Spiny dogfish
Escape manoeuvres in the spiny dogfish (Squalus acanthias)
... expected dogfish to exhibit relatively tight turns, because of their relatively high flexibility (Aleev, 1977), and relatively low locomotor performance during fast-start, due to their relatively low body depth ...
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Hydrodynamic function of dorsal fins in spiny dogfish and bamboo sharks during steady swimming
... and spiny dogfish suggest that differences may exist in the hydrodynamic function of dorsal fins between these two species, and that further functional differentiation may occur between the anterior and ...
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Potential Health Risks of Heavy Metals to the Turkish and Greek Populations Via Consumption of Spiny Dogfish and Thornback Ray from the Sea of Marmara
... the spiny dogfish (Squalusacanthias) being the mostly consumed species and the European Union representing the main market of spiny dogfish, consuming about 65% of the global catch in 2001 ...
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An unusual habitat for a common shark : life history, ecology and demographics of the spiny dogfish (Squalus acanthias) in Macquarie Harbour, Tasmania
... The spiny dogfish, Squalus acanthias, is a small demersal elasmobranch with an anti-tropical, circumglobal distribution (Fordham et al., 2006). The basic biology of the species has been extensively explored ...
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A Changing Gulf of Maine: Investigating the Role of Benthic Water Temperature in Determining the Timing of Spiny Dogfish (Squalus acanthias) Arrival and Departure in the Gulf of Maine
... involves dogfish and water temperature monitoring from two years; thus providing the equivalent of two data ...of dogfish and benthic water temperature, it may become clear that one (or both) of these ...
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Distribution of Carbonic Anhydrase in the Uterus of Late Term Pregnant Spiny Dogfish (Squalus Acanthias)
... DISTRIBUTION OF CARBONIC ANHYDRASE IN THE UTERUS OF LATE-TERM PREGNANT SPINY DOGFISH SQUALUS ACANTHIAS BY CASSANDRA FLtfGEL AND ELKE LtJTJEN-DRECOLL Department of Anatomy, University of [r] ...
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Conservation and variation in the feeding mechanism of the spiny dogfish squalus acanthias
... the spiny dogfish, as well as in other shark species, have a common pattern of kinematic and motor activity but are distinguishable by their duration and relative ...the spiny dogfish allows ...
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Exploring the Recent Abundance of Spiny Dogfish in the Gulf of Maine, Benjamin Gallo
... male dogfish by mid- to late ...of spiny dogfish and potential breeding and birthing waters in the Gulf of ...managing spiny dogfish to ensure a sustainable fishery for years to ...
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Vasoactive intestinal peptide, forskolin, and genistein increase apical CFTR trafficking in the rectal gland of the spiny dogfish, Squalus acanthias Acute regulation of CFTR trafficking in an intact epithelium
... epithelial organ, the rectal gland of the spiny dogfish shark, Squalus acanthias. The rectal gland is composed of secretory tubules of a single cell type that are highly specialized for acute, ...
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Ammonia and urea metabolism in relation to gill function and acid base balance in a marine elasmobranch, the spiny dogfish (Squalus acanthias)
... the spiny dogfish Squalus acanthias possess a full hepatic complement of the enzymes for both the ornithine–urea cycle (OUC) and uricolysis (reviewed by Wood, ...
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Reproductive Biology of Spiny Dogfish Squalus acanthias, in the North Aegean Sea
... the spiny dogfish in the Saros Bay, the North Aegean Sea, nor for the parturition-fertilization ...of spiny dogfish was not clearly delineated from the northern ...that spiny ...
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Physiological and molecular responses of the spiny dogfish shark (Squalus acanthias) to high environmental ammonia: scavenging for nitrogen
... Pacific spiny dogfish ...Pacific dogfish may be a separate species (Squalus suckleyi) rather than a subspecies of Squalus ...the dogfish were fed every 3–4 days with a 3% ration of dead hake ...
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Using omeprazole to link the components of the post prandial alkaline tide in the spiny dogfish, Squalus acanthias
... Dogfish sharks (Squalus acanthias Linnaeus, 1.3–2.9 kg, N = 60) of both sexes were collected by trawl or angling in Barkley Sound, British Columbia, Canada in June and July 2007. Animals were cared for in accord ...
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Short Communication: Nitrogen Budget in Developing Embryos of the Spiny Dogfish Squalus Acanthias
... Ammonia, urea and total nitrogen excretion at two stages of development of embryos of the dogfish Squalus acanthias Ammonia ' Early-term 10 Late-term 15... determinations represent the n[r] ...
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Branchial CO(2) receptors and cardiorespiratory adjustments during hypercarbia in Pacific spiny dogfish (Squalus acanthias)
... Given this, the present study tests the hypothesis that the cardiorespiratory responses to hypercarbia in dogfish are triggered by branchial chemoreceptors. This was achieved by comparing physiological responses ...
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Allosteric interactions governing oxygen equilibria in the haemoglobin system of the spiny dogfish, Squalus acanthias
... O2 affinity and its dependence on protons, organic phosphates, urea and temperature The stripped Hb showed a high O2 affinity, a weak Bohr effect at 10°C and pH 7-85, 7*50 = 2-3 and 0 = [r] ...
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Time course of the establishment of uterine seawater conditions in late term pregnant spiny dogfish (Squalus acanthias)
... These data certainly indicate that the uterine conditions we observed in freshcaught, late-term pregnant females, that is low pH, low CO 2 content and high ammonia concentration Kormanik[r] ...
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Microtubule dependent relocation of branchial V H+ ATPase to the basolateral membrane in the Pacific spiny dogfish (Squalus acanthias): a role in base secretion
... Pendrin, respectively. The involvement of CA in branchial base secretion has been documented as early as 1955 (Hodler et al., 1955) and was confirmed by later studies (e.g. Swenson and Maren, 1987). Furthermore, CA ...
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Regulation of branchial V H+ ATPase, Na+/K+ ATPase and NHE2 in response to acid and base infusions in the Pacific spiny dogfish (Squalus acanthias)
... It is generally accepted that the primary gill acid-secretory mechanism in marine fish involves apical Na + /H + exchange through specialized gill cells. This hypothesis is based on the inward directed Na + gradient that ...
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Cardiorespiratory interactions in the Pacific spiny dogfish, Squalus suckleyi
... to the anus. The cannula was sutured in place three times on the lower midline, and on the back of the dogfish. This allowed us to record blood pressure and to perform intra-arterial injections. Another cannula ...
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