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・ Tubigon, Bohol
・ Tubikənd
・ Tube-lipped nectar bat
・ Tube-snout
・ TUBE1
・ TubeCon
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・ Tubed, Latehar
・ Tubefilter
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Tubemouth whipray
・ Tubenose
・ Tubenose goby
・ Tuber
・ Tuber (fungus)
・ Tuber aestivum
・ Tuber anniae
・ Tuber cinereum
・ Tuber cinereum hamartoma
・ Tuber donnagotto
・ Tuber gibbosum
・ Tuber Hill
・ Tuber ladder fern
・ Tuber lijiangense
・ Tuber macrosporum


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Tubemouth whipray : ウィキペディア英語版
Tubemouth whipray

The tubemouth whipray (''Himantura lobistoma'') is a little-known species of stingray in the family Dasyatidae, named for its distinctive, highly protrusible jaws. It is found in shallow, brackish water near mangrove forests and large river mouths along the coasts of southwestern Borneo and southern Sumatra. Measuring up to across, this species has a diamond-shaped pectoral fin disc with an elongated, pointed snout and broadly rounded outer corners. The upper surface of the disc is a plain grayish or brownish in color, and covered by small, flattened dermal denticles. The tubemouth whipray is relatively common at present, but is heavily pressured by habitat degradation and coastal fisheries. The International Union for Conservation of Nature (IUCN) has listed it as Vulnerable.
==Taxonomy==
The first known specimens of the tubemouth whipray were caught from the South China Sea in 1999, and initially thought to be ''Dasyatis microphthalmus'', a species of dubious taxonomic validity. As additional specimens emerged, this ray was described as a new species by B. Mabel Manjaji-Matsumoto and Peter Last in a 2006 issue of the scientific journal ''Ichthyological Research''. The specific epithet ''lobistoma'' is derived from the Latin ''lobus'' ("protuberance") and ''stoma'' ("mouth"), in reference to its protrusible jaws. The type specimen is an adult male across, collected off Bintulu in Sarawak, Malaysia. The tubemouth whipray belongs to the 'uarnacoides' species complex, along with ''H. chaophraya'', ''H. granulata'', ''H. hortlei'', ''H. pastinacoides'', and ''H. uarnacoides''.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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