Paraplagusia bilineata (Bloch, 1787)
Doublelined tonguesole
Palad,  Dapa,  Pad-pad,  Palad
Paraplagusia bilineata
photo by Gloerfelt-Tarp, T.

Family:  Cynoglossidae (Tonguefishes), subfamily: Cynoglossinae
Max. size:  31.6 cm TL (male/unsexed)
Environment:  demersal; brackish; marine; depth range 1 - 25 m
Distribution:  Indo-Pacific: Red Sea and east coast of Africa to the Philippines, north to southern Japan, south to New Guinea and northeastern Australia.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 99-115; Anal spines: 0-0; Anal soft rays: 72-89; Vertebrae: 50-50. Upper side tan, marbled with dark wavy lines enclosing pale patches; 2 lateral lines on eyed side, none on blind side (Ref. 4418). Caudal vertebrae 36-44; mid-lateral line scales 75-109 (Ref. 9224, 11691).
Biology:  Found on mud and sand bottoms of the continental shelf (Ref. 30573). Enters shallow estuarine waters (Ref. 4833) and tidal rivers (Ref. 1479).
IUCN Red List Status: Least Concern (LC); Date assessed: 16 November 2020 Ref. (130435)
Threat to humans:  harmless
Country info:  Museum: 'Albatross" collection: Iloilo Mkt., USNM 138070, 138071; Manila Mkt., USNM 138072; Chase Head Endeavor St., Palawan, USNM 138073; Paluan Bay, Mindoro, USNM 138074; Mansalay Bay, se. Mindoro, USNM 138075; Lingayen Gulf, USNM 138076; Siquijor I., Santa Maria, USNM 138077; Abuyog, Leyte, USNM 138079; Subig Bay, USNM 138080; Port San Pio Quinto, Camiguin I., 1 - 6 m, USNM 138082; Panabutan Bay, Mindanao, USNM 138083; Cotabato, USNM 138084; Davao, USNM 138085; Balayan Bay, Luzon, Taal Anchorage, USNM 138086; Bolinao lagoon, Pangasinan, USNM 228535; ne. side of Siquijor, tidal lagoon, USNM 273773; USNM 138081 (Ref. 11790). Also Ref. 9494. In range Ref. 4418.


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