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Abstracts of AES Scientific Papers

American Elasmobranch Society 1998 Annual Meeting
Guelph, Ontario, Canada
The following list presents the papers presented during the 1998 annual meetings of the American Elasmobranch Society, held at the University of Guelph, Ontario, Canada.
Contributed Papers Session 1. Reproduction, Development, Genetics, Life History
Chair: J. C. Carrier, Albion College, Albion, MI, USA.


Amesbury, Elena; Crain, D. Andrew; Snelson, Franklin F., Jr.; Guillette, Louis J., Jr. Steroid hormones and uterine gland formation in the Atlantic stingray, Dasyatis sabina.

Wyffels, Jennifer T., Bodine, A. B., Wourms, J. P., Luer, Carl A., and Walsh, Cathy J. Ultrastructure of early oogenesis in juvenile clearnose skates, Raja eglanteria.

King, Tisha C., Thomas Koob, Charles Manire, and Julian Lombardi. Egg capsules of the viviparous matrotroph, Sphyrna tiburo, restrict the passage of molecules greater than 2 kDa.

Yano, Kazunari, Sato, Fumihiko, and Takahashi, Tomoko. Observation of the mating behavior of the manta ray, Manta birostris, at the Ogasawara Islands, Japan.

Carrier, J.C., F. Murru, R.L. Davis, M.T. Walsh, S. Dover, and H.L. Pratt Jr. Mating, Gestation, and Birth in Nurse Sharks (Ginglymostoma cirratum): The Complete Story.

Araújo, M.L. Reproductive strategy of a freshwater stingray Potamotrygon sp. from the mid-Rio Negro Basin, Amazonas, Brazil.

Shivji, M.S., M.J. Stanhope, and S.O. Rogers. Structure and evolution of shark ribosomalDNA internal transcribed spacers.

Ertan, B.A., L. Park, M.J. Stanhope, and M.S. Shivji. Characterization of blue shark (Prionace glauca) mitochondrial genome control region sequences for population genetic studies.



Contributed Papers Session 2. Physiology, Endocrinology, Immunology, Respiration
Chair:C. J. Walsh, Mote Marine Laboratory, Sarasota, FL, USA.


Forlano, P.M., Maruska, K.P., King, J.A., Sower, S.A., and Tricas, T.C. Distribution, evolution, and functional significance of gonadotropin-releasing hormone in the elasmobranch brain.

Luer, C.A., C. J. Walsh, A. B. Bodine and J. T. Wyffels. Effects of splenectomy on the immune system of the nurse shark, Ginglymostoma cirratum, assessed by changes in peripheral blood
leukocyte populations and histology of lymphomyeloid tissues.

Gelsleichter, J. and J. A. Musick. Hormonal regulation of growth in vertebral cartilage of the clearnose skate, Raja eglanteria.

Ferry-Graham, L.A. Mechanics of ventilation in the swellshark, Cephaloscyllium ventriosum
(Scyliorhinidae).

Meehan, S.R., A.P. Summers, and T.J. Koob. Ontogenetic changes in energetics and active and passive ventilation of   the swell shark (Cephaloscyllium ventriosum) egg capsule.


Contributed Papers Session 3. Parasitology, Morphology, and Ultrastructure
Chair:J. N. Caira, University of Connecticut, Storrs, CT, USA.


Borucinska, J. D., Whiteley, H. E., Trettel, J., Jr., and Benz, G. W. Corneal pathology associated with the attachment of Ommatokoita elongata (Copepoda: Lernaepodidae) (Grant) to the cornea of Greenland sharks (Somniosus microcephalus).

Jensen, K. and Caira, J. N. The identity of the spotted eagle ray, Aetobatus narinari - a parasitological perspective.

Healy, Claire J. and Caira, J. N. Identifying cryptic carcharhiniform shark species: tapeworms as
diagnostic tools.

Wetherbee, Bradley, M. Buoyancy in deep-sea sharks from the Chatham Rise, New Zealand.

Robinson, Michael P. Kinematics of shark pectoral fin movements and their implications for lift-
production.

Sterk, J.C. Preliminary analysis of factors influencing swimming speed of the subadult lemon shark (Negaprion brevirostris) at Bimini lagoon, Bahamas

Bourdon, J. Odontological variations in the dentition of the manta ray (Manta birostris)

Bruner, John Clay. Tooth replacement rate of the Great White Shark, (Carcharodon carcharias)
(Linnaeus, 1758).

Summers, A.P. Trabecular prismatic cartilage: a novel solution to strengthening the jaws
of a cartilaginous fish .


Contributed Papers Session 4. Demographics, Life History, and Management
Chair:H.L. Pratt, NOAA/NMFS, Narragansett, RI, USA


Piercy, A., J. Gelsleichter, and J.A. Musick. Age and growth of the spiny butterfly ray, Gymnura altavela

Liu, Kwang-Ming and Chen, Che-Tsung. A preliminary demographic analysis of the bigeye thresher shark, Alopias superciliosus

Brewster-Giesz, Karyl K. and Miller, Thomas J. A comparison of a stage-based model and a yield per recruit model of the sandbar shark (Carcharhinus plumbeus).

Thom, Tim J., O'Connell, Mark J., Lucas, Martyn C.; Joplin, Lynn and Downie, Alexander. Local occurrence of basking sharks (Cetorhinus maximus Gunnerus) in relation to spatio-temporal patterns of zooplankton abundance.

Merson, Rebeka Rand, Pratt, Harold L. Jr. Length-at-birth of the sandbar shark, Carcharhinus plumbeus, in Delaware Bay.

Bonfil, Ramon. History and management of the dogfish fishery of British Columbia, Canada

Yaptinchay, Arnel Andrew S.P.; Uy, Roel; and Alava, Moonyeen Nida R. Catch and Effort Data of Whale Sharks in the Philippines.

de Silva, J.A., R.E. Condrey and B.A. Thompson. Sharks associated with the gulf menhaden Brevoortia patronus fishery and their relevance to shark populations of the Atlantic and Gulf of Mexico.


Contributed Papers Session 5. Management and Movement
Chair:H.L. Pratt, NOAA/NMFS, Narragansett, RI, USA


Silva, A.A., G. Menezes and J. J. Pereira. A first glance at pelagic shark catches in the Azores

Neer, Julie A. and Cailliet, Gregor M. Aspects of the life history of the Pacific electric ray, Torpedo californica (Ayres), in central and southern California.

Schulze, Margo B., Brewster-Geisz, Karyl, and Lent, Rebecca. Atlantic shark management update: developing a combined fishery management plan for Atlantic sharks, tunas, and swordfish.

Gruber, S.H. and S.M. Clermont. Experimental Homing in Juvenile Lemon Sharks, Negaprion brevirostris, at Bimini, Bahamas.

Childs, J.N. Seasonal Habitat Use of the Flower Garden Banks National Marine Sanctuary by Pelagic Elasmobranchs.

Stevens, J. Archival tagging of school sharks in southern Australia.

Kajiura, S.M. Electroreception in neonatal bonnethead sharks, Sphyrna tiburo.


AES Symposium: The Behavior and Sensory Biology of Sharks and Rays: State of the
Art and Future Direction. A Symposium in Honor of Donald R. Nelson.


Part I.Chair: T. C. Tricas

Tricas, T.C. Welcome and Introduction

Gruber, S.H. and T. C. Tricas. Don Nelson and the study of shark behavior.

Myrberg, Jr., A. Hearing in elasmobranchs: A review

Gruber, S.H. and R. E. Hueter. Sensory biology of vision in the elasmobranchs

Maruska, K.P. The elasmobranch mechanosensory lateral line system: Form and function?

Bodznick, D. Electroreception: Mechanisms for detecting weak signals in noise.

Sisneros, J.A. What is the current status of shark repellents?

New, J.G. Comparative anatomy of the elasmobranch cerebellum: Theme and variations of a sensorimotor interface.



AES Symposium: The Behavior and Sensory Biology of Sharks and Rays: State of the
Art and Future Direction. A Symposium in Honor of Donald R. Nelson.


Part II.Chair: S. H. Gruber

Tricas, T.C. Neuroecology of elasmobranch fishes: Relating the brain to the real world.

Klimley, A.P. and B. J. Le Boeuf. Elasmobranch movement patterns: Simultaneous tracking of five white sharks with radio-acoustic positioning system at Año Nuevo Island.

Montgomery, J.C. and M.M. Walker. Orientation and navigation in elasmobranchs: Which way forward?

Strong, W.R. Elasmobranch behavioral ecology: Oxymoron or opportunity?

Pratt Jr, H.L. and J. C. Carrier. The reproductive behavior of elasmobranchs.

Kohler, N.E. and P. A. Turner. Conventional tagging methods as applied to sharks: Past, present, and future.

Voegeli, F. Ultrasonic telemetry, tracking and automated monitoring technology.

Lowe, C.G. and K. J. Goldman. Physiological telemetry of elasmobranchs: Taking the laboratory to the field.

Eckert, S.A. and B. S. Stewart. Telemetry, and the satellite tracking of the whale shark, Rhincodon typus in the Sea of Cortez, Mexico.



Symposium on the Feeding Biology of Elasmobranch Fishes
Part I. Invited Papers Chair: E. Cortés


Montgomery, J. C. and C. Thornburn. Sensory mechanisms underpinning feeding behavior in elasmobranchs.

Sims, D. W. and V. A. Quayle. Selective foraging behavior of basking sharks on zooplankton in tidal fronts.

Wilga, C. D., P. C. Wainwright, and P. J. Motta. Evolutionary innovations in the feeding mechanism of elasmobranchs.

Motta, P. J. Suction feeding in sharks: a kinematic analysis of feeding in the nurse shark, Ginglymostoma cirratum.

Ferry-Graham, L. A. Mechanics and modulation of prey capture in generalist vs. specialist
predators: a kinematic comparison using two carcharhiniform sharks.

Smale, M. J. A review of South African feeding studies of elasmobranch fishes: perspectives and future directions.

Ebert, D. A. Dietary changes associated with life history stage and sex for the sevengill shark: implications for intraspecific competition and resource partitioning.

Ellis, J. R. Feeding ecology of elasmobranch fishes from the British Isles.



Part II. Invited Papers
Chair: P.J. Motta


Caira, J. N. Tapeworms as indicators of elasmobranch feeding biology.

Cortés, E. Standardized diet compositions and trophic levels of sharks.

Wetherbee, B. M. Review of rate of consumption, food transit and digestive efficiency in sharks.

Saunders, M. W. and G. A. McFarlane. Feeding habits of the spiny dogfish (Squalus acanthias) in the N.E. Pacific.

Mollet, H. F. Captive feeding biology of elasmobranchs.

Lowe, C. G. Using bioenergetics models to estimate food consumption in   elasmobranchs


Part III. Contributed Papers:
Chair:P.J. Motta


Carlson, J. K. and G. R. Parsons. Estimates of daily ration and a bioenergetic model for the blacknose shark, Carcharhinus acronotus.

Edmonds, M. A. and P. J. Motta. Modulation of the feeding behavior of the horn shark, Heterodontus francisci.

Robinson, M. P. and P. J. Motta. The effects of scale on the feeding kinematics of the nurse shark,
Ginglymostoma cirratum.

Musick, J. A. and J. Gelsleichter. Food habits of the smooth dogfish (Mustelus canis), dusky shark
(Carcharhinus obscurus), Atlantic sharpnose shark (Rhizoprionodon terraenovae), and the sand tiger (Carcharhias taurus) from the northwest Atlantic Ocean.


Contributed Papers Session 3. Parasitology, Morphology, and Ultrastructure
Chair: J. N. Caira, University of Connecticut, Storrs, CT, USA.


Borucinska, J. D., Whiteley, H. E., Trettel, J., Jr., and Benz, G. W. Corneal pathology associated with the attachment of Ommatokoita elongata (Copepoda: Lernaepodidae) (Grant) to the cornea of Greenland sharks (Somniosus microcephalus).

Jensen, K. and Caira, J. N. The identity of the spotted eagle ray, Aetobatus narinari - a parasitological perspective.

Healy, Claire J. and Caira, J. N. Identifying cryptic carcharhiniform shark species: tapeworms as
diagnostic tools.

Wetherbee, Bradley, M. Buoyancy in deep-sea sharks from the Chatham Rise, New Zealand

Robinson, Michael P.Kinematics of shark pectoral fin movements and their implications for lift-
production.

Sterk, J.C. and S.H. Gruber. Preliminary analysis of factors influencing swimming speed of the subadult lemon shark (Negaprion brevirostris) at Bimini lagoon, Bahamas.

Bourdon, J. Odontological variations in the dentition of the manta ray (Manta birostris).

Bruner, John Clay. Tooth replacement rate of the Great White Shark, Carcharodon carcharias
(Linnaeus, 1758).

Summers, A.P. Trabecular prismatic cartilage: a novel solution to strengthening the jaws
of a cartilaginous fish.



Contributed Papers Session 4. Demographics, Life History, and Management
Chair: H.L. Pratt, NOAA/NMFS, Narragansett, RI, USA


Piercy,A., J. Gelsleichter, and J.A. Musick. Age and growth of the spiny butterfly ray, Gymnura altavela.

Liu, Kwang-Ming and Chen, Che-Tsung. A preliminary demographic analysis of the bigeye thresher shark, Alopias superciliosus.

Brewster-Giesz, Karyl K. and Miller, Thomas J. A comparison of a stage-based model and a yield per recruit model of the sandbar shark (Carcharhinus plumbeus).

Thom, Tim J., O'Connell, Mark J., Lucas, Martyn C.; Joplin, Lynn and Downie, Alexander. Local occurrence of basking sharks (Cetorhinus maximus Gunnerus) in relation to spatio-temporal patterns of zooplankton abundance.

Merson, Rebeka Rand, Pratt, Harold L. Jr. Length-at-birth of the sandbar shark, Carcharhinus plumbeus, in Delaware Bay.

Bonfil, Ramon. History and management of the dogfish fishery of British Columbia, Canada.

Yaptinchay, Arnel Andrew S.P.; UY, Roel; and Alava, Moonyeen Nida R. Catch and Effort Data of Whale Sharks in the Philippines.

de Silva, J.A., R.E. Condrey and B.A. Thompson. Sharks associated with the gulf menhaden Brevoortia patronus fishery and their relevance to shark populations of the Atlantic and Gulf of Mexico.



Contributed Papers Session 5. Management and Movement
Chair: H.L. Pratt, NOAA/NMFS, Narragansett, RI, USA


Silva, A.A., G. Menezes and J. J. Pereira. A first glance at pelagic shark catches in the Azores

Neer, Julie A. and Cailliet, Gregor M. Aspects of the life history of the Pacific electric ray, Torpedo californica (Ayres), in central and southern California.

Schulze, Margo B., Brewster-Geisz, Karyl, and Lent, Rebecca. Atlantic shark management update: developing a combined fishery management plan for Atlantic sharks, tunas, and swordfish.

Clermont, S.M. and S.H. Gruber. Experimental Homing in Juvenile Lemon Sharks, Negaprion
brevirostris
, at Bimini, Bahamas.

Childs, J.N. Seasonal Habitat Use of the Flower Garden Banks National Marine   Sanctuary by Pelagic Elasmobranchs.

Stevens, J. Archival tagging of school sharks in southern Australia.

Kajiura, S.M. Electroreception in neonatal bonnethead sharks, Sphyrna tiburo.