Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Carangidae (Jacks and pompanos) > Caranginae
Etymology: Megalaspis: Greek, megas, megalos = great + Greek, aspis,-idos = shield (Ref. 45335).
Environment / Climate / Range
Ecology
Marine; brackish; reef-associated; depth range 20 - 100 m (Ref. 28016). Tropical, preferred 27°C (Ref. 107945); 47°N - 22°S, 40°E - 156°E (Ref. 54577)
Indo-West Pacific: East Africa to Japan and Australia.
Length at first maturity / Size / Weight / Age
Maturity: Lm 22.0  range ? - ? cm
Max length : 80.0 cm TL male/unsexed; (Ref. 3287); common length : 45.0 cm TL male/unsexed; (Ref. 5450); max. published weight: 4.0 kg (Ref. 4883)
Adults are primarily oceanic, pelagic schooling species rarely seen on reefs (Ref. 48635, 90102). They feed mainly on fishes (Ref. 5213). Generally marketed fresh (Ref. 5284).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: highly commercial
Tools
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.01203 - 0.01512), b=2.94 (2.91 - 2.97), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
Trophic Level (Ref.
69278): 3.9 ±0.64 se; Based on food items.
Resilience (Ref.
69278): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.13(?)-0.35;).
Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100) .