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🌊 Marine Least Concern 🌡️ Tropical

Pennant coralfish

Heniochus acuminatus Linnaeus, 1758
Max Length
25 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
2–178 m
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
15 cm
Depth Zone
reef

📖 Overview

Inhabit deep, protected lagoons and channels, and the deeper parts of outer reef slopes. Juveniles are often solitary while adults occur in pairs . A planktivorous species that generally remains within a few meters of the reef. Juveniles may sometimes pick on parasites on the epidermis of other fish . Oviparous . Form pairs during breeding .

Scientific Name
Heniochus acuminatus
Authority
Linnaeus, 1758
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
25 cm
Depth Range
2–178 m
Latitude
35°S – 30°N
Trophic Level
3.8
Resilience
High
Vulnerability
25.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 22 - 27; Anal spines: 3; Anal soft rays: 17 - 19. : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Pennant coralfish is currently being reviewed.

🦐 Diet

Diet information for Pennant coralfish is currently being compiled.

🥚 Reproduction

Form pairs during breeding .

🌍 Habitat & Distribution

Marine; brackish; reef-associated; depth range 2 - 178 m , usually 15 - 75 m . Tropical; 30°N - 35°S South Africa, Madagascar, Seychelles, Mascarenes, St Brandon Shoals, Chagos, Maldives and Lakshadweep; elsewhere to Japan, Micronesia, Australia and French Polynesia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Trophic Level
3.8±0.37
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.02291 × L3.04 (TL)
Max TL
25cm
Dorsal Spines
12
Dorsal Rays
25
Anal Spines
3
Anal Rays
18

🌡️ 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
25.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
30°N – 35°S
Described By
Linnaeus, 1758

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Chaetodon acuminatus Linnaeus 1758 Synonym
Chaetodon bifasciatus Shaw 1803 Heterotypic
Chaetodon macrolepidotus Linnaeus 1758 Synonym
Chaetodon mycteryzans Gronow 1854 Synonym
Heniochus macrolepidotus Linnaeus 1758 Synonym
Taurichthys macrolepidotus Linnaeus 1758 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 39 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Pennant coralfish ↗
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