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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).
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 ...
Otherwise, an option would be to leave it at "size", but with a footnote from where it says "size" in the header, that indicates that it is "size at maturity". --Tryptofish 17:56, 12 December 2017 (UTC) Fishbase tends to list maximum size, with question marks for size at maturity.
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 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.
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 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.
The giant African threadfin is, as its common name indicates, a large species of threadfin attaining a maximum total length of 200 centimetres (79 in), although the more common size is 150 centimetres (59 in). [2] It has a pointed snout and an almost straight dorsal profile on the head.