Thysanophrys tricaudata Knapp, 2013
Sri Lankan flathead
photo by Knapp, L.

Family:  Platycephalidae (Flatheads)
Max. size:  11.7 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range - 15 m
Distribution:  Eastern Indian Ocean: Sri Lanka.
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 11-11; Anal soft rays: 12-12; Vertebrae: 27-27. This species of is characterized by the following: no papillae on the upper eye; diagonal scale count 4-5: D fin I,VII, A 11; single preocular and preorbital spines; short snout, its length in HL 3.7-4.0 times; caudal fin with 3 dark bars and a dark saddle crossing back under the entire D1 fin (Ref. 92868).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 20 June 2017 Ref. (130435)
Threat to humans:  harmless


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