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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 | |||