Baldhead halosaur

description

Description. Body shape eel-like, moderately compressed, elongated and attenuated to the caudal peduncle; top of snout and head scaleless, opercle scaleless; the preoral portion of the snout is short, contained 3.8 and 4.7 times in the snout length; first dorsal ray very short and vestigial; pelvic fins lie well in advance of dorsal origin; palatine tooth patches separate; pyloric caeca black and anal opening white surrounded by a dark field. The main morphometric and meristic characteristics are presented in Table 7. Habitat and distribution. Benthopelagic between 500 – 2,300 m depth. Circumglobal, mainly at tropical and temperate latitudes. Eastern Atlantic, from the Gulf of Biscay to Guinea and off South Africa; western Atlantic from Greenland, New England, USA to Bahamas and off southern Brazil; eastern Pacific, in Hawaii and Chile (Froese & Sampang 2004; Yeh et al. 2006).

Halosaur fishes (Notacanthiformes: Halosauridae) from Atlantic Spanish waters according to integrative taxonomy

materials_examined

Material examined. MHNUSC 25014 - 1, 190 mm TL, 7 th August 2011, Galicia Bank; 42 º 41.771 ' N — 011 º 33.647 ' W; 1,536 m depth; MHNUSC 25012 - 2, 330 mm TL, 6 th August 2011, Galicia Bank; 42 º 41.771 ' N — 11 º 33.647 ' W; 1,477 m depth.

Halosaur fishes (Notacanthiformes: Halosauridae) from Atlantic Spanish waters according to integrative taxonomy