Diplacanthopoma sp.

FamilyScientific NameAuthorYearCommon Name
BythitidaeDiplacanthopoma sp.G√ľnther1887(No Common Name) Viviparous Brotula

Family Bythitidae — Scales present in all but a few species; skin firm. Precaudal vertebrae 9-22. Swim bladder present. Developed rakers on anterior arch fewer than 6 in most species but in some as many as 18. No median basibranchiall tooth patch. Pelvic fin with a single ray or absent in a few.

Bythitidae
Bythitidae Source: FAO 2002

Diplacanthopoma sp.

Unique Characters: Prominent skin flap bearing large pore above the upper angle of the opercle. Body tapers to a slender tail. Pelvic fins absent or with a single filamentous ray in each Palatine teeth present. Scales absent from head and bases or dorsal and anal fins.

Similar Species:

(No Common Name) Viviparous Brotula Thalassobathia sp.

Black Brotula Stygnobrotula latebricola

(No Common Name) Viviparous Brotula
Bythites gerdae

(No Common Name) Viviparous Brotula Thalassobathia sp. Pelvic fin with 2 short, fleshy rays in each. Anterior nostril non-tubular and placed high in snout; maxilla narrow posteriorly. Gill rakers on first arch reduced to a few small fleshy flap and protruberances. Skin thick; scales absent for head and absent or scattered on body. In association with scyphomedusan Stygiomedusa gigantea jellyfish.

Black Brotula Stygnobrotula latebricola. Body brownish black to black. Fins black. Head and body notably compresses; snout blunt. Snout equals diameter of eye. Pelvic fins absent or with a single filamentous ray in each Palatine teeth absent.

(No Common Name) Viviparous Brotula Bythites gerdae. Pelvic fins absent or with a single filamentous ray in each. Palatine teeth present. No prominent skin flap with pore above opercle. Head without scales. Upper jaws end well behind eye. Opercular spine strong.

Reference:

FAO. 1999. Species catalogue. Volume 18. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fisheries Synopsis. No. 125, Vol. 18. 178p., 136 figs. Rome, Italy.

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