IUCN threat status:

Data Deficient (DD)

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Description

  Common names: guitarfish (English), guitarra (Espanol)
 
Rhinobatos glaucostigma Jordan & Gilbert, 1883

Speckled guitarfish,     Slaty-spotted guitarfish

Body shark-like; snout moderately long (length before eyes 2.4 times width between spiracles), bluntly pointed, with 2 central relatively wide cartilaginous ridges, that are parallel & well separated throughout their length; spiracle with 2 rear folds, outer fold better developed; mouth straight; nostrils long, oblique, 1.6 in width of mouth, 1.3 in distance between nostrils; 2 large, triangular, equal-sized dorsal fins; first dorsal nearly twice as high as long, origin behind pectorals about same distance as that between the 2 dorsals; tail asymmetrical, without lower lobe; skin covered with minute denticles, smooth to touch; a series of small blunt spines along middle of back, a single group on each shoulder, a few above each eye and around spiracles.

Upper surface grey-brown, with symmetrically arranged blue-grey spots around eyes and on back; margins of pectorals and pelvics pale; a dark blotch and irregular dark patches under snout.

Size: 77 cm.

Habitat: shallow soft bottoms.

Depth: 0-50 m.

Southern Baja and the lower 2/3 of the Gulf of California to Peru.   

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© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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