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Pennant coralfish (Heniochus acuminatus) fish species and information / pictures of Pennant coralfish - Heniochus acuminatus

Pennant coralfish (Heniochus acuminatus) fish species information

Scientific Name
Heniochus acuminatus

Common Name
Pennant coralfish

Biology
Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 22-27; Anal spines: 3; Anal soft rays: 17 - 19. Distinguished from the very similar H. diphreutes by the longer snout, rounder shape and longer and more angular anal fin (Ref. 48636).

Classification

Classified By

Linnaeus, 1758

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Butterflyfishes (Chaetodontidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: East Africa and Persian Gulf to the Society Islands, north to southern Japan, south to Lord Howe Island. Throughout Micronesia.

Range

30°N - 35°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

2 m

Depth To - meters

75 m

Zone

reef-associated

Environment

Marine; brackish; reef-associated; depth range 2 - 75 m (Ref. 1602), usually 15 - 75 m (Ref. 9710)

Trophic Level

3.45 s.e. 0.41 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

25.0 cm

Common Length

15.0 cm

Phylogenetic Diversity Index

PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquarium: commercial

Vulnerability

Low vulnerability (20 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)