HOME --> CLASS MAMMALIA
--> ORDER RODENTIA
--> SUBORDER MYOMORPHA
--> SUPERFAMILY Muroidea
--> FAMILY Muridae
--> SUBFAMILY Murinae
--> GENUS Rattus
SPECIES Rattus tiomanicus
Author: | Miller, 1900. | Citation: | Proc. Wash. Acad. Sci., 2: 212. | Common Name: | Malaysian Field Rat | Type Locality: | Malaysia, Pahang, Tioman Isl, off the east coast Malay Peninsula. | Distribution: | Endemic to the Sunda Shelf and some offshore islands. Records on the Shelf are from peninsular Thailand south of Isthmus of Kra (10°30'N), the Malay Peninsula, Sumatra, Java, Bali, Borneo, Palawan (see Heaney et al., 1998, for records from the Palawan Faunal Region), and many smaller islands. Off the Sunda Shelf, R. tiomanicus is documented from Enggano Isl, southwest of Sumatra, and Maratua Arch., east of Borneo (Musser and Calafia, 1982; Musser and Heaney, 1985). | Status: | IUCN – Lower Risk (lc). | Comments: | Rattus rattus species group. Reviewed by Musser and Califia (1982), who also summarized and provided references documenting the incorrect historical association of tiomanicus and the other synonyms listed here as subspecies of R. rattus. They also pointed out that careful study of inter-island variation among named forms of the R. tiomanicus complex is necessary before relationships among the insular populations can be discerned; more than one species may be represented in what is now viewed as R. tiomanicus. Miller’s (1942) blangorum from the Aceh region of N Sumatra, for example, was originally described as a species, then included in R. tiomanicus (Musser and Califia, 1982), and is here reinstated as a separate species (see account of R. blangorum). Rattus mindorensis from Mindoro Isl in the Philippines; R. simalurensis from the islands of Babi, Lasia, Siumat, and Simalule, off the northwest coast of Sumatra; R. lugens from the Mentawai Arch., and R. adustus from Pulau Enggano (all islands off W coast of Sumatra), and R. burrus from some of the Nicobar Isls, are morphologically similar to the R. tiomanicus complex and should be considered part of it (Musser, 1986; Musser and Heaney, 1985). Whether they are species or island forms of R. tiomanicus can be determined within the framework of a systematic revision of the R. tiomanicus complex employing morphological and molecular data. Distribution and ecology of R. tiomanicus on the small islands off the tip of N Sabah documented by Md Nor (1996). It is found primarily in the lowlands on Borneo but reaches 1700 m on slopes of Mt Kinabalu in Sabah (Md Nor, 2001, and references cited therein). |
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| Offspring: | Synonyms:
ambersoni Schwarz and Schwarz, 1967 banguei Chasen and Kloss, 1932 batin Robinson, 1916 delirius Sody, 1941 ducis (Lyon, 1911) fulmineus (Miller, 1913) generatius Sody, 1941 jalorensis (Bonhote, 1903) jarak (Bonhote, 1905) jemuris Chasen and Kloss, 1931 julianus (Miller, 1903) kabanicus Hill, 1960 kunduris Chasen and Kloss, 1931 lamucotanus (Lyon, 1911) lasurius Sody, 1941 luxuriosus Chasen, 1935 maerens (Miller, 1911) mangalumis Kloss, 1931 mara (Miller, 1913) pauper (Miller, 1913) payanus Chasen and Kloss, 1931 pemanggis Chasen, 1940 perhentianus Chasen, 1940 pharus Hill, 1960 piperis Schwarz and Schwarz, 1967 rhionis (Thomas and Wroughton, 1909) roa (Miller, 1913) roquei Sody, 1929 rumpia (Robinson and Kloss, 1911) sabae Medway, 1965 sebasianus Sody, 1941 siantanicus (Miller, 1900) sribuatensis Hill, 1960 tambelanicus (Miller, 1900) tenggolensis Yong, 1971 terutavensis Hill, 1960 tingius (Miller, 1913) tua (Miller, 1913) vernalus Sody, 1940 viclana (Miller, 1913)
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