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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]
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.
The fish were observed to often have one of their pectoral fins in sediment and another one on a rock in order to make it seem as though they were wedged between two substrates. The average oxygen concentration was found to be about 1.59 mL/L at the depths they were found and the average temperature was about 1.68 °C.
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 .
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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 .
Maylandia estherae (the Red Zebra mbuna, Red Zebra Cichlid, or Esther Grant's Zebra) is a haplochromine cichlid.It is a rock dwelling fish or mbuna from Lake Malawi.This fish, like most cichlids from Lake Malawi, is a mouthbrooder - females hold their fertilized eggs then fry in their mouths until they are released after about 21 days.