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Prognathodes aya  (Jordan, 1886)

Bank butterflyfish
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Native range | All suitable habitat | Point map | Year 2100
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Prognathodes aya   AquaMaps   Data sources: GBIF OBIS
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Image of Prognathodes aya (Bank butterflyfish)
Prognathodes aya
Picture by Dubosc, J.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Chaetodontidae (Butterflyfishes)
Etymology: Prognathodes: Greek, pro = first, in front of + Greek, gnathos = jaw (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 20 - 170 m (Ref. 47838), usually 45 - 170 m (Ref. 47838).   Subtropical; 36°N - 20°N

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Central Atlantic: North Carolina and northeastern Gulf of Mexico to Yucatan in Mexico; unknown in Bahamas and Antilles.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 7251)

Short description Morphology | Morphometrics

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 17-20; Anal spines: 3; Anal soft rays: 14 - 16. Broad dark bar slopes down and backward from middle of spiny dorsal fin to base of rear part of anal fin (Ref. 26938).

Biology     Glossary (e.g. epibenthic)

Inhabit deep offshore reefs (Ref. 4858). Rarely seen by divers (Ref. 4858). 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).

Main reference Upload your references | References | Coordinator | Collaborators

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. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: commercial
FAO(Publication : search) | FishSource |

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 18 - 27.2, mean 23.3 (based on 89 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01082 - 0.04423), b=3.02 (2.85 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (12 of 100) .