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Superregnum : Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Euteleosteomorpha
Subcohors: Neoteleostei
Infracohors: Eurypterygia
Sectio: Ctenosquamata
Subsectio: Acanthomorphata
Divisio/Superordo: Acanthopterygii
Subdivisio: Percomorphaceae
Series: Eupercaria
Ordo: Perciformes
Subordo: Percoidei
Superfamilia: Percoidea

Familia: Caesionidae
Genera (4): CaesioDipterygonotusGymnocaesioPterocaesio

Caesionidae Bonaparte, 1832


Froese, R. and D. Pauly. Editors. 2006. FishBase, version (02/2006). [1]

Vernacular names
Afrikaans: Piesangvisse
Deutsch: Füsiliere
English: Fusilier fishes
Nederlands: Fuseliers
polski: cesjowate
Tagalog: Dalagang-bukid

Caesionidae, the fusiliers, are a family of marine ray-finned fishes in the order Perciformes. The family includes about 23 species. They are related to the snappers, but adapted for feeding on plankton, rather than on larger prey. They are found at reefs in the Indo-Pacific and in the Red Sea.


Caesionidae was named by the French zoologist Charles Lucien Bonaparte in 1831.[1] The family takes its name from the genus Caesio which was named in 1801 by Bernard Germain de Lacépède, the name derived from caesius meaning “blue”, as the type species of Caesio is the blue and gold fusilier (Caesio caerulaurea).[2] They are sometimes divided into two subfamilies, the Caesioninae containing the genera Caesio and Pterocaesio and the monotypic genera Dipterygonotus and Gymoceasio in the Gymnocaesoninae.[3] Some authorities place the fusiliers within the family Lutjanidae, the snappers, even going as far as placing the within the subfamily Lutjaninae.[4] The 5th edition of Fishes of the World, however, retains it as a separate family while acknowledging the close relationship to the snappers but states that more morphological and molecular studies are required to ascertain its true status.[5]

The following genera are classified within the family Caesionidae:[6]

Caesio Lacépède, 1801
Dipterygonotus Bleeker, 1849
Gymnocaesio Bleeker, 1876
Pterocaesio Bleeker, 1876


Caesionidae fusiliers have cylindrical and streamlined bodies,[7] with an oblong or fusiform shape and which are laterally flattened. Their shape is similar to the closely related Lutjaninae snappers. A line drawn along the body from the snout to the centre of the tail would pass through the eye. They have small, protrusible mouths with small teeth in the jaws and there may or may not be teeth on the other parts of the mouth. They have a deeply forked caudal fin with angular tips to the lobes. The dorsal and anal fins are quite evenly sloped from the front to the back, except that in Dipterygonotus they are not evenly sloped and some dorsal spines are nearly separate. The dorsal fins have 10-15 thin spines and 8-22 soft rays while the anal fin contains 3 spines and 9-13 soft rays. The pelvic fins have a single spine and 5 soft rays while the pectoral fins contain 16-24 rays.[8] They can attain a length of up to 60 cm (24 in), though most species only reach about half that length.[7] In most species the dorsal and anal fins have scales. Fusiliers do my have stripes on the flanks, some species have black markings on their tails but in all species the axil of the pectoral fins is black.[8]
Distribution and habitat

Caesionidae are found in the Indo-Pacific region.[6] Fusiliers are mainly fishes of coral reefs and occur from close to the surface down as far as 60 m (200 ft).[8]

Caesionidae are schooling fish, often in mixed species aggregations with other fusiliers.[8] The extensible upper jaws.are adapted for picking zooplankton.[7] Fusiliers are diurnal, they spend the day feeding in large aggregations in middle of the water column over reefs, along steep outer reef slopes and around pinnacles in deep water in lagoons. The are active swimmers but often pause to feeds or to visit the stations of cleaner fish. They shelter in the reef during the night.[6]

Caesionidae fishes are highly important species for coral reef fisheries, these fisheries use drive-in nets to catch fusiliers. Typically they are sold as fresh fish but they may also be fermented to make fish paste.[8] They are also caught by tuna fishers for use as bait.[6]


"Caesionidae". Integrated Taxonomic Information System. Retrieved 26 April 2008.
Carpenter, K.E. (1987) "Revision of the Indo-Pacific fish family Caesionidae (Lutjanoidea), with descriptions of five new species." Indo-Pacific Fishes (15):56

Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of Recent fishes". Zootaxa. 3882 (2): 001–230.
Christopher Scharpf & Kenneth J. Lazara, eds. (5 January 2021). "Order LUTJANIFORMES: Families HAEMULIDAE and LUTJANIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 3 July 2021.
Henry C. Schultz III. "It's Your Aquarium: Don't Make That Snap Decision; Be Fussy About Its Inhabitants: The Family Caesionidae". Fish Tales. Reefkeeping. Retrieved 5 July 2021.
Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Lutjanidae". Catalog of Fishes. California Academy of Sciences. Retrieved 2 July 2021.
J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 457–458. ISBN 978-1-118-34233-6.
Froese, Rainer, and Daniel Pauly, eds. (2021). "Caesionidae" in FishBase. February 2021 version.
Johnson, G.D.; Gill, A.C. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. p. 184. ISBN 0-12-547665-5.
K.E. Carpenter (2001). "Caesionidae". In Carpenter, K.E. & Volker H. Neim (eds.). The Living Marine Resources of the Western Central Pacific Volume 5: Bony fishes part 3 (Menidae to Pomacentridae) (PDF). FAO Species Identification Guide for Fishery Purposes. FAO Rome. p. 2919.

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