Shorefishes of the Tropical Eastern Pacific Online Information System
Updated: 06/12/2008  
Version: 1.0.4.53  

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Species Information          
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    Sphoeroides  
Tetraodontiformes  -  Tetraodontidae  -  Sphoeroides  -  Sphoeroides angusticeps

Sphoeroides angusticeps

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narrow & concave between eyes
 
mid back - 2 black skin flaps + 2 dark blotches
 
 

     

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Sphoeroides angusticeps (Jenyns, 1842)


Narrow-headed puffer,     Skin-flap puffer,     Concave puffer


Body relatively elongate, the depth ~ 29% of SL;
 head large, blunt; narrow (14-22% of snout length) and concave between eyes; snout short; nasal organ a short papilla with 2 small holes at end; eyes large, high on sides of head, raised above head profile;  jaws are a strong beak composed of 4 fused heavy powerful teeth with a central suture on each jaw; a slit-like gill opening in front of the pectoral fin base; a single short- based dorsal fin at rear of body; a similar-shaped anal fin with origin under or behind last few dorsal rays; dorsal rays 7-8, anal rays 7; no pelvic fins; no spines in the fins; tail fin bluntly convex, with 10 main rays; tough scaleless skin,  most of body without small spinules, a pair of small black skin flaps straddling midline of back, just behind level of gill opening .

Tan to light brown with pale mottlings, white on belly;  iris and fins yellowish, basal portion of dorsal fin usually brown;  skin flaps on back black.


Size: attains 25 cm.

Habitat: usually encountered near the bottom in sandy areas.

Depth: 5-20 m.

Galapagos, with strays to Cocos and the coast of Ecuador,

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