Actinopteri (ray-finned fishes) > Eupercaria/misc
(Various families in series Eupercaria) > Caesionidae
(Fusiliers) > Caesioninae
Etymology: Caesio: Latin, caesius, bluish-grey, 1835; it is the same name given to the silvery metal (Cs) (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; non-migratory; depth range 2 - 25 m (Ref. 90102). Tropical; 29°N - 29°S, 32°E - 115°E
Indian Ocean: East Africa, including the Red Sea and the Arabian (Persian) Gulf, to western Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 402)
Inhabits deep lagoons and seaward reefs. Feeds on zooplankton in midwater aggregations. Forms schools with other caesionids. Oviparous, with numerous, small pelagic eggs (Ref. 402). Juveniles used as tuna bait fish.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Carpenter, K.E., 1987. Revision of the Indo-Pacific fish family Caesionidae (Lutjanoidea), with descriptions of five new species. Indo-Pac. Fish. (15):56 p. (Ref. 1723)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: minor commercial; bait: occasionally
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 26.7 - 29.3, mean 28 °C (based on 715 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00572 - 0.02903), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.45 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low to moderate vulnerability (30 of 100).
Nutrients (Ref. 124155
): Calcium = 45.7 [29.0, 83.3] mg/100g ; Iron = 0.772 [0.530, 1.084] mg/100g ; Protein = 19.3 [18.4, 20.2] % ; Omega3 = 0.148 [0.105, 0.207] g/100g ; Selenium = 40.3 [23.7, 61.8] μg/100g ; VitaminA = 71.7 [31.5, 163.9] μg/100g ; Zinc = 1.07 [0.80, 1.43] mg/100g (wet weight);