Scientific Papers

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Cephaloscyllium stevensi: a new species of swellshark (Carcharhiniformes: Scyliorhinidae) from Papua New Guinea

Cephaloscyllium stevensi: a new species of swellshark (Carcharhiniformes: Scyliorhinidae) from Papua New Guinea

Published on 15. January 2011 Eugenie Clark and John E. Randall ABSTRACT: Cephaloscyllium stevensi n. sp., is described from five adult specimens (445-660 mm TL) taken in a Nautilus trap set in 240-274 m off eastern Papua New Guinea. It is distinguished from its similar congener, C. speccum Last, Séret & White, from off north-western

Reproductive biology of the scalloped hammerhead shark Sphyrna lewini (Chondrichthyes: Sphyrnidae) off south-west Mexico

Reproductive biology of the scalloped hammerhead shark Sphyrna lewini (Chondrichthyes: Sphyrnidae) off south-west Mexico

Published on 15 January 2011 Marcela Bejarano-Álvarez, Felipe Galván-Magaña and Rosa Isabel Ochoa-Báez ABSTRACT: The scalloped hammerhead shark Sphyrna lewini is the most important species in the artisanal shark fishery in the Gulf of Tehuantepec, Mexico. Knowledge about the reproductive biology of this species in the area is nonexistent, despite its being listed worldwide as

A review of the genus Platyrhina (Chondrichthys: Platyrhinidae) from the northwestern Pacific, descriptions of two new species

A review of the genus Platyrhina (Chondrichthys: Platyrhinidae) from the northwestern Pacific,  descriptions of two new species

  Published: 12. January 2011 Yukio Iwatsuki,  Kei Miyamoto, Kazuhiro Nakaya, Jie Zhang. ABSTRACT: The genus Platyrhina from the northwestern Pacific was reviewed, including a redescription and neotype proposal for Platyrhina sinensis (Bloch and Schneider 1801), and the description of two new species. Platyrhina limboonkengi Tang 1933 is relegated to the synonymy of P. sinensis,

Shark predation tooth wear in a population of northeastern Pacific killer whales

Shark predation tooth wear in a population of northeastern Pacific killer  whales

Online publication date: January 06, 2011 Ford JKB, Ellis GM, Matkin CO, Wetklo MH, Barrett-Lennard LG, Withler RE ABSTRACT: The cosmopolitan killer whale Orcinus orca feeds on a wide variety of prey types over its global range, but in at least some regions, genetically distinct and ecologically specialised lineages of killer whales coexist sympatrically. In

Electrosensory pore distribution and feeding in the megamouth shark Megachasma pelagios (Lamniformes Megachasmidae)

Electrosensory pore distribution and feeding in the megamouth shark  Megachasma pelagios (Lamniformes Megachasmidae)

Note Online publication date: January 06, 2011   Kempster RM, Collin SP ABSTRACT: The megamouth shark Megachasma pelagios is a rare, large filter-feeding shark. Little to nothing is known of its sensory biology, particularly in relation to its feeding behaviour. We describe the abundance and distribution of ampullary pores over the head and propose that

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