Synaptura annularis   (Fowler)  1933 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: The Marine Biological Association of India

Size: 145.7 mm TL

Color: Fawn color body with distinct brown annular patches with a dark black margin, including six large and six small patches. Fins dark brown on ocular and blind side with black on tips. Blind-side white in color. In preserved specimen, body color is light brown. Color of annular patches remains the same. Pectoral fins small, with unbranched elements.

An elongated sole. Eyes on the right side, separated by a wide scaly interorbital area with ctenoid scales in 9 rows. Upper eye slightly in advance of the lower. Anterior nostril is elongated, tubular, immediately above upper jaw, posterior nostril slit like, covered by a small tubular fleshy papilla in front of the lower eye. Four rows of fleshy papillae on the blind side, below the lower jaw, extending upto base of head and onto ocular side margin; they are white on the blind side and dark brown on ocular side. Lateral line straight on both sides. Dorsal, anal and caudal fin rays branched. Opercular membrane joined to upper rays of pectoral tins to form a pocket. First and last elements of the pectoral fin on the ocular side are elongated to form small fleshy pointed lobes like horns. Pectoral fin on the blind side has 7 rays covered by a flap of white skin. Caudal fin rounded, confluent with dorsal and anal fins. Origin of pelvic fin on the ocular side is at junction of head and operculum. Five rays on pelvic fin joined by a flap of skin; pelvic fin on blind side slightly smaller than ocular. Fin bases scaled, all fin rays joined by flap of skin. Scales on lateral line are tubular and in the interorbital region ctenoid, with 6 ctenii, central one being the longest.
D 76; A 56; P 9 on ocular side, 8 on blind side; V 5 on both sides; C 13; LL 106; scales above lateral line (SAL) 33; scales below lateral line (SBL) 28; body depth 2.7 times in SL; head length 4.4 times in SL. Measurements are given to the nearest mm. Snout to lower orbit 8.65; snout to upper orbit 7.42; upper eye diameter 3.14, lower eye diameter 2.43; interorbital width 4.97; upper jaw 5.84 on ocular side, 7.53 on blind side; lower jaw 6.65 on ocular and 5.83 on blind side; pectoral fin (P) 11.2 on ocular, 11.35 on blind side; pelvic fin (V) 5.08 on ocular, 4.85 on blind side; longest dorsal fin ray 15.24; longest anal fin ray 9.9, longest caudal fin ray 12.6, longest pectoral fin rayon ocular side 4.61 and on blind side 4.20.

Synonym (s)
Brachirus annularis Fowler 1933
Synaptura nebulosa Chen and Weng 1965
Synaptura annularis Shen and Lee 1981
Synaptura annularis Keith et al. 1985

Common Name (s)
• Annular Sole (English)
Economic Importance and Threats



• Kerala, Off Kochi INDIA (Record: 00/05/2001)

Literature Source(s)
  • Nair, RJ (2006) First record of the annular sole, Synaptura annularis (Fowler, 1933) (Pleuronectiformes: Soleidae) from India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 48(1) 118-120 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2009-06-04

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