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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    Poeciliopsis  
Cyprinodontiformes  -  Poeciliidae  -  Poeciliopsis  -  Poeciliopsis elongata

Poeciliopsis elongata

All Families(148) All Genera(504) All Species(1287)
  D: I, 7-9, long & pointed in male
 
flank: 8-10 faint bars
 

gill rakers: 29-32
 
  male: sex organ no hooks, tip straight
 

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Poeciliopsis elongata (Günther, 1866)


Elongate toothcarp


Head profile slightly convex; relatively wide mouth; jaw teeth very small, nearly indistinguishable on posterior part of upper jaw; 29-32 gill rakers; dorsal I,7-9 (usually 8) long and pointed in male; anal II, 6-7; pectoral usually reaching to middle of pelvic fin; pelvic rays 7 & 8 distorted, converging or in contact at midlength; male sex organ a tube on left side formed by folded anal fin rays, long (reaches to or nearly to the base of the tail fin) and slender, spines or hooks near its tip; scales large, smooth, 28-33 along mid-side.

Olive brown on back, silvery on sides, yellowish on belly; often with 8-10 faint darkish crossbars on flanks of rear ¾ of body, rarely with black speckling or mottling; fins plain.

Size: grows to 15 cm.

Habitat: forms large aggregations amongst mangroves in estuaries and brackish river mouths.

Depth: 0-2 m.

Costa Rica and Panama.

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