Philometridae, Baylis & Daubney, 1926

Key to species of the family Philometridae View in CoL in Indonesia ( Moravec 2006, Moravec et al. 2012)

1. Entire body covered with spines.............................. Spirophilometra spp. (1 species known from Indonesia) Total body length of females 10.5–21.6 mm, located in fins, reported from serranid fishes................................................................................................ Spirophilometra endangae sp. nov.

- Entire body not covered with spines...................................................................... 2

2. Cuticle with small, irregular bosses. Head without cephalic alae. Parasitic in subcutaneous tissue, body cavity or musculature of marine fishes........................................................................ Philometroides spp. (2 species known from Indonesia)

a. Cuticle covered with small circular to transverse oval bosses, body of gravid female 13.0– 22.4 mm, located in dorsal fins, reported from beloniform fishes......................... Philometroides trichiuri Moravec, Walter , & Yuniar, 2012 - Cuticle not covered with transverse oval bosses.......................................................... b b. Cuticle covered with sporadically scattered cuticular bosses. Total body length of gravid females 143 mm, located in the musculature, reported from beloniform fishes........ Philometroides indonesiensis Moravec, Walter , & Yuniar, 2012

- Cuticle without irregular bosses.............................................................. Philometra spp.

(6 species known from Indonesia)

a. Gravid female with 4 large, fleshy cephalic papillae, located in the eye or orbit, parasites in the family Serranidae ...................................................... Philometra ocularis Moravec, Ogawa, Suzuki & Donai, 2002 - Gravid females with small cephalic papillae and located otherwise.......................................... b b. Oral aperture surrounded by narrow ring of distinctly elevated cuticle. Reported from tetraodontiform fishes............................................................... Philometra javaensis Moravec, Walter , & Yuniar, 2012 - Oral aperture not surrounded by narrow ring of distinctly elevated cuticle.....................................c c. Anterior bulbous inflation of female oesophagus with spacious lumen. Nerve ring encircling oesophagus just posterior to its anterior bulb. Parasitic in Tetraodontidae ............................. Philometra pellucida (Jägerskiöld, 1893) - Anterior bulbous inflation of female oesophagus without spacious lumen. Nerve ring encircling oesophagus not just posterior to its anterior bulb............................................................................. d d. Located in musculature, reported from psettotiform fishes..... Philometra psettoditis Moravec, Walter , & Yuniar, 2012 - Gravid female in other location...................................................................... e e. Gravid female with two caudal projections. Total length of gravid female 7.75–17.80 mm, located in the opercula, parasites in the Serranidae ....................................................... Philometra epinepheli sp. nov. - Gravid female without caudal projections. Body length exceeding 110 mm. Located in abdominal cavity, reported from lobotiform fishes....................................... Philometra lobotidis Moravec, Walter , & Yuniar, 2012