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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Ogilbia: Taken from Ogilby, 1887-1915, icthiologist and zoologist (Ref. 45335); jeffwilliamsi: Named for Dr. Jeffrey T. Williams, USNM.
Eponymy: James Douglas Ogilby (1853–1925) was an Irish-born Australian ichthyologist and taxonomist, son of the famous zoologist William Ogilby (below). [...] Dr Jeffrey T Williams. (See Williams) (Ref. 128868), visit book page.
More on authors: Møller, Schwarzhans & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 0 - 15 m (Ref. 57883). Tropical
Western Atlantic: Caribbean Sea, Belize, Panama, through Venezuela to Trinidad and Tobago and northward along the Antilles to Navassa.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.6 cm SL male/unsexed; (Ref. 57883); 6.1 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 71 - 82; Anal soft rays: 52 - 61; Vertebrae: 40 - 44. This species is characterized by the following: Vertebrae 11-13 + 29-32 = 40-44, dorsal fin rays 71-82, anal fin rays 52-61; outer pseudoclasper wingshaped with single curved supporter anteriorly; inner pseudoclasper club-shaped, with prominent appendix inserted at posterior-distal angle; small fleshy lobe at base of hood adjacent to outer pseudoclasper, penis
tapering; opercular spine with single, sharp tip; scale patch on cheeks with 6-9 vertical scale rows; otolith length: height ratio 2.2-2.3; green pigment globules in head and body mucus (Ref. 57883).
Inhabits rocky and coral reefs, in depths down to about 15 m. A few specimens are known from mangrove habitats. A 58 mm SL female specimen contains about 50 eggs, diameter 0.3-0.5 mm and 55 embryos, 6-8 mm TL, with 2 long rows of pigment spots along mid-body and dorsal fin base (Ref. 57883).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Møller, P.R., W. Schwarzhans and J.G. Nielsen, 2005. Review of the American Dinematichthyini (Teleostei: Bythitidae). Part II. Ogilbia. aqua, J. Ichthyol. Aquat. Biol. 10(4):133-207. (Ref. 57883)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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