Coupling osteological development of the feeding apparatus with feeding performance in common snook, Centropomus undecimalis, larvae: Identifying morphological constraints to feeding

Wittenrich, Matthew L.; Rhody, Nicole R.; Turingan, Ralph G.; Main, Kevan L.

doi:10.1016/j.aquaculture.2009.06.006

Cited by 25 publications

(25 citation statements)

References 29 publications

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“…Despite recent breakthroughs in the spawning of captive common snook broodstock (Ibarra-Castro et al, 2011;Neidig et al, 2000;Rhody et al, 2013;Rhody et al, 2014;Yanes-Roca et al, 2009) and advances in larval rearing protocols (Barón-Aguilar et al, 2013;Hauville, Main, et al, 2014;Hauville, Bell, et al, 2014;Ibarra-Castro et al, 2011;Rhody et al, 2010;Wittenrich et al, 2009), to date, there is still no established large scale production of this species for food or restocking. Reproductive bottlenecks of captive snook broodstock include the failure of females to ovulate without hormonal manipulation, reduced milt production in males and inconsistent supply of high quality eggs and larvae (Rhody et al, 2013;Rhody et al, 2014).…”

Section: Accepted M Manuscriptmentioning

confidence: 99%

Comparative study of lipids and fatty acids in the liver, muscle, and eggs of wild and captive common snook broodstock

et al. 2015

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In this study, the lipid composition of wild and captive common snook broodstock were investigated to identify potential nutritional deficiencies and formulate suitable diets for captive stocks. Results showed captive snook incorporated significantly more lipid than their wild counterparts. However, cholesterol and arachidonic acid (ARA) levels were significantly lower compared to wild fish, which may impact steroid and prostaglandin production, reproductive behavior and gametogenesis. In eggs obtained from captive broodstock, high docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) levels, associated with low ARA contents were found. As a result, ARA/EPA ratio in captive eggs was less than half of that in wild eggs with the potential for negative consequences on embryo and larval development. In conclusion, large differences were noticed between wild and captive broodstock that may contribute to the reproductive dysfunctions observed in captive snook broodstock (e.g. incomplete oocyte maturation, low milt production and highly variable egg and larval quality). The wild snook survey also identified the presence of hydrocarbons in the liver, which should be further studied to identify a potential impact on the reproductive performances of a vulnerable population like common snook.

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Section: Accepted M Manuscriptmentioning

confidence: 99%

Comparative study of lipids and fatty acids in the liver, muscle, and eggs of wild and captive common snook broodstock

et al. 2015

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“…Because aquaculture of centropomid species is important throughout their range, some rearing experiments of C. parallelus and C. undecimalis have been carried out (Cerqueira 2002, Álvarez-Lajonchère et al 2004, Álvarez-Lajonchère & Tsuzuki 2009, Wittenrich et al 2009. However, information on development of early life stages for species of this family is scanty.…”

Section: Introductionmentioning

confidence: 99%

Early development of fat snook, <i>Centropomus parallelus</i> (Poey 1860) (Teleostei, Centropomidae) from Southeastern Brazil

Itagaki¹,

Katsuragawa²,

Pimentel³

et al. 2013

Zootaxa

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Early development of fat snook, Centropomus parallelus (Poey 1860), is described based on embryos and larvae obtained from rearing experiments and from specimens caught in the field, in Cananéia, southeastern Brazil, during December 1999-January 2000. Larvae of common snook, C. undecimalis, were also collected to compare the pigmentation pattern and body shape. Eggs of C. parallelus were relatively small (0.65 to 0.70 mm in diameter), spherical, and usually with a single oil globule. Notochord length (NL) of newly hatched ranged between 1.1 mm to 1.4 mm. Notochord flexion began at 3.4 mm NL and was usually completed by 4.0 mm SL. Larval and early juvenile of both species were very similar with tenuous distinction, however, some morphological and pigmentation characters were used to distinguish their early stages. The main differences were as follow: trend of lower values of the ratio of body depth to body length (BD/BL) for C. parallelus larger than 10.0 mm SL; absence of the post-temporal spine in C. undecimalis; absence of pigmentation along the dorsal midline of C. parallelus larvae by 2.6-7.0 mm; and presence of a pair of dendritic melanophores posterior to the bases of pelvic fins in C. parallelus larger than 6.0.

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“…Environmental factors such as nutritional status (Izquierdo et al 2001) and stress (Schreck et al 2001) can cause plasticity in egg properties. In the wild, the larval bluegill growth has been shown to vary with zooplankton community composition (Wittenrich et al 2009), and generally increases with declining adult density (Rettig & Mittelbach 2002), increasing zooplankton abundance (Welker et al 1994), decreasing gizzard shad (Dorosoma cepedianum) density (Oplinger et al 2013), and increasing temperature (Belk and Hales 1993). Such environmental effects may be important in determining the growth of larval bluegill in the wild but were likely obscured by the controlled conditions (i.e., similar temperature, food resources, and predation pressure) in our experimental mesocosms.…”

Section: Resultsmentioning

confidence: 99%

Egg characteristics and larval growth of bluegill from stunted and non-stunted populations

Oplinger

Wahl

2014

Journal of Freshwater Ecology

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Many bluegill (Lepomis macrochirus) populations are characterized by a stunted adult size structure and consist primarily of individuals that mature at a relatively young age and small size. Little is known about maternal effects in bluegill populations and whether they may explain the occurrence of stunted growth. We spawned bluegill from both stunted and non-stunted populations in experimental tanks and collected eggs and larvae from each clutch. We determined whether differences in egg and oil globule diameter and larval growth existed between eggs collected from females from each population. Egg and oil globule diameter were not related to female length and did not differ between stunted and non-stunted populations. Larvae length after 21 d was positively related to egg diameter but was not related to either female length or oil globule diameter. Consequently, egg diameter had a greater influence on larval growth than female source population or size. No differences were observed between source populations indicating that some aspects of early life history are more heavily influenced by egg properties than adult life history differences between parental source populations.

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Coupling osteological development of the feeding apparatus with feeding performance in common snook, Centropomus undecimalis, larvae: Identifying morphological constraints to feeding

Cited by 25 publications

References 29 publications

Comparative study of lipids and fatty acids in the liver, muscle, and eggs of wild and captive common snook broodstock

Comparative study of lipids and fatty acids in the liver, muscle, and eggs of wild and captive common snook broodstock

Early development of fat snook, <i>Centropomus parallelus</i> (Poey 1860) (Teleostei, Centropomidae) from Southeastern Brazil

Egg characteristics and larval growth of bluegill from stunted and non-stunted populations

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