Seasonality and relative abundance within an elasmobranch assemblage near a major biogeographic divide. [PDF]
PLoS OneRoskar G, Morley JW, Buckel JA.
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An Epigenetic Clock for Accurate Age Prediction in Atlantic Cod Populations for Improved Fisheries Management. [PDF]
Mol Ecol ResourAnastasiadi D +5 more
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A novel fibrocartilaginous tendon from an elasmobranch fish (Rhinoptera bonasus)
Cell and Tissue Research, 2003Tendons of the jaw adductor muscles of a hard prey crushing stingray exhibit similar adaptations to compressive and shear loads as those seen in mammalian tendons. Ventral intermandibular tendon from the cownose ray, Rhinoptera bonasus, has a prominent fibrocartilaginous pad that lies between a fibrous region of the tendon and the mineralized tissue of
Adam P Summers +2 more
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Hard prey specialists or opportunistic generalists? An examination of the diet of the cownose ray, Rhinoptera bonasus [PDF]
Marine and Freshwater Research, 2007 Atlantic cownose rays (Rhinoptera bonasus) are benthic, suction feeders whose foraging activities have been implicated in severe damage to commercial shellfish industries. With jaws highly modified for durophagy, it has been assumed that R. bonasus are crushing specialists that feed primarily upon hard molluscan prey. Stomach contents from R.
Collins, A.B. +3 more
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Genetic Analysis of Populations of the Cownose Ray, Rhinoptera bonasus in the Chesapeake Bay and Florida Coast [PDF]
, 2012 In the spring and early summer, large schools of cownose rays, Rhinoptera bonasus, migrate into the Chesapeake Bay to forage, give birth to pups, and breed. Rays move throughout the meso- and polyhaline portions of the Bay, but it is not currently known if they form genetically isolated subpopulations during this time. I analyzed DNA sequence variation
McVeigh, Doreen M.
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The seasonal occurrence of cownose rays (Rhinoptera bonasus) within North Carolina’s estuarine and coastal waters was examined from aerial surveys conducted during 2004–2006. Generalized linear models were used to assess the influence of several variables (month, year, habitat type, sea surface temperature, and turbidity) on predicted counts of cownose
M. April Goodman +2 more
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Residence and movement patterns of cownose rays Rhinoptera bonasus within a south‐west Florida estuary [PDF]
Journal of Fish Biology, 2007 Between July 2003 and November 2004, 21 cownose rays Rhinoptera bonasus were tagged and tracked within Pine Island Sound estuary, Florida, using passive acoustic telemetry. Residence time of individuals ranged between 1 and 102 days.
M R Heupel, P J Motta
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Spatial Distribution and Long-term Movement Patterns of Cownose Rays Rhinoptera bonasus Within an Estuarine River [PDF]
Estuaries and Coasts, 2008 Passive acoustic telemetry was used to monitor the movements of cownose rays (Rhinoptera bonasus) within the Caloosahatchee River estuary in Southwest Florida.
Angela B Collins +2 more
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Stingray placental analogues: structure of trophonemata in Rhinoptera bonasus.
Journal of submicroscopic cytology, 1986The cownose ray, Rhinoptera bonasus, displays a non-placental form of viviparity since direct maternal-embryonic connections are lacking. Early stage embryos depend on yolk reserves for growth to 215 mm disc width; growth to term, 405 mm disc width, is effected by ingestion of uterine histotrophe.
W C, Hamlett, J P, Wourms, J W, Smith
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