Actinopterygii (ray-finned fishes) > Tetraodontiformes
(Puffers and filefishes) > Diodontidae
Etymology: Diodon: Greek, di = two + Greek, odous = teeth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 1 - 90 m (Ref. 37816), usually 15 - 30 m (Ref. 9680). Tropical; 30°N - 30°S
Indo-Pacific: East Africa to the Society Islands, north to southern Japan, south to New South Wales. Not present in Hawaii (Ref. 9680). Southeast Atlantic: southeast coast of South Africa (Ref. 4423).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 65.0 cm TL male/unsexed; (Ref. 9710)
Inhabits reef edges and slopes (Ref. 6113, 48637). Hides in caves and ledges during the day and forages at night (Ref. 9680). Also found below plate-corals during the day and often deep, ranging to at least 40 meters depth. Juveniles occur in lagoons and estuaries (Ref. 48637). Solitary. Feeds on crustaceans and mollusks. Not usually marketed (Ref. 9680).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Reports of ciguatera poisoning (Ref. 30303)
Fisheries: minor commercial; aquarium: commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 24.7 - 29.1, mean 28.1 (based on 798 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03090 (0.01282 - 0.07451), 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 ±0.37 se; Based on food items.
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low to moderate vulnerability (30 of 100) .