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🌊 Marine Least Concern 🌡️ Tropical

French butterflyfish

Prognathodes guyanensis Durand, 1960
Max Length
13.6 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
60–230 m
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
Depth Zone
reef

📖 Overview

Inhabit steep offshore rocky reefs . Feed on sponges, filamentous algae and small crustaceans . Rarely seen except from submersibles below 100 m . Oviparous . Form pairs during breeding .

Scientific Name
Prognathodes guyanensis
Authority
Durand, 1960
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
13.6 cm
Depth Range
60–230 m
Trophic Level
2.9
Resilience
High
Vulnerability
15.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 13; Dorsal soft rays (total): 20; Anal spines: 3; Anal soft rays: 15. : short and / or deep.

🌀 Behaviour

Behavioural data for French butterflyfish is currently being reviewed.

🦐 Diet

Diet information for French butterflyfish is currently being compiled.

🥚 Reproduction

Form pairs during breeding .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 60 - 230 m , usually 100 - 230 m . Tropical West Indies and ranging south to São Paulo, Brazil (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.9±0.27
Food Items

sponges, filamentous algae and small crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.02239 × L3.01 (TL)
Max TL
13.6cm
Dorsal Spines
13
Dorsal Rays
20
Anal Spines
3
Anal Rays
15

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Durand, 1960

🌐 Names & Taxonomy

Language Common Names
🇬🇧English French Butterflyfish · Guyana Butterflyfish · Threeband Butterflyfish
🇩🇰Danish Fransk fanefisk
🇯🇵Japanese Tasuki-chochouo

Scientific Synonyms

Scientific Name Author Year Status
Chaetodon goniodes Woods 1961 Synonym
Chaetodon guyanensis Durand 1960 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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