the culture of larval pompano larvae is recommended using dark wall tanks with a feeding density of 10-20 rotifers mL À1 during the initial feeding stage. This study proposes a management protocol to use appropriate type and quantity of live food to feed pompano larvae in a hatchery rearing condition, which could be applicable to the culture of fish larvae in other marine fish species.

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Copepods as Live Prey: A Review of Factors That Influence the Feeding Success of Marine Fish Larvae

Cited by 30 publications

References 75 publications

Performance of Larval Florida Pompano Fed Nauplii of the Calanoid Copepod Pseudodiaptomus pelagicus

Performance of Larval Florida Pompano Fed Nauplii of the Calanoid Copepod Pseudodiaptomus pelagicus

Dietary effects on egg production, egg-hatching rate and female life span of the tropical calanoid copepodAcartia bilobata

Food ingestion, consumption and selectivity of pompano,Trachinotus ovatus(Linnaeus 1758) under different rotifer densities

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