Scientific Name
Apogon bryx

Common Name
Offshore cardinalfish

Biology
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8; Vertebrae: 24. This species is distinguished by 6 spines in first dorsal fin; 3 dark stripes on the upper half of head and body, the broadest and midlateral, reaching end of caudal fin, 2 narrow stripes reaching to base of second dorsal fin, the lower stripe reaching caudal fin base; no dark stripes in second dorsal or anal fins; gill rakers and rudiments 23-26; pectoral rays 14-15; blackish stomach and intestine, peritoneum silvery with many melanophores (Ref. 58479).

Classification

Classified By

Fraser, 1998

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cardinalfishes (Apogonidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: continental shelves of the Red Sea, Indian Ocean, Australia and the Philippines.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

14 m

Depth To - meters

155 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 14 - 155 m (Ref. 37393)

Trophic Level

3.36 s.e. 0.45 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

5.2 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