Alainodaeus filipinus Mendoza & Ng, 2008

Mendoza, Jose Christopher E. & Ng, Peter K. L., 2010, The Euxanthine Crabs (Crustacea: Brachyura: Xanthidae) Of The Philippines, Raffles Bulletin of Zoology 58 (1), pp. 57-74 : 58-59

Alainodaeus filipinus Mendoza & Ng, 2008

Alainodaeus filipinus Mendoza & Ng, 2008a: 55 , Figs. 1–4 .

Material examined. – Holotype male, 16.5 × 12.0 mm (NMCR- 27161), Balicasag Is., 100–500 m, from fishermen with tangle nets, coll. P. K. L. Ng, 2 Mar.2004; paratypes: 1 male, 8.8 × 6.4 mm ( ZRC 2008.0895 ), from fishermen with tangle nets, 100–500 m, Balicasag Is., coll. P. K. L. Ng, Dec.2000; 1 male, with bopyrid isopod in branchial chamber, 21.8 × 15.0 mm ( ZRC 2008.0896 ), tangle net, 100–300 m, Maribohoc Bay, Bohol, coll. J. Arbasto, between Nov.2003 to Apr.2004; 1 female, 11.2 × 8.2 mm ( ZRC 2008.0897 ), from fishermen with tangle nets, 100–500 m, Balicasag Is., coll. P. K. L. Ng, Mar.2004; 1 female, 11.1 × 8.0 mm ( ZRC 2008.0898 ), from fishermen with tangle nets, 50–500 m, Balicasag Is., coll. PANGLAO 2004 Marine Biodiversity Project , 14 Jun.2004; 1 male, 15.5 × 10.8 mm, 1 female, 13.0 × 8.9 mm ( ZRC 2008.0899 ), Stn. DW 2402, off Balicasag Is., 101–118 m, 9°30.8'N 123°41.5'E, coll. MV DA-BFAR, PANGLAO 2005 Cruise, 31 May 2005.

Remarks. – This species was recently described from Balicasag Island (Mendoza & Ng, 2008a). It represents a remarkable range expansion for Alainodaeus , being found in the northernmost and westernmost extent of the known range of this genus. It is known only from the central Philippines thus far.

asterisk (*) are new country records.

Alainodaeus filipinus Mendoza & Ng, 2008 Balicasag Is. , Bohol Sea (Mendoza & Ng, 2008a)

Cranaothus deforgesi Ng, 1993 Maluso Bay , Basilan Is., Sulu Sea (Serène & Umali, 1972); Panglao & Balicasag Is., Bohol Sea (this paper)

Crosnierius carinatus Serène & Vadon, 1981 off Lubang Is., South China Sea (Serène & Vadon, 1981);

Bohol Sea & eastern coast of Luzon, Philippine Sea, off Batangas coast, South China Sea (this paper)

* Epistocavea mururoa Davie, 1993 Panglao & Balicasag Is. , Bohol Sea (this paper)

Euxanthus exsculptus ( Herbst, 1790) Philippines (no specific locality) ( White, 1847); Davao

Gulf ( Ward, 1941); Catanduanes Is., Philippine Sea ( Guinot-Dumortier, 1960); Luzon Is. (Batangas, Cagayan & Sorsogon), Lubang Is., Mindoro Is., Panay Is., Samar Is., Sibuyan Is. (this paper)

Euxanthus herdmani Laurie, 1906 Camiguin Is., Bohol Sea (Garth & Kim, 1983); Puerto Galera, Mindoro Is., South China Sea ( Serène, 1984); Panglao Is.,

Bohol Sea (this paper)

Euxanthus huonii (Hombron & Jacquinot, 1846) Philippines (no specific locality) ( Miers, 1884); Panglao Is., Bohol Sea (this paper)

Guinotellus melvillensis Serène, 1971 Cape Melville, Balabac Is., Sulu Sea ( Serène, 1971; Serène & Umali, 1972); Balabac Is., Cuyo, Is., Sibutu Is., Sulu Sea & Batangas, South China Sea ( Mendoza et al., 2009)

* Hepatoporus orientalis ( Sakai, 1935) Off Batangas coast, South China Sea (this paper)

Hepatoporus pumex Mendoza & Ng, 2008 Panglao Is. , Bohol Sea (Mendoza & Ng, 2008b)

* Hypocolpus abbotti ( Rathbun, 1894) Panglao & Balicasag Is. , Bohol Sea (this paper)

Hypocolpus haanii Rathbun, 1909 Jolo Is. , Sulu Sea ( Buitendijk, 1960); Panglao & Balicasag Is., Bohol Sea (this paper)

Hypocolpus kurodai Takeda, 1980 Marinduque Is., Sibuyan Sea (Takeda & Manuel, 2000)

Ladomedaeus fungillus Manuel-Santos & Ng, 2007 Panglao & Balicasag Is. , Bohol Sea ( Manuel-Santos & Ng, 2007); Bohol Sea & eastern coast of Luzon, Philippine Sea

(this paper)

Medaeops granulosus ( Haswell, 1882) Quezon, Palawan Is., South China Sea (Serène & Umali, 1972); off Lubang Is., South China Sea (Serène & Vadon, 1981); Manigo-nigo Is., Iloilo, Visayan Sea (this paper)

Medaeus elegans A. Milne-Edwards, 1867 Pearl Bank , Sulu Archipelago (Serène & Umali, 1972)

Miersiella cavifrons Takeda, 1989 off Lubang Is., South China Sea (Serène & Vadon, 1981);

Bohol Sea, (this paper)

* Miersiella haswelli ( Miers, 1886) Balicasag Is. , Bohol Sea (this paper)

Paramedaeus globosus Serène & Vadon, 1981 off Lubang Is., South China Sea (Serène & Vadon, 1981);

Bohol Sea (this paper)

Paramedaeus simplex (A. Milne Edwards, 1873) Batangas, South China Sea (Serène & Umali, 1972); Panglao Is., Bohol Sea (this paper)

* Paraxanthodes cumatodes ( MacGilchrist, 1905) Panglao Is. , Bohol Sea (this paper)

* Paraxanthodes obtusidens (Sakai, 1965) Balicasag Is. , Bohol Sea & eastern coast of Luzon, Philippine Sea (this paper)

Rizalthus anconis Mendoza & Ng, 2008 Panglao Is. , Bohol Sea (Mendoza & Ng, 2008b)

Visayax estampadori Mendoza & Ng, 2008 Panglao Is. , Bohol Sea (Mendoza & Ng, 2008b)

Visayax osteodictyon Mendoza & Ng, 2008 Panglao Is. , Bohol Sea (Mendoza & Ng, 2008b)

Figures

Fig. 1. Live colouration of euxanthine crabs from the Philippines: A, Cranaothus deforgesi Ng, 1993, male (8.0 × 5.9 mm) (R59, Panglao Is., ZRC 2008.1365); B, Crosnierius carinatus Serène & Vadon, 1981, female (15.6 × 11.8 mm) (CP2737, eastern coast of Luzon, ZRC 2008.1370); C, Epistocavea mururoa Davie, 1993, male (33.2 × 23.5 mm) (L36, Panglao Is., ZRC 2008.1371); D, Euxanthus herdmani Laurie, 1906, male (10.0 by 7.6 mm) (S32, Panglao Is., NMCR-27334); E) Euxanthus huonii (Hombron & Jacquinot, 1846), male (31.9 × 21.9 mm) (M17, Panglao Is., ZRC 2008.1376); F, Hepatoporus orientalis (Sakai, 1935) male (8.1 × 6.0 mm) (CP2862, off Batangas coast, ZRC 2008.1379).

Fig. 2. Live colouration of euxanthine crabs from the Philippines: A, Hypocolpus haanii Rathbun, 1909, male juv., (11.5 × 8.0 mm) (B11, Pamilacan Is., ZRC 2008.1383); B, Ladomedaeus fungillus Manuel-Santos & Ng, 2007, male juv. (9.7 × 7.0 mm) (CP2708, ZRC 2008.1389); C, Miersiella cavifrons Takeda, 1989, male (9.8 × 6.6 mm) (L36, Panglao Is., ZRC 2008.1391); D, Paramedaeus globosus Serène & Vadon, 1981, male (6.0 × 4.6 mm) (T36, Cervera Shoal, MNHN-B31891); E, Paramedaeus simplex (A. Milne-Edwards, 1873), female (9.7 × 6.8 mm) (S7, Panglao Is., NMCR-27356); F, Paraxanthodes obtusidens (Sakai, 1965), male (18.6 × 13.0 mm) (CP2747, ZRC 2008.1410).

Fig. 3. Hypocolpus abbotti (Rathbun, 1894), male, (41.6 by 28.7 mm) (Balicasag Is., MNHN-B31888): A, dorsal view; B, fronto-lateral view of subhepatic cavity; Hypocolpus haanii Rathbun, 1909, male (49.5 × 34.5 mm) (Balicasag Is., NMCR-27339); C, dorsal view; D, fronto-lateral view of subhepatic cavity; Hypocolpus kurodai Takeda, 1980, male (21.0 × 13.5 mm) (Marinduque, NMCR-6609); E, dorsal view; F, fronto-lateral view of subhepatic cavity.

Fig. 4. Epistocavea mururoa Davie, 1993, male (33.2 × 23.5 mm) (L36, ZRC 2008.1371): A, dorsal view; B, frontal view; Miersiella haswelli (Miers, 1886), male (7.4 × 5.5 mm) (CP2343, Pamilacan Is., ZRC 2008.1400); C, dorsal view; D, ventral view; Paraxanthodes obtusidens (Sakai, 1965), female (30.1 × 20.3 mm) (Balicasag Is., NMCR-27357); E, dorsal view; F, frontal view; G, Medaeops granulosus (Haswell, 1882), female (12.5 × 9.0 mm) (Iloilo, NMCR-9705); H, Paraxanthodes cumatodes (MacGilchrist, 1905), male (5.7 × 4.1 mm) (T1, Panglao Is., ZRC 2008.1409).