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> Atheriniformes (Silversides) > Atherinopsidae (Neotropical silversides) > Menidiinae
Etymology: Membras: Greek, membras, -ados = a kind of sardine (Ref. 45335); pygmaea: Name from Latin 'pygmaea' meaning little or dwarf, referring to its diminutive size; an adjective..

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser. Tropical

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Western Atlantic: Honduras.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 4.3 cm SL Männchen/unbestimmt; (Ref. 123107)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Afterflossenstacheln: 1; Afterflossenweichstrahlen: 15 - 17; Wirbelzahl: 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).

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).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Chernoff, B., A. Machado-Allison, J. Escobedo, M. Freiburger, E. Henderson, A. Hennessy, G. Kohn, N. Neri, A. Parikh, S. Scobell, B. Silverstone and E. Young, 2020. Two new miniature silverside fishes of the genus Membras Bonaparte (Atheriniformes, Atherinopsidae) from the Tropical North Atlantic Ocean. Zootaxa 4852(2):191-202. (Ref. 123107)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Trophic level (Ref. 69278): 3.1 ±0.2 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Membras pygmaea ChernoffMachado-AllisonEscobedoFreiburgerHendersonHennessy et al., 2020