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Bathygobius cyclopterus Spotted Frillgoby, Cyclops Frill Goby

Bathygobius cyclopterus is commonly referred to as Spotted Frillgoby, Cyclops Frill Goby. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.


Profilbild Urheber Dr. Klaus M. Stiefel, Philippinen

Foto; Danjugan, Provinz Negros Occidental, Philippinen

/ 1. Juli 2026
Courtesy of the author Dr. Klaus M. Stiefel, Philippinen Copyright Klaus Stiefel

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Profile

lexID:
18464 
AphiaID:
209210 
Scientific:
Bathygobius cyclopterus 
German:
Gefleckte Rüschengrundel 
English:
Spotted Frillgoby, Cyclops Frill Goby 
Category:
Gobies 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Teleostei (Class) > Gobiiformes (Order) > Gobiidae (Family) > Bathygobius (Genus) > cyclopterus (Species) 
Initial determination:
(Valenciennes, ), 1837 
Occurrence:
Suez-Kanal, Eritrea, Hong Kong, Sudan, (the) Maldives, American Samoa, Bali, China, Christmas Islands, Comores, Corea, Djibouti, East Africa, Eastern Indian Ocean, Egypt, Fiji, Guam, Hawaii, India, Indian Ocean, Indonesia, Israel, Japan, Jordan, Kenya, Komodo (Komodo Island), Lessepsian migrant, Macau, Madagascar, Mauritius, Mayotte, Micronesia, Moluccas, Mozambique, Myanmar, New Caledonia, New South Wales (Australia), Northern Mariana Islands, Palau, Papua, Papua New Guinea, Philippines, Pitcairn Islands, Queensland (Australia), Raja Amat, Red Sea, Réunion , Samoa, Saudi Arabia, Solomon Islands, South-Africa, Sumatra, Taiwan, Tansania, Thailand, The Chagos Archipelago (the Chagos Islands), the Cocos Islands / Keeling Islands, the Mediterranean Sea, the Seychelles, Timor, Tokelau, Tonga, Tuvalu, Vanuatu, Vietnam, Wallis and Futuna, Western Australia, Yemen 
Marine Zone:
Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic. 
Sea depth:
0 - 20 Meter 
Habitats:
Brackish water, Coastal waters, Coral reefs, Demersal (bottom-dwelling fish), Intertidal zone, Tidal Zone, Marine / Salt Water, Reef roofs, Reef canopies, Reef flats, Rocky, hard seabeds, Rubble floors, Sandy sea floors, Seaward facing reefs, Tide pools / rock pools 
Size:
7,5 cm 
Temperature:
24,2 °F - 29,3 °F (24,2°C - 29,3°C) 
Food:
Amphipods, Brine Shrimp Nauplii, Brine Shrimps, Carnivore, Copepods, Daphnia salina, Herring, Invertebrates, Living Food, Zoobenthos 
Difficulty:
There are no reports available yet that this animal has already been kept in captivity successfully 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Least concern (LC)  
Related species at
Catalog of Life:
 
More related species
in this lexicon:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2026-07-10 11:24:21 

Info

Bathygobius cyclopterus is a demersal groundfish with a stocky, brown-marbled body, fringed upper pectoral fin rays, and fused pelvic fins that form a suction cup, allowing the goby to maintain a firm grip even in somewhat turbulent water.

As an adaptable bottom-dweller, Bathygobius cyclopterus inhabits tidal pools and rocky areas, snatching up small crustaceans, worms, and algae.
The goby’s head and body are dark with irregular whitish spotting, but its ventral side is whitish with many small melanophores.
A pale-black spot is visible on the caudal peduncle, extending along both sides across the dorsal region.
Several whitish spots are present on the cheeks and at the base of the pectoral fins.
All fins are semi-transparent; the first dorsal fin has a dark brown line, and the second dorsal fin, the pectoral fins, and the caudal fin are moderately brown-spotted.
The anal fin and the pelvic fin disc feature dark melanophores.

In breeding trials, goby larvae were successfully reared on Artemia nauplii and artificial feed from Del Marine Food.

Synonyms:
Bathygobius crassiceps (Jordan & Seale, 1906) · unaccepted
Bathygobius laoe Roxas & Ablan, 1940 · unaccepted
Bathygobius mearnsi (Evermann & Seale, 1906) · unaccepted
Bathygobius nox (Bleeker, 1851) · unaccepted
Gobius cyclopterus Valenciennes, 1837 · unaccepted
Gobius nox Bleeker, 1851 · unaccepted
Gobius variabilis Steindachner, 1901 · unaccepted
Gobius varius Steindachner, 1901 · unaccepted
Mapo crassiceps Jordan & Seale, 1906 · unaccepted
Mapo mearnsi Evermann & Seale, 1906 · unaccepted

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