Xyelacyba myersi Cohen 1961

Mincarone, Michael M., Nielsen, Jørgen G., Costa, Paulo A. S. & Rv, Rv, 2008, Deep-sea ophidiiform fishes collected on the Brazilian continental slope, between 11 ° and 23 ° S, Zootaxa 1770 (1), pp. 41-64 : 55-56

Xyelacyba myersi Cohen 1961

( Fig. 3T )

Material examined. 92 specimens, 87–603 mm SL: MOVI 38735-38739 (5, 124– 180 mm), E-0522; MOVI 39174-39175 (2, 170– 230 mm), E-0540; MOVI 39186 (1, 87 mm), E-0526; MOVI 41763-41786 (24, 208– 559 mm), E-0496; MOVI 41787-41793 (7, 215– 573 mm), E-0497; MOVI 41794-41798 (5, 210– 283 mm), E- 0501; MOVI 41799-41807 (9, 210– 365 mm), E-0505; MOVI 41808-41814 (7, 122– 287 mm), E-0506; MOVI 41815 (1, 356 mm), E-0512; MOVI 41816 (1, 470 mm), E-0514; MOVI 41817-41822 (6, 242– 345 mm), E- 0519; MOVI 41823 (1, 240 mm), E-0520; MOVI 41824-41825 (2, 378– 403 mm), E-0522; MOVI 41826- 41829 (4, 540– 603 mm), E-0525; MOVI 41830-41833 (4, 247– 447 mm), E-0526; MOVI 41834-41837 (4, 210– 483 mm), E-0527; MOVI 41838 (1, 272 mm), E-0528; MOVI 41839-41841 (3, 225– 297 mm), E-0535; MOVI 41842 (1, 462 mm), E-0537; MOVI 41843-41844 (2, 283– 418 mm), E-0544; MOVI 41845 (1, 346 mm), E-0547; MOVI 40987 (1, photo), AG2-16 .

Diagnosis. As for genus.

Distribution. Tropical and subtropical areas of all oceans, except eastern Pacific ( Nielsen et al. 1999), at depths from 984 to 2500 m.

Remarks. First record in Brazilian waters. Collected from several stations off Bahia, Espírito Santo, and Rio de Janeiro, from 984 to 2271 m. Previously known from 1075 to 2500 m ( Nielsen et al. 1999).

BYTHITIDAE

Very rarely more than 6 rakers on anterior gill arch. Dorsal, caudal and anal fins joined or not. Basibranchial tooth patches absent. Pelvic fins with a single ray in each, absent in a few species. Viviparous. Forty-eight genera with 185 species.

Figures

FIGURE 3. Ophidiiform fishes collected off eastern Brazil during Thalassa and Astro Garoupa expeditions (asterisks indicate photo of preserved specimens): A. Echiodon cryomargarites*; B. Snyderidia canina; C. Acanthonus armatus; D. Barathrites parri; E. Barathrodemus manatinus; F. Bassogigas gilli; G. Bassozetus robustus; H. Dicrolene kanazawai; I. Eretmichthys pinnatus*; J. Holcomycteronus squamosus; K. Luciobrotula sp.*; L. Lamprogrammus brunswigi; M. Monomitopus agassizii*; N. Neobythites monocellatus*; O. Neobythites ocellatus*; P. Neobythites sp.*; Q.Penopus microphthalmus; R. Porogadus catena*; S. Porogadus miles; T. Xyelacyba myersi; U. Cataetyx messieri*; V. Diplacanthopoma brachysoma*.