Membras pygmaea Chernoff, Machado-Allison, Escobedo, Freiburger, Henderson, Hennessy et al., 2020

Family:  Atherinopsidae (Neotropical silversides), subfamily: Menidiinae
Max. size:  4.31 cm SL (male/unsexed)
Environment:  pelagic-neritic; marine
Distribution:  Western Atlantic: Honduras.
Diagnosis:  Anal spines: 1-1; Anal soft rays: 15-17; Vertebrae: 39-42. This species belonging to the M. martinica species-group, is distinguished from all congeners by the following characters: anus is positioned closer to the insertion of pelvic fin than the origin of anal fin; posterior margins of predorsal and lateral scales are smooth or slightly irregular, not laciniate; the least depth of caudal peduncle 6.7-8.5% SL; total gill raker of first arch 16-20, modally 18-19 (Ref. 123107).
Biology:  Collected on the coastal edge of the lagoon-salt marsh complex: a salt marsh with channels bordered by reeds and saw grass and the bottom peaty. Size at maturity at 2.4 cm SL (Ref. 123107).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.