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Most are active carnivores, feeding on crustaceans or other fish, [3] though a few are plankton-feeders. They can be kept in aquaria , but mostly grow too fast to be popular aquarium fish. Most species live at depths reaching 100 m (330 ft) near coral reefs, but some species are found up to 500 m (1,600 ft) deep.
Most active at night, it feeds on any available food, including invertebrates and insects when small, then fish and other small vertebrates when large. It scavenges off large carcasses and offal from riverside villages. It can live for 12 or more years. [2] The vundu can survive out of water for extensive periods of time. [4]
World capture fisheries and aquaculture production by species group [1] This is a list of aquatic animals that are harvested commercially in the greatest amounts, listed in order of tonnage per year (2012) by the Food and Agriculture Organization. Species listed here have an annual tonnage in excess of 160,000 tonnes.
Lutjanus sebae is a predatory fish which feeds on different fish, benthic crustaceans and cephalopods. It aggregates into schools with similar sized individuals or they will be solitary. This is a slow growing species, off the Seychelles, the mean age of first sexual maturity for both males and females was estimated at 9 year old.
According to the Guinness Book of World Records, the sinarapan, also a goby, is the world's smallest commercially harvested fish. [62] Found in the Philippines , they have an average length of 12.5 mm (0.49 in), and are threatened by overfishing .
More than 99 percent of all species, amounting to over five billion species, [7] that ever lived on Earth are estimated to be extinct. [8] [9] Estimates on the number of Earth's current species range from 10 million to 14 million, [10] of which about 1.2 million have been documented and over 86 percent have not yet been described. [11]
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Most archerfish live in freshwater streams, ponds and wetlands, but two or three species are euryhaline, inhabiting both fresh and brackish water habitats such as estuaries and mangroves. [ 1 ] [ 2 ] They can be found from India , Bangladesh and Sri Lanka , through Southeast Asia , to Melanesia and Northern Australia .