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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    Microphis  
Gasterosteiformes  -  Syngnathidae  -  Microphis  -  Microphis brachyurus lineatus

Microphis brachyurus lineatus

All Families(148) All Genera(504) All Species(1287)
snout very long, slender

dark stripe through head
 
D long base, 37-54
 
 

operculum: longitudinal ridge + several oblique ridges
 
  A: tiny, 4

C small, black
 

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Microphis brachyurus lineatus (Kaup, 1856)

Opossum pipefish

Head long (15-22% of SL), without spines; snout very long (50-67% of head length), slender (~ 11% of snout length), straight; mouth strongly oblique, rising above tip of snout; well developed horizontal ridge across center of operculum, with several oblique ridges below it;  ridges along upper side of body and of tail not joined; ridge on midside of body joins ridge on lower side of tail; lower body ridge ends at level of anus, ridges spiny in juveniles, +/- small spines in adults; trunk rings 17-21, tail with 20-26 rings; oval plates between body rings without longitudinal keels; brood pouch under trunk, with vertical plates that are not folded;  dorsal fin long, 37-54 rays, origin on trunk; pectoral broad base, short fin, central rays shorter than outer rays, 17-23 rays; anal fin tiny, 4 rays; tail fin small, 9 rays.

Brownish grey; dark stripe along snout, through eye, across operculum and along upper back to dorsal fin; dorsal fin with brown vertical streaks between rays; tail fin blackish.



        Size: 19.5 cm.

Habitat: estuaries and freshwater.

Depth: shallow 0-10 m.

        A West Atlantic species that has passed through the Panama Canal to Panama Bay and spread westward to Costa Rica.

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