Elops is a genus of marine ray-finned fish found worldwide, and the only extant member of the ancient family Elopidae. They are commonly known as ladyfish, skipjacks, jack-rashes, or tenpounders.
They are fished, but their bodies are bony, so these fish are not marketed widely for consumption. They are caught and used as bait or may be ground down for fish meal.[citation needed]
Taxonomy
The currently recognized extant species in this genus are:[1]
Excluding these fossil otoliths, the earliest fossil remains of Elops are known from the Early Oligocene of Germany.[5]
Phylogenetic analyses indicate that, in contrast to the ancient nature of the group, the modern species diversity within Elops originates from a relatively recent evolutionary radiation.[6]
Description
The ladyfish are a coastal-dwelling fish found throughout the tropical and subtropical regions, occasionally venturing into temperate waters.[7]Spawning takes place at sea, and the fish larvae migrate inland entering brackish waters. Their food is smaller fish and crustaceans (shrimp). Typically throughout the species, the maximum size is 1m (3.3ft) and the maximum weight 10kg (22lb). The body is fusiform (tapering spindle shape) and oval in cross-section; being slightly laterally compressed, and the eyes are large and partially covered with adipose eyelids.[citation needed]
Like those of eels, the larvae are leptocephalic - being highly compressed, ribbon-like, and transparent. After initial growth, they shrink and then metamorphose into the adult form.[citation needed]
↑ Adams, A. J., Horodysky, A. Z., McBride, R. S., Guindon, K., Shenker, J., MacDonald, T. C., Harwell, H. D., Ward, R., and Carpenter, K. Global conservation status and research needs for tarpons (Megalopidae), ladyfishes (Elopidae) and bonefishes (Albulidae). Fish and Fisheries (online, early view as of 2013). http://onlinelibrary.wiley.com/doi/10.1111/faf.12017/abstract
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