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Membras pygmaea ChernoffMachado-AllisonEscobedoFreiburgerHendersonHennessy et al., 2020

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drawing shows typical species in Atherinopsidae.

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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 生態学

海. Tropical

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Western Atlantic: Honduras.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 4.3 cm SL オス/雌雄の選別がない; (Ref. 123107)

簡単な記述 検索表 | 形態学 | 形態計測学

肛門の骨: 1; 臀鰭: 15 - 17; 脊つい: 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).

生物学     用語集 (例 epibenthic)

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 | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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のレッドリストの状況は (Ref. 130435)

  評価されなかった 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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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].
栄養段階 (Ref. 69278):  3.1   ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).