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Threadfin rainbowfish do well in aquariums of 20 US gallons (76 L), however 30 US gallons (110 L) is preferred. They are best housed in a "species only" tank; meaning that the tank is reserved for the Threadfins alone. Because of their tiny mouths, they can be difficult to feed.
Ranging in length from 11 cm (4.5 in) in the dwarf threadfin (Parapolynemus verekeri) to 2 m (6.6 ft) in fourfinger threadfin (Eleutheronema tetradactylum) and giant African threadfin (Polydactylus quadrifilis), threadfins are both important to commercial fisheries as a food fish, and popular among anglers. Their habit of forming large schools ...
Size Remarks Tank size Temperature range pH range Water Hardness Bleher's rainbowfish: Chilatherina bleheri: 12 cm (4.7 in) Red rainbowfish: Glossolepis incisus: 9–13 cm (3.5–5.1 in) Almost all rainbowfish species are bred in captivity and wild populations may be protected. [66] Threadfin rainbowfish: Iriatherina werneri: 3–4 cm (1.2–1. ...
Also known as golden wrasse, golden rainbowfish, and canary wrasse; scientific name halichoeres chrysus. Maximum length: 5.5 inches Wild habitat: Australia, Indonesia.
Rainbowfish usually eat floating flakes in captivity, because in the wild they will often eat insects floating on the surface. In a home setting, these fish need well-oxygenated water with a pH level of 6.8 – 7.2, optimal temperatures varying between 72 and 82 °F (22 and 28 °C), and plenty of aquatic plants to give them hiding places amid ...
Polydactylus plebeius is a medium-sized threadfin which attains a maximum total length of 45 centimetres (18 in) but is more commonly 30 centimetres (12 in). [1] It has a pointed snout and the dorsal profile of the head is nearly straight.
Lethrinus genivittatus, the longspine emperor, threadfin emperor, lance emperor or lancer, [2] is a species of fish in the genus Lethrinus, and family Lethrinidae. [3] It was first described by Achille Valenciennes in 1830. The IUCN classifies it as being of least concern. [1] It lives in marine and brackish water and is native to the Indo-West ...
Nemipterus threadfin breams are important targets for commercial and artisianal fisheries throughout their range. The main gear used to catch them is bottom trawl or by handline, but fishers will also use longlines , gill nets , lift nets , surrounding nets, drive-in nets, fish stakes and fish traps .