Urogymnus lobistoma


Tubemouth whipray
Classification: Elasmobranchii Myliobatiformes Dasyatidae

Reference of the original description
Himantura lobistoma, a new whipray (Rajiformes: Dasyatidae) from Borneo, with comments on the status of Dasyatis microphthalmus. Ichthyological Research, 53 (3): 290–297

Image of the original description
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Synonyms / new combinations and misspellings
Himantura lobistoma, Urogymnus aff. lobistomus, Urogymnus lobistomus

Urogymnus lobistoma

Himantura lobistoma
Paratype: CSIRO: H 6214-03; CSIRO: H 5485-01; CSIRO: H 5472-01; IPMB: 38.32.02; SMEC: 369; SMEC: 370; SMEC: 371;

Description :

Citation: Urogymnus lobistoma (MANJAJI-MATSUMOTO & LAST, 2006): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 05/2019

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Common names
eng Tubemouth whipray

Short Description
This species belong to the "quot;uarnacoides"quot; complex, characterized by the following: lateral disc shape with pectoral fin apices broadly rounded rather than narrowly rounded or angular; color plain (usually uniform light to dark brown dorsally, and pale or whitish ventrally with or without a dark margin; a long and slender whiplike tail and platelike denticles in a broad dorsal band in adults. This species differs from H. hortlei in having a highly protrusible mouth and a pelvic girdle with prominent lateral prepelvic processes (Ref. 58327).

Western Pacific: South China Sea, off western Borneo. Source: www.gbif.org

Size / Weight / Age
49.2 cm WD (male/unsexed; (Ref. 58327)); 100 cm WD (female)

benthopelagic; marine

shark-references Species-ID=14820;

Parasites (arranged by Jürgen Pollerspöck)
  • Cavearhynchus foveatus SCHAEFFNER & BEVERIDGE, 2012 [15789] [21816]
  • Dollfusiella michiae (SOUTHWELL, 1929) [19694] [21816]
  • Dollfusiella spinulifera (BEVERIDGE & JONES, 2000) [19694] [21816]
  • Parachristianella baverstocki BEVERIDGE, 1990 [21816]
  • Parachristianella indonesiensis PALM, 2004 [21816]
  • Parachristianella monomegacantha KRUSE, 1959 [21816]
  • Prochristianella clarkeae BEVERIDGE, 1990 [17404] [21816]
  • Zygorhynchus borneensis BEVERIDGE, 2008 [21816]