Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino pelagic-neritic. Tropical
Pacific Ocean: Hawaiian Islands.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 19.8 cm SL maschio/sesso non determinato; (Ref. 137577)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
A species of Etrumeus with dorsal rays 18 – 20; anal rays 9 – 11; pectoral rays 15 – 16 (usually 15); gill rakers 13 – 16 + 34 – 36 (total 48 – 51); branchiostegal rays 16; vertebrae 54 or 55; body depth 5.05 – 5.55 in SL; head length 4.05 – 4.15 in SL; eye larger than snout length, 2.85 – 3.25 in head length; interorbital width 4.6 – 5.15 in head length; dorsal fin near middle of body, the predorsal length 2.15 – 2.2 in SL; origin of pelvic fins about one-third eye diameter posterior to a vertical at rear base of dorsal fin; color in alcohol brown on upper half of body, abruptly silvery white below; front of snout dark brown dorsally; operculum silvery yellow with a dark blotch dorsally; fins translucent brownish yellow; color when fresh dark purplish blue dorsally, the scale centers silvery, shading to silvery lavender on sides and ventrally; head mainly black dorsally, especially anterior end of snout, silvery ventrally and over operculum; dorsal and caudal fins purple (Ref. 89185).
Body shape (shape guide): elongated; Cross section: compressed.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Randall, J.E. and J.D. DiBattista, 2012. Etrumeus makiawa, a new species of round herring (Clupeidae: Dussumierinae) from the Hawaiian Islands. Pacific Science 66(1):97-110. (Ref. 89185)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00724 (0.00307 - 0.01708), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (25 of 100). 🛈 |