{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/9800"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/9800","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Life history study of red stumpnose (Chrysoblephus gibbiceps), a South African endemic seabream","abstract":"Seabreams are an important family of fishes in the southern African recreational and commercial linefisheries. This family is known for its extreme longevity, slow growth and wide variety of reproductive styles. Red stumpnose are one of the most iconic species within this family, yet biological information is lacking on this species. Six hundred and seventy-eight specimens were collected from 1986 to 2012, ranging in size from 165 to 600 mm fork length. All specimens were dissected and morphological measurements taken. Gonads, stomachs and otoliths were removed from 237 individuals and presented. Otoliths were sectioned and independently aged by three readers, age agreement was reached on 183 fish.","abstract_html":"Seabreams are an important family of fishes in the southern African recreational and commercial linefisheries. This family is known for its extreme longevity, slow growth and wide variety of reproductive styles. Red stumpnose are one of the most iconic species within this family, yet biological information is lacking on this species. Six hundred and seventy-eight specimens were collected from 1986 to 2012, ranging in size from 165 to 600 mm fork length. All specimens were dissected and morphological measurements taken. Gonads, stomachs and otoliths were removed from 237 individuals and presented. Otoliths were sectioned and independently aged by three readers, age agreement was reached on 183 fish.","abstract_has_math":false,"creators":["Van Zyl, Megan Elizabeth"],"institution":"Department of Biological Sciences","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Attwood, Colin","Kerwath, Sven"],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013","date_published":"2013","updated_at":"2026-07-22T22:23:47Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/9800","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Attwood, Colin","Kerwath, Sven"]},{"key":"dc:creator","label":"Author","values":["Van Zyl, Megan Elizabeth"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-11-28T09:52:24Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-11-28T09:52:24Z"]},{"key":"dc:date.issued","label":"Date","values":["2013"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Biological Sciences"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/9800"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliographical references."]},{"key":"dc:description.abstract","label":"Abstract","values":["Seabreams are an important family of fishes in the southern African recreational and commercial linefisheries. This family is known for its extreme longevity, slow growth and wide variety of reproductive styles. Red stumpnose are one of the most iconic species within this family, yet biological information is lacking on this species. Six hundred and seventy-eight specimens were collected from 1986 to 2012, ranging in size from 165 to 600 mm fork length. All specimens were dissected and morphological measurements taken. Gonads, stomachs and otoliths were removed from 237 individuals and presented. Otoliths were sectioned and independently aged by three readers, age agreement was reached on 183 fish."]},{"key":"dc:title","label":"Title","values":["Life history study of red stumpnose (Chrysoblephus gibbiceps), a South African endemic seabream"]}]}],"canonical_facts":{"dc:contributor.advisor":["Attwood, Colin","Kerwath, Sven"],"dc:creator":["Van Zyl, Megan Elizabeth"],"dc:date.accessioned":["2014-11-28T09:52:24Z"],"dc:date.available":["2014-11-28T09:52:24Z"],"dc:date.issued":["2013"],"dc:description":["Includes bibliographical references."],"dc:description.abstract":["Seabreams are an important family of fishes in the southern African recreational and commercial linefisheries. This family is known for its extreme longevity, slow growth and wide variety of reproductive styles. Red stumpnose are one of the most iconic species within this family, yet biological information is lacking on this species. Six hundred and seventy-eight specimens were collected from 1986 to 2012, ranging in size from 165 to 600 mm fork length. All specimens were dissected and morphological measurements taken. Gonads, stomachs and otoliths were removed from 237 individuals and presented. Otoliths were sectioned and independently aged by three readers, age agreement was reached on 183 fish."],"dc:identifier.uri":["http://hdl.handle.net/11427/9800"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Biological Sciences"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Life history study of red stumpnose (Chrysoblephus gibbiceps), a South African endemic seabream"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:23:47Z"}