Pyramid butterflyfish (Hemitaurichthys polylepis) fish species and information / pictures of Pyramid butterflyfish - Hemitaurichthys polylepis

Pyramid butterflyfish (Hemitaurichthys polylepis) fish species information

Scientific Name
Hemitaurichthys polylepis

Common Name
Pyramid butterflyfish

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 23-26; Anal spines: 3; Anal soft rays: 19 - 21. Readily identified by unusual coloration (Ref. 48636).

Classification

Classified By
Bleeker, 1857
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Butterflyfishes (Chaetodontidae)

Distribution

Region
Pacific Ocean
Distribution
Pacific Ocean: Christmas Island in the eastern Indian Ocean to Indonesia and the Hawaiian, Line, and Pitcairn islands, north to southern Japan, south to Rowley Shoals and New Caledonia. Replaced by Hemitaurichthys zoster in the Indian Ocean (Ref. 37816).
Range
32°N - 25°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
3 m
Depth To - meters
40 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 3 - 40 m (Ref. 9710)
Trophic Level
3.08 s.e. 0.22 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
18.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Aquarium: commercial
Vulnerability
Low vulnerability (14 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)