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 / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 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.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 5.5 cm SL αρσενικό/απροσδιόριστο; (Ref. 188)
Ραχιαίες άκανθες (συνολικά) : 0; Εδρικές άκανθες: 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).
Body shape (shape guide): elongated; Cross section: oval.
Usually an inshore schooling species, feeding on zooplankton.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: παραδοσιακή αλιεία
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 25.2 - 28, mean 27.2 °C (based on 140 cells).
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5664 [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).
Τροφικό Επίπεδο (Αναφ.
69278): 3.4 ±0.45 se; based on food items.
Ελαστικότητα (Αναφ.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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