Square-spot fairy basslet (Pseudanthias pleurotaenia) fish species and information / pictures of Square-spot fairy basslet - Pseudanthias pleurotaenia

Square-spot fairy basslet (Pseudanthias pleurotaenia) fish species information

Scientific Name
Pseudanthias pleurotaenia

Common Name
Square-spot fairy basslet

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 16-18; Anal spines: 3; Anal soft rays: 6 - 7. Highly variable in color and also in the size of the pale blotch (looks blue in natural light). Latter varied from being totally absent to an area almost half the body size, especially when showing nuptial colors. At the Rowley Shoals, off the north-western Australian coast, it only shows the blotch when nuptial (Ref. 48635).

Classification

Classified By

Bleeker, 1857

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Sea basses: groupers and fairy basslets (Serranidae)

Distribution

Region

Pacific Ocean

Distribution

Pacific Ocean: Indonesia to Samoa, north to Ryukyu Islands, south to Rowley Shoals in the eastern Indian Ocean and New Caledonia.

Range

30°N - 23°S

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

27 °C

Depth From - meters

10 m

Depth To - meters

180 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 10 - 180 m (Ref. 9710), usually 25 - 180 m (Ref. 9710)

Trophic Level

3.4 s.e. 0.45 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

False

Physical Size and Genetics

Maximum Length

20.0 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

Unknown

Vulnerability

Low vulnerability (25 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)