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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    Selene  
Perciformes  -  Carangidae  -  Selene  -  Selene orstedii

Selene orstedii

All Families(148) All Genera(504) All Species(1287)
nape profile rounded

forehead straight, high
 
D & A filamentous lobes
 
 

pelvics not tiny
 
juvenile: D, A & pelvics filamentous
 
 

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Selene orstedii Lütken, 1880


Mexican moonfish,     Hairfin lookdown



Body pentagonal shape and strongly compressed; head very deep with nape profile rounded and very steep, straight forehead-snout profile; lower gill rakers (excluding rudiments) 14-17; dorsal rays VIII+I, 17-20, spines of dorsal fin short, with at least last one isolated; anal rays II+I, 17-20; dorsal and anal fin spines become embedded with age;  dorsal and anal fin lobes prolonged in adults; in juveniles front spines of dorsal and anal fins elongate and filamentous; pelvic fins elongate in juvenile, becoming very short in adults, anal spines filamentous; no isolated finlets after 2nd  dorsal and anal fins; pectoral long, curved; straight part of lateral line with poorly developed, small scutes (hard spiny scales); scales very small, imbedded in skin, body appears scaleless.


Overall silvery.

Size: attains 31 cm.

Habitat: demersal on sandy bottoms; juveniles common in estuaries.

Depth: 1-50 m.

Southern Baja and the mouth of the Gulf of California to Ecuador.

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