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They do well with live foods, such as baby brine shrimp, and the micrometre larval diets. They prefer water that is soft to moderately hard, slightly acidic ( pH 6.0–7.0), and with a temperature of 23–29 °C (73–84 °F).
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 (1.2–1.6 in) New Guinea rainbowfish: Melanotaenia affinis: 13 cm (5.1 in)
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 ...
The threadfin shad (Dorosoma petenense) is a small pelagic freshwater forage fish common in lakes, large streams and reservoirs of the Southeastern United States. Like the American gizzard shad , the threadfin shad has an elongated dorsal fin , but unlike the gizzard shad, its mouth is more terminal without a projecting upper jaw.
One of the most common sharks in the North American aquarium trade and does well in home aquaria as it will easily acclimate to captivity and will mate/reproduce in aquariums. [70] Juveniles may take a while to begin feeding if newly acquired. [70] Sometimes called the Banded catshark. [70] 132 cm (52.0 in) [146] Epaulette shark: Hemiscyllium ...
The king threadfin is a large threadfin which can attain a maximum total length of 170 centimetres (67 in) and a maximum published weight of 45 kilograms (99 lb), although the more common total length is 48 centimetres (19 in). [1] It has a pointed snout and the dorsal profile of the head is almost flat in young fish and concave in adults.
The African pompano (Alectis ciliaris), also known as the pennant-fish or threadfin trevally, is a widely distributed species of tropical marine fish in the jack family, Carangidae. The species is found in tropical waters worldwide, with adults often inhabiting coastlines , while juveniles are usually pelagic , floating with ocean currents .
The royal threadfin is a medium-sized threadfin species reaching a maximum total length of 35 centimetres (14 in), although a more normal length is 25 centimetres (9.8 in). [2] It has two separate dorsal fins, the first dorsal fin has 8 spines and the second dorsal fin has a single spine and 14 or 15 soft rays.