Results 21 to 30 of about 140,256 (159)
Neotropical Ichthyology, 2019 This study provides information on the reproductive biology of the Brazilian blind electric ray Benthobatis kreffti, endemic to southern and southeastern Brazil. Individuals were caught by bottom trawl carried out in 2003 and 2007, at 492-501 m depth off
Mariana F. Martins, Otto B. F. Gadig
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The European Zoological Journal, 2021 The shovelnose guitarfish Pseudobatos productus is a major species in batoid catch on the north-western coasts of Mexico. Our goal was to describe the reproductive biology of this species, including morphometric and histological analysis of the gonads ...
D. Juaristi-Videgaray +5 more
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Shape, size, and maturity trajectories of the human ilium
American Journal of Physical Anthropology, 2014 ABSTRACTMorphological traits of the ilium have consistently been more successful for juvenile sex determination than have techniques applied to other skeletal elements, however relatively little is known about the ontogeny and maturation of size and shape dimorphism in the ilium.
Wilson, Laura AB +4 more
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BMC Zoology, 2023 This study investigated the reproductive traits of the hermaphroditic four-finger threadfin, Eleutheronema tetradactylum, along the coasts of Thailand during January to December 2021.
Kay Khine Soe +7 more
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Journal of Limnology, 2011 In a detailed field study covering three years, population dynamics, life history shifts and reproductive patterns of a population of Daphnia galeata were investigated in relation to food availability and dynamics of young of the year fish, the main ...
Stephan HÜLSMANN
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Age and size at maturity: sex, environmental variability and developmental thresholds [PDF]
Proceedings of the Royal Society of London. Series B: Biological Sciences, 2004 In most organisms, transitions between different life-history stages occur later and at smaller sizes as growth conditions deteriorate. Day and Rowe recently proposed that this pattern could be explained by the existence of developmental thresholds (minimum sizes or levels of condition below which transitions are unable to proceed).
Plaistow, S.J. +3 more
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Scientia Marina, 2012 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 ...
Marian A. Camacho-Mondragón +2 more
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Temperature-size responses during ontogeny are independent of progenitors’ thermal environments [PDF]
PeerJBackground Warming generally induces faster developmental and growth rates, resulting in smaller asymptotic sizes of adults in warmer environments (a pattern known as the temperature-size rule).
Gerard Martínez-De León +2 more
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Egyptian Journal of Aquatic Research, 2021 This study supplies knowledge on the reproductive traits of Glossogobius aureus, one of the commercial fishes living in brackish water and freshwater. A collection of 742 G. aureus specimens was caught using gill nets from January to December 2020.
Quang Minh Dinh +5 more
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Growth and Size at Maturity in the Spotted Spiny Lobster, Panulirus Guttatus [PDF]
Journal of Crustacean Biology, 2003 Abstract The spotted spiny lobster, Panulirus guttatus, is a reclusive, reef-dwelling species and appears to be restricted to coral reef habitat for its entire benthic existence. Little is known about its population dynamics, and much of the data that are available is derived primarily from trap-caught individuals and may therefore be biased.
Denice N. Robertson, Mark J. Butler
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