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

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Species Information          
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Perciformes  -  Serranidae  -  Diplectrum  -  Diplectrum maximum

Diplectrum maximum

All Families(148) All Genera(504) All Species(1287)

operculum: dark blotch

preopercular spur: narrow, pointed, 4-8 spines
  A 2nd spine ~ 3rd


Diplectrum maximum Hildebrand, 1946

Greater sand-perch,     Torpedo sand-perch

Body elongate, moderately compressed; angle of preopercle a narrow, round-pointed bony spur with 4-8 large spines, width of spur < height of rest of rear border of preopercle; snout and between eyes scaleless; lateral line complete; scales moderately small, rough; lower jaw strongly projecting, tip joins forehead profile; 17-21 gill rakers; dorsal X, 12; anal III, 7 rays, 2nd  spine about same length as 3rd; tail concave; 48-50 lateral line scales, 10-13 vertical rows scales on cheek.

Upper 2/3 of head and body dark greybrown, shading to white belly, throat, chest and under mouth; a large dark blue-grey blotch on upper operculum; dorsal with bluegrey basal band, middle red-brown band, outer bluegrey band, margin red brown; tail dark greybrown, anal pale grey, pelvic dark grey; pectoral translucent yellowish brown.

        Size: 37 cm.

        Habitat: sand and mud bottoms.

Depth: 1-130 m.

        Central California to the mouth of the Gulf of California to Peru.

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