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The Elopidae are a family of ray-finned fish containing a single living genus Elops.They are commonly known as ladyfish, skipjacks, jack-rashes, or tenpounders.. The ladyfish are a coastal-dwelling fish found throughout the tropical and subtropical regions, occasionally venturing into temperate waters. [3]
Pacific ladyfish are pelagic, marine forms preferring either brackish or fresh water unless they are breeding. They prefer specific water depths of no more than 8 m (26 ft). Little is known about the ecology of this species, but they are known to be highly carnivorous, feeding on smaller fish and crustaceans. [ 2 ]
It is often confused with the West African ladyfish, Elops lacerta, and can be distinguished only by the number of gill rakers on the lower part of the first gill arch, and the number of scales on the lateral line. [1] The Senegalese ladyfish grows to a maximum total length of 90 cm and a maximum weight of 5.9 kg. [1]
The West African ladyfish (Elops lacerate) is a species of ray-finned fish in the family Elopidae. It is native to the coastal waters of the eastern Atlantic Ocean, from Senegal to Angola. It is also known as the Guinean ladyfish. Some have been known to grow to 20 lb (9.1 kg). [3]
The hot zone is just above the heater; the opposite zone, the cold zone, is where the live food and the water bowl would be placed. A substrate between the pad and the tank is necessary, as is a thermostat or rheostat to prevent it from overheating and burning the animals. Malfunction in an under tank heater could result in higher temperatures ...
The largest member of this order, best known for its members' ability to breach the water and glide through the sky, is the pelagic Houndfish (Tylosurus crocodilus), a slender fish at up to 1.5 m (4.9 ft) and a weight of 6.35 kg (14.0 lb). [83]
Removal of piscivorous fish can change lake water from clear to green by allowing phytoplankton to flourish. [24] In the Eel River, in Northern California, fish (steelhead and roach) consume fish larvae and predatory insects. These smaller predators prey on midge larvae, which feed on algae. Removal of the larger fish increases the abundance of ...
Ram ventilation [11] is the process in which at higher speeds, the remora uses the force of the water moving past it to create movement of fluid in the gills. At lower speeds, the remora will use a form of active ventilation, [ 11 ] in which the fish actively moves fluid through its gills.