Dotted butterflyfish (Chaetodon semeion) fish species and information / pictures of Dotted butterflyfish - Chaetodon semeion

Dotted butterflyfish (Chaetodon semeion) fish species information

Scientific Name
Chaetodon semeion

Common Name
Dotted butterflyfish

Biology
Dorsal spines (total): 13 - 14; Dorsal soft rays (total): 23-26; Anal spines: 3; Anal soft rays: 19 - 22. The abdominal region of females is noticeably thick set. Body is golden yellow; base of the posterior portions of the dorsal and anal fins black; a prominent vertical black bar running across the eye; diagonal rows of black dots on the sides. A filament originating from the soft portions of the dorsal fin rays trails posteriorly.

Classification

Classified By
Bleeker, 1855
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Butterflyfishes (Chaetodontidae)

Distribution

Region
Indo-Pacific
Distribution
Indo-Pacific: Maldives to the Tuamoto Islands, north to Ryukyu Islands, south to the Great Barrier Reef.
Range
30°N - 25°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
2 m
Depth To - meters
30 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 2 - 30 m (Ref. 30874)
Trophic Level
2.73 s.e. 0.25 Based on food items.
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
26.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 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)