| Family | Scientific Name | Author | Year | Common Name |
| Congridae | Ariosoma balearicum | (Delaroche) | 1809 | Bandtooth Conger |
Ariosoma balearicum
Unique Characters: Body brownish. Dorsal and anal fins with well-defined black borders. Jaw teeth in bands. Body moderately elongate. Mouth horizontal or slightly oblique. Snout length only slightly less than, to somewhat greater than diameter of eye. Anterior nostrils free. Pectoral fin well developed; caudal fin present though sometimes reduced. Preanal length usually greater than 40% total length. Caudal fin short and tip of tail stiff. Posterior nostril below mideye level. Dorsal- and anal-fin rays unsegmented. Flange present on upper lip. Upper end of gill opening at middle of pectoral-fin base.
Similar Species:
Mooneye Conger
Ariosoma selenops
Source: SEFSC Pascagoula Laboratory; Collection of Brandi Noble, NOAA/NMFS/SEFSC
Mooneye Conger, Ariosoma selenops. Body moderately elongate. Mouth horizontal or slightly oblique. Snout length only slightly less than, to somewhat greater than diameter of eye. Anterior nostrils free; posterior nostril exposed, below eye level. Pectoral fin well developed; caudal fin present though sometimes reduced. Preanal length usually greater than 40% total length. Caudal fin short and tip of tail stiff. Dorsal- and anal-fin rays unsegmented. Flange present on upper lip. Upper end of gill opening at middle of pectoral-fin base. Jaw teeth in bands. Supratemporal and interorbital pores absent; two postorbital pores. Distance between upper and lower end of each gill opening greater than distance between the right and left gill openings, measured across isthmus.
Longtrunk Conger
Ariosoma anale
Longtrunk Conger, Ariosoma anale. Body moderately elongate. Mouth horizontal or slightly oblique. Snout length only slightly less than, to somewhat greater than diameter of eye. Anterior nostrils free; posterior nostril exposed, below eye level. Pectoral fin well developed; caudal fin present though sometimes reduced. Preanal length usually greater than 40% total length. Caudal fin short and tip of tail stiff. Dorsal- and anal-fin rays unsegmented. Flange present on upper lip. Upper end of gill opening at middle of pectoral-fin base. Jaw teeth in bands. Supratemporal and interorbital pores absent; postorbital pores absent. Distance between upper and lower end of each gill opening less than distance between the right and left gill openings, measured across isthmus.
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