Issue
The species in the genera Spratelloides Bleeker, 1851 and Jenkinsia Jordan & Evermann, 1896 should most probably be assigned to a separated family from Clupeidae and Dussumieriidae (Lavoué, pers. comm., July 2013). See a preliminary analysis in Lavoué et al. (2013: Ref. 93878).
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser riff-verbunden; tiefenbereich 0 - 50 m (Ref. 188). Tropical; 28°N - 9°N, 93°W - 67°W (Ref. 188)
Western Central Atlantic: Gulf of Campeche; Bahamas, northwestern coast of Caribbean.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm SL Männchen/unbestimmt; (Ref. 188)
Rückenflossenstacheln (insgesamt): 0; Afterflossenstacheln 0. No teeth on pre-maxillae, 1 supra-maxilla; W-shaped pelvic scute; isthmus with distinct blunt `shoulders' anteriorly; vertebrae 38 (one fish); silver lateral band not fading away anteriorly. Lower gill raker counts correlated with geographical area: 24 to 28 for J. majua majua (Gulf of Mexico) and 21 to 24 for J. majua woodsi (Bahamas, northwestern Caribbean) (Whitehead, 1963).
Usually an inshore schooling species, feeding on zooplankton.
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kleinfischerei
Mehr Information
NamenSynonymeMetabolismusRäuberÖkotoxikologieFortpflanzungGeschlechtsreifeAblaichenSpawning aggregationFecundityEierEientwicklung
ReferenzenAquakulturAquakultur ProfilZuchtlinienGenetikElectrophoresesVererbbarkeitKrankheitenVerarbeitungNutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
123201): 25.2 - 28, mean 27.2 °C (based on 140 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.45 se; based on food items.
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).