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This species was described from the Philippines, with a holotype specimen measuring 40 mm in length, alive, from Mactan Island, Cebu and a paratype measuring 35 mm from Anilao, Batangas. It is found in the tropical western Pacific, including: Indonesia, Philippines, Solomon Islands, Mabul, New Britain, the Davao Gulf, Malaysia, Papua New Guinea, Sulawesi, Great Barrier Reef and Taiwan.
This animal is one of a group of mainly white species of Halgerda with orange markings. It is characterized by a network of fine, solid, red-orange lines on the mantle. It has a white band around the mantle containing low rounded orange-capped tubercles. The mantle tubercles range in size from small rounded bumps to tall, prominent structures.
- Carlson, C.H. & Hoff, P.J. (2000) Three new Pacific species of Halgerda (Opisthobranchia: : Nudibranchia: Doridoidea). The Veliger, 43(2): 154-163.
- WoRMS (2014). Halgerda batangas Carlson & Hoff, 2000. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=457014 on 2015-01-09
- Dayrat B. 2010. A monographic revision of discodorid sea slugs (Gastropoda, Opisthobranchia, Nudibranchia, Doridina). Proceedings of the California Academy of Sciences, Series 4, vol. 61, suppl. I, 1-403, 382 figs.
- Rudman, W.B., 1999 (February 3) Halgerda batangas Carlson & Hoff, 2000. [In] Sea Slug Forum. Australian Museum, Sydney.
- Halgerda batangas at nudipixel
- Halgerda batangas photos on FlickR
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