Symphurus holothuriae Chabanaud, 1948

Family:  Cynoglossidae (Tonguefishes), subfamily: Symphurinae
Max. size:  3.23 cm SL (male/unsexed)
Environment:  demersal; marine
Distribution:  Eastern Indian Ocean: NW Australia.
Diagnosis:  Dorsal soft rays (total): 84-84; Anal soft rays: 70-70; Vertebrae: 46-46. This species is distinguished from all its congeners by the following set of characters: ID pattern 1-2-3-2-2; caudal-fin rays 12; vertebrae. 9 (3 + 6) abdominal. 46 total; hypurals 4; D 84, A 70; longitudinal scale rows 60; transverse scale rows 25; scale rows on head posterior to lower orbit 16; body elongate (BD 25.7% of SL); preanal length long (PAL = 27.6% of SL); upper head lobe equal in length to lower head lobe; head long (HL = 24.0% of SL), head length longer than head width (HW/HL = 0.97); postorbital length long (POL of 75.9% HL); snout short (SNL = 14.3% of HL, SNL/ED = 1.45) and slightly blunt anteriorly; dorsal-fin origin at vertical through posterior margin of upper eye; predorsal length short (PDL = 19.7% of HL); eyes unequal in position with anterior margin of upper eye noticeably in advance of anterior margin of lower eye; a well-developed fleshy ridge on posterior part of ocular-side lower jaw; body pigmentation yellowish-green on both sides (Ref. 126065).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 22 February 2019 Ref. (130435)
Threat to humans:  harmless


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