Chaunax suttkusi

Chaunax suttkusi, Pale Cavity Gaper. Source: Caruso (1989).
Chaunax suttkusi, Pale-cavity Gaper.
Source: Caruso (1989).
FamilyScientific NameAuthorYearCommon Name
ChaunacidaeChaunax suttkusiCaruso1989Pale-cavity Gaper

Chaunax suttkusi

Unique Characteristics:  Illicial cavity pale and flat or very slightly concave. Esca not black with posteroventral surface translucent or white. Esca pale or dusky with pigmentation of anterodorsal and posteroventral surface not distinctly different.

Similar Species:

Redeye Gaper, Chaunax stigmaeus

Chaunax pictus and Chaunax stigmaeus, Uniform Gaper and Redye Gaper. Source: Caruso (1989).
Chaunax pictus, Uniform Gaper, and Chaunax stigmaeus, Redye Gaper.
Source: Caruso (1989).

Redeye Gaper, Chaunax stigmaeus. Illicial cavity dark brown or black and strongly concave. Anterodorsal surface of esca black, posteroventral surface translucent or white. Color in preservative pale tan with pattern of darker tan spota of varying size. Illicium with dark ring below esca.

Uniform Gaper, Chaunax pictus

Chaunax pictus and Chaunax stigmaeus, Uniform Gaper and Redye Gaper. Source: Caruso (1989).
Chaunax pictus, Uniform Gaper, and Chaunax stigmaeus, Redye Gaper.
Source: Caruso (1989).

Uniform Gaper, Chaunax pictus. Illicial cavity dark brown or black and strongly concave. Anterodorsal surface of esca black, posteroventral surface translucent or white. Color in preservative pale tan (except specimens < 50 mm Standard length). Illicium without dark ring.

Reference:

Caruso, J.H. 1989. Systematics and distribution of the Atlantic chaunacid anglerfishes (Pisces: Lophiiformes). Copeia 1989(1):153-165.