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Older than expected: Teeth reveal the origin of the tiger shark
Press Release Universität Wien 24. March 2021 — — — — — — — — — With a total length of up to 5.5m, the tiger shark is one of the largest predatory sharks known today. This shark is a cosmopolitan species occurring in all oceans worldwide. It is characterized by a striped pattern on
Evolution, diversity, and disparity of the tiger shark lineage Galeocerdo
Evolution, diversity, and disparity of the tiger shark lineage Galeocerdo in deep time Julia Türtscher, Faviel A. López-Romero, Patrick L. Jambura, René Kindlimann, David J. Ward, Jürgen Kriwet ABSTRACT: Sharks have a long and rich fossil record that consists predominantly of isolated teeth due to the poorly mineralized cartilaginous skeleton. Tiger sharks (Galeocerdo), which represent
Fine‐scale oceanographic drivers of reef manta ray visitation patterns at a feeding aggregation site
Fine‐scale oceanographic drivers of reef manta ray (Mobula alfredi) visitation patterns at a feeding aggregation site Joanna L. Harris, Phil Hosegood, Edward Robinson, Clare B. Embling, Simon Hilbourne, Guy M. W. Stevens ABSTRACT: Globally, reef manta rays (Mobula alfredi) are in decline and are particularly vulnerable to exploitation and disturbance at aggregation sites. Here, passive
Notoraja hesperindica sp. nov., a new deep-sea softnose skate
Notoraja hesperindica sp. nov., a new colorful deep-sea softnose skate (Elasmobranchii, Rajiformes, Arhynchobatidae) and first generic record from the western Indian Ocean Simon Weigmann, Bernard Séret, Matthias F. W. Stehmann ABSTRACT: A new deep-sea softnose skate, Notoraja hesperindica, is described based on six specimens caught in 1230–1600 m depths off southern Mozambique and northwestern Madagascar