Actinopteri (ray-finned fishes) > Ovalentaria/misc
(Various families in series Ovalentaria) > Pomacentridae
(Damselfishes) > Pomacentrinae
Etymology: Dischistodus: Greek, di = two + Greek, schistos = fissile stone, Plinius + Greek, odous = teeth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; non-migratory; depth range 1 - 5 m (Ref. 7247), usually - m (Ref. ). Tropical; 0°C - ; 21°N - 25°S, 108°E - 171°E
Western Central Pacific: Philippines to the GBR and Melanesia. Also reported from Malaysia (Ref. 5756).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 48636)
Adults inhabit lagoon reefs in areas of scattered live coral thickets interspersed with open areas of sand and dead coral (Ref. 4966). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Diurnal species (Ref. 113699).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 25.7 - 29.3, mean 28.6 °C (based on 1277 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00674 - 0.03244), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.0 ±0.00 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (29 of 100) .
Nutrients (Ref. 124155
): Calcium = 66 [37, 121] mg/100g ; Iron = 0.79 [0.52, 1.25] mg/100g ; Protein = 18.6 [17.6, 19.6] % ; Omega3 = 0.128 [0.081, 0.202] g/100g ; Selenium = 30.4 [16.1, 60.6] μg/100g ; VitaminA = 57 [18, 184] μg/100g ; Zinc = 1.81 [1.24, 2.61] mg/100g (wet weight);