Greek: leptos = thin; charis = grace, pleasing

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Presentation transcript:

Greek: leptos = thin; charis = grace, pleasing Leptochariidae Barbeled Houndshark Greek: leptos = thin; charis = grace, pleasing

Diagnostic Features Up to 82 cm TL Barbels formed from anterior nostril flaps Light grey or grey-brown Horizontally oval eyes and nictitating eyelids Two small, spineless, almost equal-sized dorsal fins First dorsal fin on the back between pectoral and pelvic fins Small spiracles

Distribution and Habitat Eastern Atlantic– Mauritania to Namibia Demersal, muddy bottoms Tropical Continental shelf -- 10-75 m Marine and brackish

Reproduction Viviparous 7 younger per litter Population doubling time: 14 years minimum Sexual dimorphism: males have enlarged anterior dentition

Food Teleosts Crustaceans Octopi Sponges

Human Interaction Some fisheries, mainly bycatch Used fresh, salted, or dried for consumption Skin for leather IUCN: Low risk/Near threatened

References Compagno, L.J.V., 1984. FAO species catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125 (4/2): 251-655. Diebakate, C and Raibaut, A. (2000). Eudactylina leptochariae n. sp (Copepoda, Eudactylinidae) a branchial parasite of Leptocharias smithii (Muller & Henle, 1839) (Pisces, Leptochariidae) off the coast of Senegal. Crustaceana 72 (2): 175-185. Picon, R. (1962). Recherches sur la differenciation sexulle de lembryon de Leptocharias smithii (Muller et Henle) elasmobranche. ARCHIVES D ANATOMIE MICROSCOPIQUE ET DE MORPHOLOGIE 52 (4): 541.