Actinopteri (ray-finned fishes) > Acanthuriformes
(Surgeonfishes) > Chaetodontidae
Etymology: Prognathodes: Greek, pro = first, in front of + Greek, gnathos = jaw (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 60 - 230 m (Ref. 47838), usually 100 - 230 m (Ref. 47838). Tropical
Western Atlantic: known from several localities in the West Indies and ranging south to São Paulo, Brazil (Ref. 57756).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.6 cm TL male/unsexed; (Ref. 9626)
Inhabit steep offshore rocky reefs (Ref. 47838). Feed on sponges, filamentous algae and small crustaceans (Ref. 9626). Rarely seen except from submersibles below 100 m (Ref. 9710). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Form pairs during breeding (Ref. 205).
Allen, G.R., R. Steene and M. Allen, 1998. A guide to angelfishes and butterflyfishes. Odyssey Publishing/Tropical Reef Research. 250 p. (Ref. 47838)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: of no interest; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 14.1 - 23.8, mean 19.5 °C (based on 101 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01067 - 0.04484), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 2.9 ±0.27 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 vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .