Day'S Tongue Sole

Inhabits sandy and muddy bottoms of the continental shelf. Feeds predominantly on bottom-living invertebrates.

Inhabits sandy and muddy bottoms of the continental shelf. Feeds predominantly on bottom-living invertebrates (Ref. 2872).

fisheries: commercial

Cynoglossus dispar Day

Cynoglossus dispar Day, 1877:434, pl. 96: fig. 2 [type-locality: Bombay]; 1889:456.—Norman, 1928:199 [Bombay, Madras].—Pradhan, 1964:458 [Bombay coast].

DESCRIPTION.—Based on 12 specimens, 167.0–350.0 mm SL, including the lectotype and paralectotypes of C. dispar.

Depth of body 24.81–32.58 (M = 29.87), length of head 18.83–21.35 (M = 20.17) percent of standard length. Diameter of eye 7.81–9.91 (M = 8.75), interorbital width 4.48–9.01 (M = 5.95) percent of length of head. Two; nostrils on ocular side, a simple one in anterior half of interorbital space, and a tubular one in front of lower eye. Snout rounded 16.42–31.53 (M = 26.60) percent of length of head, rostral hook, short and not extending to vertical through the front border of upper eye. Maxillary extending to beyond posterior border of fixed eye; angle of mouth extending to about or almost below vertical from hind border of fixed eye, much nearer to tip of snout than to branchial opening; snout to angle of mouth 38.81–52.25 (M = 43.50), angle of mouth to branchial opening 46.85–58.73 (M = 56.0) percent of length of head.

Scales: Ctenoid on ocular side except those on lateral lines; scales of blind side and those of lateral lines of ocular side cycloid.

Lateral-Line System: Two lateral lines on eyed side, 102–119 scales on median lateral line, 18–20 scales between them. Two lateral lines on blind side.

Interlinear scale rows 18 19 20

Frequencies 2 3 3

Fins: Dorsal with 109–113 rays, anal with 90–92 rays, caudal 10 in 5 specimens (radiographs).

Vertebrae: 53–54, comprising 9 abdominal and 44–45 caudal elements in 5 specimens (radiographs).

Coloration: Upper side brownish with somewhat darker irregular blotches, lower whitish in preserved specimens.

Size: Largest specimen examined, 389 (350 + 33) mm, is from Karachi, west end of Astola Island, trawled by Anton Bruun.

DISTRIBUTION.—India: Madras and Bombay; Pakistan: Astola Island, west of Karachi.

DIAGNOSIS AND

Cynoglossus dispar és un peix teleosti de la família dels cinoglòssids i de l'ordre dels pleuronectiformes que es troba a les costes que van des de Pakistan fins a Madràs (Índia).

Cynoglossus dispar, commonly known as the Roundhead tonguesole is a species of tonguefish. It is commonly found in the Indian Ocean, particularly off the coast of India, and Pakistan.

Cynoglossus dispar es una especie de pez de la familia Cynoglossidae en el orden de los Pleuronectiformes.

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Cynoglossus dispar Cynoglossus generoko animalia da. Arrainen barruko Cynoglossidae familian sailkatzen da.

圓頭舌鰨為輻鰭魚綱鰈形目鰨亞目舌鰨科的其中一種，為熱帶魚類，分布於西印度洋巴基斯坦至印度馬德拉斯布海域，棲息深度27-420公尺，體長可達38.9公分，棲息在沙泥底質大陸棚底層水域，以底棲性無脊椎動物為食，生活習性不明，可作為食用魚。