345.

Ryukyu Tube-nosed Bat

Murina ryukyuana

French: Murine des Ryukyu / German: Ryukyu-Réhrennase / Spanish: Ratonero narizudo de Ryukyu

Taxonomy. Murina ruykyuana Maeda & Matsumura, 1998,

upper stream of Funga River, Aha, Kunigami-mura, Okinawajima, Japan.

This species is monotypic.

Distribution. Amami-Oshima and Okinawajima in the Ryukyu Is, Japan.

Descriptive notes. Head-body 44-47 mm, tail 34-45 mm, ear 18- 5 mm, hindfoot 10- 5-11 mm, forearm 32-3-38- 1 mm; weight 7-5-10- 6 g. Pelage is silky and straight; dorsally medium brown (hairs dark brown for basal half, with pale brown distal half and dark tip; longer guard hairs are similarly colored); ventrally slightly paler (hairs similar to dorsum). Dorsal pelage extends densely on to wings, uropatagium, thumbs, and feet. Faceis sparsely haired except long protuberant nostrils, which are naked. Ears are short, broad, and rounded, with smoothly convex anterior margins, no notch on posterior margin, with broadly rounded tip; tragusis long, narrow, and tapering toward pointed tip. Wing attaches to base offirst toe. Skull has flat braincase and long rostrum. Upper teeth are relatively large.

Habitat. Found exclusively in mature evergreen broadleaf forests.

Food and Feeding. No information.

Breeding. Of six females captured on TokunoshimainJuly and August, five were lactating.

Activity patterns. Roosts in dead foliage, especially of Idesia polycarpa ( Salicaceae), Symplocos cochinchinensis ( Symplocaceae), and Schefflera heptaphylla ( Araliaceae).

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Endangered on The IUCN Red List. Restricted to just three islands that have all experienced deforestation. The Ryukyu Tube-nosed Bat was only discovered in 1996, and surveys since have recorded it at low densities, at least on Amami-Oshima. Parts of Amami-Oshima are protected in forest reserves, and the speciesis listed locally as endangered on the Japanese Red List (2007).

Bibliography. Fukui et al. (2005), Funakoshi et al. (2013), Maeda (2000, 2008d), Maeda & Matsumura (1998), Maeda et al. (2002), Ohdachi etal. (2009), Watari & Funakoshi (2013).