Adaptive Significance of Inter- and Intrapopulational Egg Size Variation in Ayu Plecoglossus altivelis (Osmeridae)

Iguchi, Kei’ichiro; Yamaguchi, Motoyoshi

doi:10.2307/1446684

Cited by 67 publications

(63 citation statements)

References 12 publications

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“…1). The first strategy appears to be common among ectotherms because females in colder environments tend to produce larger eggs (Perrin 1988;Iguchi and Yamaguchi 1994;Glazier 1999;Ernsting and Isaaka 2000;Tamate and Maekawa 2000;Kim and Thorpe 2001; reviewed by Atkinson et al 2001). Moreover, selection experiments involving Drosophila melanogaster have been used to link the evolution of large eggs directly to low environmental temperature (Azevedo et al 1996).…”

mentioning

confidence: 99%

CONVERGENT EVOLUTION OF EMBRYONIC GROWTH AND DEVELOPMENT IN THE EASTERN FENCE LIZARD (SCELOPORUS UNDULATUS)

Oufiero

Angilletta

2006

Evolution

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Abstract. Theory predicts that cold environments will select for strategies that enhance the growth of ectotherms, such as early emergence from nests and more efficient use of resources. We used a common garden experiment to detect parallel clines in rates of embryonic growth and development by eastern fence lizards (Sceloporus undulatus). Using realistic thermal conditions, we measured growth efficiencies and incubation periods of lizards from five populations representing two distinct clades. In both clades, embryos from cold environments (Indiana, New Jersey, and Virginia) grew more efficiently and hatched earlier than embryos from warm environments (Florida and South Carolina). Because eggs from cold environments were larger than eggs from warm environments, we experimentally miniaturized eggs from one population (Virginia) to determine whether rapid growth and development were caused by a greater maternal investment. Embryos in miniaturized eggs grew as efficiently and incubated for the same duration as embryos in unmanipulated eggs. Taken together, our results suggest countergradient variation has evolved at least twice in S. undulatus.

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confidence: 99%

CONVERGENT EVOLUTION OF EMBRYONIC GROWTH AND DEVELOPMENT IN THE EASTERN FENCE LIZARD (SCELOPORUS UNDULATUS)

Oufiero

Angilletta

2006

Evolution

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“…We found that female length had little influence on egg and oil globule diameter and that the relationship did not differ between stunted and non-stunted populations. Although numerous studies have shown a positive relationship between egg size and female length in fishes (e.g., Wilson & Millemann 1969;Beacham & Murray 1985), several other studies have shown this relationship to be either negative (e.g., Iguchi & Yamaguchi 1994) or non-significant (e.g. Marsh 1984;Mire & Millett 1994).…”

Section: Resultsmentioning

confidence: 98%

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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“…Oocyte size can be influenced by female size and origin (laboratory vs. natural conditions). In this sense, contrasting results have been found in different aquatic organisms, including positive correlations between female size or condition and egg or offspring size (sea star : George 1994, gastropods: Ito 1997, fish: Marteinsdottir and Steinarsson 1998, negative correlations (fish: Iguchi and Yamaguchi 1994), and no correlation (fish: Marsh 1984, echinoids: Lessios 1987, amphipods: Glazier 2000. Moreover, it has been demonstrated that stressed adult mussels produce smaller, lower-quality eggs and larvae (Bayne 1972).…”

Section: Discussionmentioning

confidence: 99%

Particular features of gonadal maturation and size at first maturity in <i>Atrina maura</i> (Bivalvia: Pinnidae)

Camacho-Mondragón¹,

Arellano-Martínez²,

Vázquez³

2012

Sci. Mar.

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SUMMARY: The gonadal maturation of Atrina maura was examined by means of histological analysis and quantitative criteria. Particular features not previously described for this species are reported in this study: in both males and females the undifferentiated stage is absent and there is massive gamete resorption when the seawater temperature reaches 25°C; in males, there is continuous spawning concurrent with other gonadal development stages and the adipogranular cells surrounding the acini walls decrease with testis ripeness, which suggests they play an energetic role. Atresia displayed two stages: cytoplasmic structures with oocyte degeneration and digestion by hemocytes. The oocyte diameter was larger than that reported for cultured specimens. Size at first maturity was reached at 23.3 cm in shell height (SH) (12.2 cm in shell length, SL) in females and 22.8 cm SH (12.0 cm SL) in males.

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Adaptive Significance of Inter- and Intrapopulational Egg Size Variation in Ayu Plecoglossus altivelis (Osmeridae)

Cited by 67 publications

References 12 publications

CONVERGENT EVOLUTION OF EMBRYONIC GROWTH AND DEVELOPMENT IN THE EASTERN FENCE LIZARD (SCELOPORUS UNDULATUS)

CONVERGENT EVOLUTION OF EMBRYONIC GROWTH AND DEVELOPMENT IN THE EASTERN FENCE LIZARD (SCELOPORUS UNDULATUS)

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

Particular features of gonadal maturation and size at first maturity in <i>Atrina maura</i> (Bivalvia: Pinnidae)

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