Pearlycheek cardinalfish (Apogonichthyoides opercularis) fish species and information / pictures of Pearlycheek cardinalfish - Apogonichthyoides opercularis

Pearlycheek cardinalfish (Apogonichthyoides opercularis) fish species information

Scientific Name
Apogonichthyoides opercularis

Common Name
Pearlycheek cardinalfish

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 10-11; Anal spines: 2; Anal soft rays: 9; Vertebrae: 24. This species is distinguished by the following characters: blackish-tipped first-dorsal fin; brownish bars on body absent, faint darker basicaudal mark in adults; a darkish mid-postocular mark just posterior of preopercular edge; 16 pectoral-fin rays without small darkish spot above axil; 10 soft dorsal-fin rays; 9 soft anal fin rays (Ref. 83499).

Classification

Classified By

Macleay, 1878

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cardinalfishes (Apogonidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: endemic to northern Australia.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

reef-associated

Environment

Marine; reef-associated

Trophic Level

3.45 s.e. 0.47 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

False

Physical Size and Genetics

Maximum Length

7.0 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 (10 of 100)

Resilience

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

Threat To Humans

  Harmless

IUCN Red List Status

  Not Evaluated