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Blue humphead parrotfish (Chlorurus cyanescens) fish species and information / pictures of Blue humphead parrotfish - Chlorurus cyanescens

Blue humphead parrotfish (Chlorurus cyanescens) fish species information

Scientific Name
Chlorurus cyanescens

Common Name
Blue humphead parrotfish

Biology
Found around deep rocky reefs up to a depth of at least 30 m (Ref. 9710). Solitary or in small groups (Ref. 9710). Also caught with nets and other kinds of artisanal gear. Mainly sold fresh.

Classification

Classified By

Valenciennes, 1840

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Parrotfishes (Scaridae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: known only from Natal (South Africa), Zanzibar (Tanzania), Madagascar, and Mauritius, but probably more widespread.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

5 m

Depth To - meters

Unknown m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 5 - ? m (Ref. 9710)

Trophic Level

2 s.e. 0.10 Based on size and trophs of closest relatives

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

50.0 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: commercial; aquarium: commercial

Vulnerability

Low to moderate vulnerability (34 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)