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Atheriniformes (Silversides) >
Atherinopsidae (Neotropical silversides) > Menidiinae
Etymology: Membras: Greek, membras, -ados = a kind of sardine (Ref. 45335); procera: Name from Latin 'procera' meaning long or slender, referring to the overall shape of this species; an adjective.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-neritic. Tropical
Western Central Alantic: Colombia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.7 cm SL hane/ej könsbestämd; (Ref. 123107)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 9; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 16 - 17; Ryggkotor: 41 - 42. This species belonging to the martinica species-group is distinguished from its congeners by the following characters: anus is between anal fin origin and pelvic fin insertion; tips of pelvic fins reaching the anterior margin of vent; posterior margins of predorsal and lateral scales are strongly laciniate; lateral scales 42-44; predorsal scales 20-22; length of spinous dorsal fin 8.5-9.5% SL; the least depth of caudal peduncle 7.3-8.6% SL (Ref. 123107).
Cross section: compressed.
The species was collected in open water, at night when lights were submerged below the
surface waters to 1 m off the R.V. Pilsbury. about 1 km offshore (Ref. 123107).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00238 - 0.01210), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.2 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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