Alionematichthys minyomma

Common Name

Honduran Brotula

Year Described

Sedor & Cohen, 1987


Dorsal Fin: 71-79
Anal Fin: 55-61
Caudal Fin: 16
Pectoral Fin: 21-23
Vertebrae: 39-40
Gill Rakers: 15-19 (on anterior arch)
Lateral Line: 12 dorsal, 20 lateral neuromasts

Genus (Dinematichthys, Alionematichthys) diagnosed by: anterior nostril midway between upper lip and rear nostril; lower anterior gill arch with a short raker sandwiched between two longer rakers. Three long gill rakers. Eyes small but distinct. Two pairs of pseudoclaspers with the inner pair free. Three posterior infra-orbital pores, one upper preopercular pore, and three lower preopercular pores. Opercular spine free. Two pseudobranchial filaments. Body scaled. Scales on head in cheek area (Møller et al., 2004).


Uniformly brownish with a dark abdomen.


Known specimens range from 36-73mm SL.


Shallow coral reefs from 0-10m.


Scattered records from around the Caribbean: off Honduras, Belize, Panama, Colombia, Hispaniola, Puerto Rico, and the NE Lesser Antilles.


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

Møller, P. R. & W. Schwarzhans. 2008. Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-Pacific. Part IV. Dinematichthys and two new genera with descriptions of nine new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory No. 24: 87-146.

Sedor, A. N. & D. M. Cohen. 1987. New bythitid fish, Dinematichthys minyomma, from the Caribbean Sea. Contributions in Science (Los Angeles) No. 385: 5-10.

Other Notes

Described in the genus Dinematichthys, but later placed into a new genus distinct from several Indo-Pacific Dinematichthys (Møller & Schwarzhans, 2008)