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The oscar (Astronotus ocellatus) is a species of fish from the cichlid family known under a variety of common names, including tiger oscar, velvet cichlid, and marble cichlid. [2] In tropical South America, where the species naturally resides, A. ocellatus specimens are often found for sale as a food fish in the local markets.
Wild capture of breeding stock also has a negative effect on the global population because all the groupers caught in any size category are kept and grown until they reach market size. As ciguatera toxin is common in brown-marbled groupers' flesh, this limits fishing of this species in some geographic areas.
A hybrid between a Bengal tiger and a Siberian tiger is an example of an intra-specific hybrid. Family Canidae. Fertile canid hybrids occur between coyotes, wolves, dingoes, jackals and domestic dogs. Hybrids of unknown fertility can occur between South American foxes of the Lycalopex genus and domestic dogs. Family Mustelidae
A red oscar that has died while showing HLLE. Head and lateral line erosion, (HLLE) or hole-in-the-head (HITH) is a disease in fish. Chronic ulcerative dermatopathy or chronic erosive dermatopathy are symptoms of similar conditions with different etiology.
Hydrocynus vittatus. Several species belonging to the genus Hydrocynus of the family Alestidae are referred to as "tigerfish", and are particularly prized as game fish.These African fish are found in many rivers and lakes on the continent and are fierce predators with distinctive, proportionally large teeth.
The tigerfish is silver in colour when young, with thin black horizontal stripes and an elongated body that tapers at both ends. As the fish grows, it will develop a bronze coloration and the stripes will fade. The ventral and caudal fins have a slight red-orange tint, and the adipose fin is grey to black.
Apr. 27—Warning signs were posted today after the sighting of a large tiger shark at an East Oahu beach park. A non-aggressive 10- to 12-foot tiger shark was seen 50 yards offshore at Waimanalo ...
Many color and tail pattern varieties exist. They generally need a ratio of 1 male to 2 females or more. All guppies and mollies are hardy fish that tolerate lower oxygen levels and temperatures than most aquarium fish, give birth to live young, and readily breed in home tanks. [58] can live in full sea water [59] 66 °F - 84 °F (19 °C - 29 °C)