Acanthuridae


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Acanthuridae

[ə‚kan′thu̇·rə·dē]
(vertebrate zoology)
The surgeonfishes, a family of perciform fishes in the suborder Acanthuroidei.

Acanthuridae

 

(tangs, surgeonfishes), a family of fishes of the order Perciformes. The Acanthuridae measure 15–60 cm in length. The body, extremely flattened laterally, is covered with tiny, coarse scales. Each side of the caudal stalk has one or two bony shields equipped with a pointed keel, spike, or sharp, movable knifelike spine. The spine, which is concealed under the skin, can be abruptly erected to wound enemies.

The family consists of nine genera, embracing 300 species. Many are brightly and fantastically colored. The genus Acanthurus lives in all oceans except the northern Arctic; the rest are distributed mainly near the coasts of Southeast Asia and western India. No species inhabit seas of the USSR. The Acanthuridae live in shallows near the bottom, most often among coral reefs and rocks. The larvae feed on plankton, and adults are mainly herbivorous. The flesh of the Acanthuridae is edible but of little commercial value. Some species are poisonous.

REFERENCE

Zhizn’ zhivotnykh, vol. 4, part 1. Moscow, 1971.
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In addition, the Scaridae, Acanthuridae, and Priacanthidae were concurrently among the five most important prey families by %IRI for both islands (Table 3).
The families Acanthuridae and Pomacentridae, with densities of 69.
Summer 2005 Crest Channel Family Genus Species net net Acanthuridae Acanthurus bahianus 1 0 Acanthurus chirurgus 5 0 Acanthurus coeruleus 10 0 Achiridae Achirus sp.
epinepheline serranids [large groupers], Lutjanidae, Lethrinidae, and Carangidae) and many Acanthuridae (surgeonfish) are long-lived, often with low rates of natural mortality and recruitment.
The yield was dominated by reef planktivores (85% Acanthuridae and Caesionidae).
The same trend was observed in six other families (Labridae, Holocentridae, Balistidae, Pomacanthidae, Acanthuridae, and Pomacentridae).