Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Bony fishes"”.
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Regional Extinction Risk and Conservation Priorities for Persian Gulf Marine Bony Fishes
… regional extinction risk for all known marine bony fishes of the Persian Gulf. About 8.3% of the 471 marine bony fishes assessed are at elevated risk of regional extinction. The distribution of threatened species is primarily linked to coastal areas with high human activity and environmental …
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Global Conservation Status of Croaker and Drum (Family: Sciaenidae) and Role of the Maw Trade
… conserving marine biodiversity. Although marine bony fishes are some of the most diverse and abundant vertebrates in the world, overexploitation is the major threat to these taxa. Species in the family Sciaenidae are important marine resources in many parts of the world, supporting small- and …
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The Evolution of Reproductive Complexity in Fishes
… both macro- and microevolutionary lenses. I use fishes, the most diverse group of vertebrates, comprising over 30,000 species, as a model to study the evolution of these traits.</p> <p>In Chapter 1, I introduce the evolution of parental behaviors in fishes. I present a systematic review of …
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The diet, reproductive biology age and growth of yellowtail, Seriola lalandi, in South Africa
… covered 18 species belonging to five classes: bony fishes, crustaceans, cephalopods, polychaetes and bivalves. Small pelagic fish were the dominant prey type, followed by crustaceans. The remaining taxa were of negligible importance. Some dietary differences were observed between sample areas. …
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Hotspots, Extinction Risk and Conservation Priorities of Greater Caribbean and Gulf of Mexico Marine Bony Shorefishes
… tasked with managing threats to the 1,360 marine bony shorefishes of the Caribbean and Gulf of Mexico would benefit from a delineation of conservation priorities. However, prior to this study, conservation status was known for only one quarter of these shorefishes. Extinction risk assessment under …