Caesio és un gènere de peixos teleostis que pertany a la família dels cesiònids.
Són peixos fusiformes de talla mitjana i sovint de colors vius. Totes les espècies es troben a la conca Indo-Pacífica. Llurs hàbitats preferits són a la vora dels esculls de corall on viuen en moles.
Caesio és un gènere de peixos teleostis que pertany a la família dels cesiònids.
Caesio is a genus of marine ray-finned fish, fusiliers belonging to the family Caesionidae. They are native to the Indian Ocean and the western Pacific Ocean, although one species has invaded the eastern Mediterranean Sea through the Suez Canal by Lessepsian migration.
Caesio was created in 1801 by the French naturalist Bernard Germain de Lacépède when he described Caesio caerilaurea. In 1876 the Dutch ichthyologist Pieter Bleeker designated C. caerulaurea as the type species of the genus Caesio.[1] The genus name, Caesio, means ”blue”.[2]
Currently, 9 species in this genus are recognized,[3][4] organised into three subgenera according to some authorities:[2]
Caesio fusiliers have a reasonably high, fusiform and elongate body which is moderately laterally compressed. They have a continuous dorsal fin which has 10 spines, all of which are connected by membranes and have 13-16 soft rays. The anal fin has 3 spines and 10-13 soft rays. Both these fins have scales. The pectoral fins have 17 -23 rays. They may be plain or have one or more horizontal stripes and there may be black markings on the tail, typically black spots on the tips of the lobes or black lines in the middle of lobes.[5]
Caesio fusiliers are found in coastal areas of the Indian and Pacific Oceans, including the Red Sea.[5] One species, C. varilineata has been recorded in the eastern Mediterranean, probably having reached there through the Suez Canal as a Lessepsian migrant.[6] They are mainly found on coral reefs.[5]
Caesio fusiliers are sociable Fishes which aggregate in schools, frequently forming mixed species schools with other fusilier species. These fish have a diet dominated by zooplankton from midwater while in their schools. They attain sexual maturity quickly and the females have high fecundity. They lay numerous small, pelagic eggs and spawning occurs throughout much of the year. Spawning aggregations form at periods determined by lunar cycles.[5]
Caesio fusiliers are of some importance to inshore fisheries. They are taken using drive-in nets, gili nets, traps, trawls, and handlines. The catch is sold as fresh fish or preserved as salted fish. The juveniles of some species are caught to be used as bait in tuna fisheries.[5]
Caesio is a genus of marine ray-finned fish, fusiliers belonging to the family Caesionidae. They are native to the Indian Ocean and the western Pacific Ocean, although one species has invaded the eastern Mediterranean Sea through the Suez Canal by Lessepsian migration.
Caesio es un género de peces de la familia Caesionidae, del orden Perciformes. Este género marino fue descrito por primera vez en 1801 por Bernard Germain de Lacépède.
Especies reconocidas del género:[1][2]
Caesio es un género de peces de la familia Caesionidae, del orden Perciformes. Este género marino fue descrito por primera vez en 1801 por Bernard Germain de Lacépède.
Caesio est un genre de poissons osseux de la famille des Caesionidés.
Selon FishBase (1 avril 2015)[2] et World Register of Marine Species (1 avril 2015)[3] :
Caesio est un genre de poissons osseux de la famille des Caesionidés.
Caesio (Lacépède, 1801) è un genere di pesci ossei marini appartenenti alla famiglia Caesionidae[1].
Il genere è endemico dell'Indo-Pacifico tropicale[2].
Vivono nei pressi delle barriere coralline dove fanno vita semipelagica notando in acque libere sopra alle formazioni coralline[2].
Hanno corpo affusolato fusiforme, con pinna caudale profondamente forcuta e lobi appuntiti. Le pinne dorsale e pinna anale hanno raggi spinosi morbidi e sono parzialmente ricoperte di scaglie. La bocca è piccola ma può allungarsi a tubo, è armata di denti piccoli. Occhi abbastanza grandi. La livrea è varia, di solito azzurro vivo di base con macchie, aree e striature spesso giallo oro ma anche di altri colori[3].
Sono pesci di taglia media, la specie di dimensioni maggiori è Caesio cuning che raggiunge 60 cm[2].
Sono pesci agili, forti nuotatori che vivono in banchi e la notte si nascondono negli anfratti dei coralli assumendo una colorazione smorta[2].
Sono planctofagi[2].
Alcune specie sono importanti pesci da consumo[2].
Il genere comprende 9 specie:[2]
Caesio (Lacépède, 1801) è un genere di pesci ossei marini appartenenti alla famiglia Caesionidae.
Caesio is een geslacht van straalvinnige vissen uit de familie van Caesionidae, orde baarsachtigen (Perciformes), die voorkomen in de Grote en Indische Oceaan.
Caesio is een geslacht van straalvinnige vissen uit de familie van Caesionidae, orde baarsachtigen (Perciformes), die voorkomen in de Grote en Indische Oceaan.
Caesio Lacépède, 1801
Цезии (лат. Caesio) — род морских пелагических лучепёрых рыб из семейства цезионовых (Caesionidae) отряда окунеобразных. Они встречаются в Индийском океане и западной части Тихого океана.
В настоящий момент в род включается 9 видов:[1][2]
Цезии (лат. Caesio) — род морских пелагических лучепёрых рыб из семейства цезионовых (Caesionidae) отряда окунеобразных. Они встречаются в Индийском океане и западной части Тихого океана.
