Dysommina rugosa

distribution

Distribution. Dysommina rugosa was described from off the eastern coast of the United States (30 º 53 ’ 00 ” N, 79 º 42 ’ 30 ” W), and is known elsewhere from the Caribbean and Brazil in the Atlantic, Hawaii in the Pacific, and Mozambique in the Western Indian (Haimovici et al. 1994; Robins & Robins 1989).

The deep-sea Anguilliformes and Saccopharyngiformes (Teleostei: Elopomorpha) collected on the Brazilian continental slope, between 11 and 23 S

materials_examined

Material examined. One specimen, 242.0 mm TL: MNRJ 27126 (1, 242.0 mm), T, D- 502.

The deep-sea Anguilliformes and Saccopharyngiformes (Teleostei: Elopomorpha) collected on the Brazilian continental slope, between 11 and 23 S

Dysommina rugosa Ginsburg 1951

Dysommina rugosa Ginsburg, 1951 Dysommina rugosa Ginsburg 1951: 450, Fig. 6. Holotype: USNM 131594. Type locality: western North Atlantic off Georgia, 30° 53’ 00” N, 79° 42’ 30” W, 273 fm (500 m).

Redescription of the eel Ilyophis arx Robins, 1976 (Anguilliformes: Synaphobranchidae: Ilyophinae) with a description of a new species of Ilyophis, and a taxonomic synopsis of the Ilyophinae

diagnosis

Diagnosis. Pectoral fin present; dorsal-fin origin over tip of pectoral fin, predorsal length 14.0 – 17.1 % TL; anus posterior, more than 1 head length behind pectoral fin, preanal length 26.8 – 28.8 % TL; trunk long, trunk length 12.8 – 16.4 % TL; no intermaxillary teeth; 4 compound teeth on vomer; multiple rows of teeth on upper jaw and lower jaw; head pores: IO 4, SO 3, M 6, POP 0, AD 1, ST 0, F 0; lateral-line pores absent; MVF 11 - 28 - 136, total vertebrae 133 – 141. Body light brownish dorsally, paler ventrally; dorsal and anal fins with white margin, posterior one third of anal-fin base and posterior one-seventh of anal fin black.

Review of the arrowtooth eel genera Dysomma and Dysommina in Taiwan, with the description of a new species (Anguilliformes: Synaphobranchidae: Ilyophinae)