Bathygobius cyclopterus
   (Valenciennes, 1837)

Common names: English: Spotted frillgoby
German: Gefleckte Rüschengrundel

Common synonyms: Gobius cyclopterus Valenciennes, 1837; Gobius nox Bleeker, 1851; Gobius variabilis Steindachner, 1901; Gobius varius Steindachner, 1901; Mapo mearnsi Evermann & Seale, 1906; Mapo crassiceps Jordan & Seale, 1906; Bathygobius laoe Roxas & Ablan, 1940.

Length: 8 cm.

Brown with irregular spots; often with dark brown saddle below each of the dorsal fins; dorsal and caudal fins with bands in females, dusky in males.

Head depressed, caudal fin rounded, about equal in length to head with snout. Upper part of operculim scaled, scales on nape cycloid.
37 - 38 scales in lateral series.
Fins: D1 VI; D2 I+9; A I+8; P 20-22.

Probably carnivorous.

No informations.

25 m in Mediterranean. In Indo-Pacific: 0 - 20 m. Intertidal seaward reef flats and shallow reefs near shore.

Bathygobius cyclopterus
Photograph: J.E. Randall ©
Israel Eilat Gulf of Aqaba, 1976



Species list
General info


Mediterranean: near Suez Canal, Egypt (immigrant from the Red Sea). Indo-Pacific.







Literature on Bathygobius cyclopterus


Akel, E.S.H.KH., 2017. A first record of Bathygobius cyclopterus (Cuvier & Valenciennes 1837) in the Mediterranean Sea. New Mediterranean Biodiversity Records, Mediterranean Marine Science, 18: 534-556.

Cuvier, G. & Valenciennes A., 1837: Histoire naturelle des poissons. Tome douzième. Suite du livre quatorzième. Gobioïdes. Livre quinzième. Acanthoptérygiens à pectorales pédiculées. v. 12: i-xxiv + 1-507 + 1 p., Pls. 344-368.

Kovacic M., 2020: Checklist of gobies (Teleostei: Gobiidae) of the Mediterranean Sea and a key for species identification. Zootaxa 4877: 075-101.

Randall J.E. & Goren M., 1993: A review of the gobioid fishes of the Maldives. Ichthyol. Bull. J.L.B. Smith Inst. Ichthyol. 58:1-37.





Photographs of Bathygobius cyclopterus



Bathygobius cyclopterus
India, Kovalam, 1980
Photograph: J.E. Randall ©
Bathygobius cf. cyclopterus
Reef of Guam
Photograph: Dave Burdick ©







Drawing of Bathygobius cyclopterus




no drawing available


Copyright © 2019 - Robert A. Patzner, Department of Biosciences, Univ. Salzburg, Austria.
State: 2019-06-24