Dysommina rugosa
No common name
Collection Details
Specimens
Photos
There are no photos available for this taxon yet.
Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Anguilliformes (True Eels)
Synaphobranchidae (Cutthroat Eels)
Dysommina
Dysommina rugosa
Description
This species account was compiled from
Composite (multiple sources) (McEachran, J.D. and J.D. Fechhelm. Fishes of the Gulf of Mexico. University of Texas Press, Austin.)
and processed using AI-assisted text extraction.
It may contain errors in spelling, punctuation, or formatting.
When citing, please reference the original source rather than this page.
Learn more about our species accounts.
Characters
Moderately stout, with a fleshy, papillose snout, relatively large circular eyes, and a posteriorly located anus. Snout is slightly tapered anteriorly and overhangs lower jaw. Eye is covered by skin. Teeth are lacking in premaxilla, and maxillary and dentary teeth are very small and arranged in many irregular rows. Vomer has four large compound teeth. Gill openings are crescentic and about equal to diameter of eye. Dorsal fin originates posterior to pectoral fin base. Anus is located less than 1.5 head lengths posterior to gill slits. Head pores number five infraorbital, three supraorbital, and six preoperculomandibular. Snout length is 31% to 39% and lower jaw length is 48% to 56% of head length. Head length is 12% to 15%, predorsal length is 17% to 20%, preanal length is 26% to 33%, and body depth is 4.8% to 8.6% of TL. Total vertebrae number 127 to 134.
Color in preservative is brown, with head and dorsal aspect of body slightly lighter than remainder of body. Pectoral, dorsal, and anal fins are pale.
Distribution
Off the Carolinas to the Straits of Florida, the northern Gulf of Mexico
Northern Gulf of Mexico
Habitat Associations
Between 260 and 775 m
Biology
352 mm TL
On the continental slope (Ref. 57911).
IUCN Red List Status: Least Concern (LC), assessed 2019-11-11. Resilience: Low (Assuming tmax>10).
Phylogeny and Morphologically Similar Fishes
Distinguished from the other species of the family by the combination of characters described
Commercial or Environmental Importance
Fisheries: of no interest.
References
Ginsburg 1951
Robins and Robins 1989
Uyeno, T., K. Matsuura and E. Fujii (eds.) (1983) Fishes trawled off Suriname and French Guiana. Japan Marine Fishery Resource Research Center, Tokyo, Japan. 519 p.
Bernardes, R.Á., J.L. de Figueiredo, A.R. Rodrigues, L.G. Fischer, C.M. Vooren, M. Haimovici and C.L.D.B. Rossi-Wongtschowski (2005) Peixes de zona econômica exclusiva da região sudeste-sul do Brasil: Levantamento com armadilhas, pargueiras e rede de arrasto de fundo. São Paulo: Editora da Universidade de São Paulo. 295 p.
Fricke, R., M. Kulbicki and L. Wantiez (2011) Checklist of the fishes of New Caledonia, and their distribution in the Southwest Pacific Ocean (Pisces). Stuttgarter Beiträge zur Naturkunde A, Neue Serie 4:341-463.
Ho, H.-C., D.G. Smith and K.A. Tighe (2015) Review of the arrowtooth eel genera Dysomma and Dysommina in Taiwan, with the description of a new species (Anguilliformes: Synaphobranchidae: Ilyophinae). Zootaxa 4060(1):86-104. DOI: 10.11646/zootaxa.4060.1.12
Comments On Dysommina rugosa