Actinopterygii (ray-finned fishes) > Tetraodontiformes
(Puffers and filefishes) > Diodontidae
Etymology: Cyclichthys: Greek, kyklos = round + Greek, ichthys = fish (Ref. 45335). More on authors: Leis & Randall.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 3 - 90 m (Ref. 30573). Tropical
Indo-West Pacific: Red Sea to South Africa and east to southern Japan, the Philippines, Australia and New Caledonia (Ref. 9680). Eastern Pacific: Galapagos Islands (Ref. 5227). Mediterranean: Israel (Ref. 43448).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 34.0 cm TL male/unsexed; (Ref. 9710)
Found in coastal waters in the vicinity of reefs (Ref. 9680). Lives in seagrass habitats and coastal slopes with sponges. Active during the night (Ref. 48637). Nocturnal and solitary (Ref. 9680), usually found under ledges during the day (Ref. 9710). Juveniles pelagic (Ref. 30573). Feeds on hard-shelled invertebrates (Ref. 9680). Not usually marketed (Ref. 9680).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Leis, J.M., 1986. Diodontidae. p. 903-907. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4423)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 22.1 - 29, mean 27.8 °C (based on 1622 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03162 (0.01342 - 0.07454), b=2.89 (2.68 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.41 se; based on food items.
Vulnerability (Ref. 59153
): Low vulnerability (18 of 100) .