Relevant bibliographies by topics / Wobbegong shark

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Academic literature on the topic 'Wobbegong shark'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Wobbegong shark"

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Huveneers, Charlie, Nicholas M. Otway, Susan E. Gibbs, and Robert G. Harcourt. "Quantitative diet assessment of wobbegong sharks (genus Orectolobus) in New South Wales, Australia." ICES Journal of Marine Science 64, no. 6 (July 21, 2007): 1272–81. http://dx.doi.org/10.1093/icesjms/fsm111.

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Abstract Huveneers, C., Otway, N. M., Gibbs, S. E., and Harcourt, R. G. 2007. Quantitative diet assessment of wobbegong sharks (genus Orectolobus) in New South Wales, Australia. – ICES Journal of Marine Science, 64: 1272–1281. The diets of three species of wobbegong (Orectolobus ornatus, O. maculatus, and O. halei) in New South Wales, Australia, were investigated using stomach contents from specimens caught by commercial fishers. Some 80% of wobbegongs caught by commercial setline, and 60% caught by trap or scuba diving, had empty stomachs, most likely due to regurgitation. Wobbegongs were frequently hooked in the stomach (80–90% of the catch), potentially contributing to the greater proportion of empty stomachs compared with other species of shark. The diet of all three species was primarily osteichthyans, but with some cephalopods and chondrichthyans. Interspecific differences in the diets were related to total length of the shark. Octopuses were more frequent in the diet of O. ornatus (dwarf ornate wobbegong) than other wobbegong species, possibly through the smaller adult size facilitating capture of octopuses in small holes/crevices. Orectolobus halei fed more frequently on pelagic species and chondrichthyans, possibly because of their greater mobility. Wobbegongs feed at a high trophic level, and their removal from their ecosystem may impact lower trophic levels.
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Huveneers, Charlie, Terence I. Walker, Nicholas M. Otway, and Robert G. Harcourt. "Reproductive synchrony of three sympatric species of wobbegong shark (genus Orectolobus) in New South Wales, Australia: reproductive parameter estimates necessary for population modelling." Marine and Freshwater Research 58, no. 8 (2007): 765. http://dx.doi.org/10.1071/mf06187.

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Reproductive parameters of three closely-related sympatric species of wobbegong (Orectolobus ornatus, O. maculatus and O. halei) off New South Wales (NSW) were investigated to contribute to a biological basis for the management of a commercial fishery targeting wobbegongs. Estimates of the onset of maturity based on ovary condition were 729 mm, 1117 mm, and 1591 mm total length (TL) for O. ornatus, O. maculatus and O. halei respectively. The length at which 50% of the male population is mature based on clasper calcification was 803 mm, 1282 mm and 1784 mm TL for O. ornatus, O. maculatus and O. halei, respectively, and was similar to female onset of maturity based on uterus condition and to TL-at-maternity. These species of wobbegong had synchronous, triennial reproductive cycles. Follicles took 2 years to enlarge before ovulation. During the first year, follicles remained small, and then grew rapidly during the second year before ovulation during November. Gestation lasted ~10–11 months and parturition occurred during September–October. Mean litter sizes were nine (s.e. 0.5) and 21 (s.e. 1.5) for O. ornatus and O. maculatus, respectively, and increased with female total length in O. ornatus. Pregnant O. ornatus and O. maculatus were frequently caught in northern NSW and no pregnant wobbegongs, or females with large, yolky follicles were captured south of Sydney. Differences in the reproductive conditions of wobbegongs caught in northern and central NSW suggested geographically dependent reproductive behaviour. Knowledge of the reproductive parameters provided in this paper is necessary for adequate fisheries management and species conservation assessments.
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Egeberg, Channing A., Ryan M. Kempster, Susan M. Theiss, Nathan S. Hart, and Shaun P. Collin. "The distribution and abundance of electrosensory pores in two benthic sharks: a comparison of the wobbegong shark, Orectolobus maculatus, and the angel shark, Squatina australis." Marine and Freshwater Research 65, no. 11 (2014): 1003. http://dx.doi.org/10.1071/mf13213.

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Electroreception is an ancient sense found in many aquatic animals, including sharks, which may be used in the detection of prey, predators and mates. Wobbegong sharks (Orectolobidae) and angel sharks (Squatinidae) represent two distantly related families that have independently evolved a similar dorso-ventrally compressed body form to complement their benthic ambush feeding strategy. Consequently, these groups represent useful models in which to investigate the specific morphological and physiological adaptations that are driven by the adoption of a benthic lifestyle. In this study, we compared the distribution and abundance of electrosensory pores in the spotted wobbegong shark (Orectolobus maculatus) with the Australian angel shark (Squatina australis) to determine whether both species display a similar pattern of clustering of sub-dermal electroreceptors and to further understand the functional importance of electroreception in the feeding behaviour of these benthic sharks. Orectolobus maculatus has a more complex electrosensory system than S. australis, with a higher abundance of pores and an additional cluster of electroreceptors positioned in the snout (the superficial ophthalmic cluster). Interestingly, both species possess a cluster of pores (the hyoid cluster, positioned slightly posterior to the first gill slit) more commonly found in rays, but which may be present in all benthic elasmobranchs to assist in the detection of approaching predators.
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LAST, PETER R., and JUSTIN A. CHIDLOW. "Two new wobbegong sharks, Orectolobus floridus sp. nov. and O. parvimaculatus sp. nov. (Orectolobiformes: Orectolobidae), from southwestern Australia." Zootaxa 1673, no. 1 (January 4, 2008): 49. http://dx.doi.org/10.11646/zootaxa.1673.1.2.

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Two new Orectolobus species, collected from the continental shelf off southwestern Australia as bycatch of a regional shark fishery, are described and figured. Orectolobus floridus sp. nov., which has a striking colour pattern of yellowish brown bands, blotches, spots and reticulations, occurs between Geraldton and Augusta at depths of 42–85 m. Orectolobus parvimaculatus sp. nov., another small, colourful wobbegong shark, which is sympatric with O. floridus and three other congeners, has been confused with a larger, more widespread wobbegong, O. maculatus. Orectolobus parvimaculatus occurs between Green Head and Mandurah at depths of 9–108 m. The new species differ from other Orectolobus species and each other by a combination of colour, morphology, body measurements and meristics.
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LAST, PETER R., JUSTIN A. CHIDLOW, and LEONARD J. V. COMPAGNO. "A new wobbegong shark, Orectolobus hutchinsi n. sp. (Orectolobiformes: Orectolobidae) from southwestern Australia." Zootaxa 1239, no. 1 (June 21, 2006): 35. http://dx.doi.org/10.11646/zootaxa.1239.1.3.

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Orectolobus hutchinsi n. sp.. is a moderate-sized wobbegong shark found in shallow continental shelf habitats off Western Australia. It occurs from Coral Bay (near North West Cape) south to Groper Bluff (west of Bremer Bay) in depths of 9–106 m where it is caught as by-catch of local gillnet, longline, rock lobster and recreational fisheries. It is sympatric with two other commercial wobbegong species, Orectolobus maculatus and O. ornatus, but differs from these and other IndoPacific species in having the combination of a few unbranched dermal lobes, relatively tall dorsal fins, no warty tubercles on the back of adults, and dark brown corrugated saddles without white spots and blotches. Some details of its biology are also provided.
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Corrigan, Shannon, and Luciano B. Beheregaray. "A recent shark radiation: Molecular phylogeny, biogeography and speciation of wobbegong sharks (family: Orectolobidae)." Molecular Phylogenetics and Evolution 52, no. 1 (July 2009): 205–16. http://dx.doi.org/10.1016/j.ympev.2009.03.007.

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7

Ellis, Megan T., and Nicholas M. Otway. "Uterine fluid composition of the dwarf ornate wobbegong shark (Orectolobus ornatus) during gestation." Marine and Freshwater Research 62, no. 6 (2011): 576. http://dx.doi.org/10.1071/mf10138.

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Low fecundity in chondrichthyans makes them extremely susceptible to fishing, so understanding the various reproductive strategies in this group is vital for management. Knowledge of the uterine fluid (UF) composition throughout gestation is fundamental to this understanding, yet is restricted to a few species. This study focussed on the UF composition of the wobbegong (Orectolobus ornatus), which inhabits coastal waters off eastern Australia. The UF was quantified throughout pregnancy. Fluids surrounding uterine eggs had a complex composition, with mean urea (98.48 mmol L–1), sodium (560.25 mmol L–1) and potassium (13.93 mmol L–1) concentrations significantly greater than those in seawater. A change in composition, from complex to simple, occurred after 3–4 months gestation. Major electrolyte concentrations then resembled seawater for the remainder of gestation, suggesting the flushing of the uteri with seawater and evidenced by fluctuating low levels of urea. The gestation period reflected the time for metabolism of yolk stores, osmotic and ionic adjustment, development of functioning immunological systems and prevention of external yolk sac damage. Our study is the first documentation of UF composition for a wobbegong shark and increases understanding of its reproductive biology.
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Theiss, Susan M., Shaun P. Collin, and Nathan S. Hart. "The mechanosensory lateral line system in two species of wobbegong shark (Orectolobidae)." Zoomorphology 131, no. 4 (June 7, 2012): 339–48. http://dx.doi.org/10.1007/s00435-012-0161-4.

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9

Butler, SA. "Taxonomy of Some Tetraphyllidean Cestodes From Elasmobranch Fishes." Australian Journal of Zoology 35, no. 4 (1987): 343. http://dx.doi.org/10.1071/zo9870343.

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Rhinebothrium pearsoni, sp nov., is described from Banks' shovelnosed ray, Aptychotrema banksii (Muller & Henle). PhyNobothrium orectolobi, sp. nov., is described from the wobbegong, Orectolobus maculatus (Bonnaterre). Anthobothrium amuleturn, sp nov., is described from the common shovel- nosed ray, Rhinobatos armatus (Gray). Pedibothrium ottleyi, sp. nov., is described from the zebra shark, Stegostoma tigrinum (Pennant), and the genus Pedibothrium Linton, 1909, is emended. Calliobothrium creeveyae, sp. nov., is described from the school shark, Galeorhinus australis (Macleay). Polypocephalus moretonensis, sp nov., is described from the estuary stingray, Dasyatis fluviorum Ogilby. Tylocephalum carnpanulatum, sp. nov., is described from the shark ray, Rhina ancylostomus Bloch & Schneider. Also described are a species of Balanobothrium Hornell, 1912, from S. tigrinum; a species of Cathetocephalus Dailey & Overstreet, 1973, and a species of Discocephalum Linton, 1890, from the black-tip shark, Carcharhinus spallanzani (Le Sueur), and Hornellobothrium cobraformis Shipley & Hornell, 1906, from the spotted eagle-ray, Aetobatis narinari (Euphrasen).
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Buddle, Alice L., Nicholas M. Otway, James U. Van Dyke, Michael B. Thompson, Christopher R. Murphy, Samson N. Dowland, Colin A. Simpfendorfer, Megan T. Ellis, and Camilla M. Whittington. "Structural changes to the uterus of the dwarf ornate wobbegong shark ( Orectolobus ornatus ) during pregnancy." Journal of Morphology 281, no. 4-5 (February 7, 2020): 428–37. http://dx.doi.org/10.1002/jmor.21109.

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Dissertations / Theses on the topic "Wobbegong shark"

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Huveneers, Charlie. "The ecology and biology of wobbegong sharks (Genus Orectolobus) in relation to the commercial fishery in New South Wales, Australia." Thesis, Electronic version, 2007. http://hdl.handle.net/1959.14/198.

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Thesis by publication.
Thesis (PhD)--Macquarie University (Division of Environmental & Life Sciences, Graduate School of the Environment), 2007.
Bibliography: p. 267-303.
General introduction -- Redescription of two species of wobbegongs (Chondrichthyes: Orectolobidae) with elevation of Orectolobus halei Whitley 1940 to species level -- Using recreational scuba-divers to survey the relative abundance and distribution of wobbegong sharks (Family: Orectolobidae) in New South Wales, Australia -- Observations of localised movements and residence time of wobbegong sharks (Orectolobus halei) at Fish Rock, New South Wales, Australia -- Length-frequency distribution, length-length, mass-mass and mass-length relationships of wobbegong sharks (Genus Orectolobus) commercially fished in New South Wales, Australia -- Quantitative diet assessment of wobbegong sharks (Genus Orectolobus) in New South Wales, Australia -- Reproductive synchrony of three sympatric species of wobbegong shark (Genus Orectolobus) in New South Wales, Australia -- Age and growth of wobbegong sharks (Genus Orectolobus) in New South Wales, Australia.
In New South Wales, Australia, wobbegong sharks (Orectolobidae) have been commercially targetted by the Ocean Trap and Line Fishery since 1991. A catch decrease of ca. 50% in a decade lead to concern over the sustainability of the fishery and to wobbegongs being listed as vulnerable in NSW under the World Conservation Union Red List assessment. The aim of this research was to investigate wobbegong biology and ecology in relation to its fishery to provide essential data and information for sustainable management of the woggegong fishery. Biological data was obtained from 904 wobbegongs collected from commercial fishing boats, using setlines and lobset pots and by scuba diving. previously two species of wobbegongs were known to occur in NSW: the spotted wobbegong (Orectolobus maculatus) and the ornate wobbegong (O. ornatus). This study discovered a new species (O. halei) described as a subspecies by Whitley (1940), but which had been syonymised with O> ornatus due to a lack of taxonomic investigation.
Mode of access: World Wide Web.
307 p. ill., some col., maps
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Books on the topic "Wobbegong shark"

1

A-Z Sharks and Rays: From the Great White to the Wobbegong, We Cover All the Basics. New Holland Publishers Pty, Limited, 2016.

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