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Parexocoetus mento

 

 

EXOCOETIDAE
flying fishes

  Parexocoetus mento
(Valenciennes, 1846)

Relevant synonyms
None

Misidentification in use
Parexocoetus brachypterus

Meristic formula
D, 9-12; A, 10-12; P, 13-14; V, 6; GR, 27-30

 photo : Philip C.  Heemstra    

SHORT DESCRIPTION
Body elongated, compressed anteriorly becoming round posteriorly. Dorsal fin posterior in position, longest ray reaching caudal fin base. Anal fin base opposite dorsal fin base. Caudal fin deeply forked, lower lobe much longer than upper one. Pelvic fin origin close to midpoint. Pectoral fin long but not reaching beyond anal fin base. Large eyes. Upper jaw protruding. Cycloid scales, deciduous and easily detachable.

color : back dark blue with silvery white belly. Dorsal fin dark, other fins grey.

size : common 7-10 cm (max. 12 cm).

DISTINGUISHING CHARACTERISTICS
Other Exocoetidae spp: pectoral fin reaching back beyond anal fin base. Upper jaw not protrusible.

BIOLOGY / ECOLOGY
Schooling species. When threatened, capable of leaping out of the water and gliding for long distance. Feeds on zooplankton. Entire egg surface with filaments. Unlike most confamilies, juveniles have no barbels on chin.

habitat : epipelagic inshore.


1st MEDITERRANEAN RECORD
Palestine, 1935.


DISTRIBUTION
Worldwide : wide Indo-Pacific from the Red Sea to Fiji. Mediterranean : recorded first from Palestine (Bruun, 1935); successively recorded in Rhodes (Tortonese, 1938); Libya (Ben-Tuvia, 1966) and Albania (Parin, 1986).

ESTABLISHMENT SUCCESS
Prevalent.

speculated reasons for success :
unknown.


MODE OF INTRODUCTION
Via the Suez Canal.


IMPORTANCE TO HUMANS
Caught occasionally in purse seine but, due to its relatively small size, its commercial importance is negligible.


KEY REFERENCES

  • Bruun A.F., 1935. Parexocoetus, a Red Sea flying fish in the Mediterranean. Nature, 136:553.

FEEDBACK / COMMENTS TO AUTHORS



Last update of the species sheet:
March 2001

©ciesm 2002