A New Genus and Species of Congrid Eel (Teleostei: Anguilliformes: Congridae) from Western Australia Author Smith, David G. text Records of the Australian Museum 2004 56 2 143 146 journal article 2201-4349 Castleichthys n.gen. Type species . Castleichthys auritus n.sp. Diagnosis . Body moderately elongate; preanal length less than 40% TL; tip of tail slender and flexible, but not greatly attenuate or filiform; pectoral fin well developed; dorsal origin slightly behind tip of appressed pectoral fin; dorsal- and anal-fin rays segmented; jaws equal, rictus below middle of eye; flange present on upper lip; skin of head without papillae or plicae; eye relatively large; posterior nostril at mid-eye level. Teeth small, not caniniform or molariform; maxillary teeth uniserial, mandibular teeth uniserial for most of length. Fig. 1. Castleichthys auritus , holotype, 288 mm TL, CSIRO H.2083-05. A = anus; D = dorsal-fin origin. Etymology . Named for the late P.H.J. Castle, who located the specimen described here and recognized its novelty, but was unable to complete the description himself; in recognition of his many contributions to our knowledge of eels and eel larvae. In combination with the Greek ichthys , fish; masculine.