Ogilbichthys kakuki

Common Name

Kakuk Coralbrotula

Year Described

Møller, Schwarzhans, & Nielsen, 2004


Dorsal Fin: 70-79
Anal Fin: 53-61
Caudal Fin: 16
Pectoral Fin: 18-21
Vertebrae: 40-42
Gill Rakers: 3-4
Lateral Line: 14 dorsal, and indistinct lateral neuromasts

Diagnosed by: anterior nostril close to upper lip; lower anterior gill arch with uninterrupted long rakers. 3-4 long gill rakers. Eyes small (2-2.8% SL) but distinct. Dentary with large teeth posteriorly. Three pairs of pseudoclaspers with the inner pair connected to the isthmus. Anterior inner pseudoclasper emerged. Outer pseudoclasper wing-like with a knob at top of inner face. Isthmus between pseudoclaspers narrow. Three posterior infra-orbital pores, one upper preopercular pore, and three lower preopercular pores. Opercular spine free. Two pseudobranchial filaments. Pectoral fin relatively long (>16% SL). Predorsal area, abdomen, and outer pectoral base scaled. Scales on cheek with 3-4 rows dorsally and 1-2 rows ventrally (Møller et al., 2004).


Uniformly yellowish-brown to salmon, with yellowish fins.


Adults from 35-67mm SL.


Shallow coral reefs from 0-4m.


Caribbean Sea: the Bahamas, N. Haiti, and Isla de Providencia, Colombia.


Møller, P. R., W. Schwarzhans & J. G. Nielsen. 2004. Review of the American Dinematichthyini (Teleostei: Bythitidae). Part I. Dinematichthys, Gunterichthys, Typhliasina and two new gerera. aqua, Journal of Ichthyology and Aquatic Biology v. 8 (no. 4): 141-192.